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  1. #1
    Veteran Member Four Rings AudiA4_20T's Avatar
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    The 1.8T Wiring Harness Explained

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    Hey guys, thought I’d document this for people always trying to figure this stuff out. This should also help for my 2.7T swap. This is for a 2002 harness and I am missing a few connectors like SAI and MAF.





    MAP Sensor
    Connector: Black (4 pin)
    1: Black
    2: Empty
    3: White with black stripe
    4: Grey with blue stripe

    Oil Level
    Connector: Black (3 pin)
    1: Black with red stripe
    2: Brown
    3: Red with green stripe

    Thermostat (possibly wrong)
    Connector: Black (2 pin)
    1: Brown
    2: Blue with brown stripe

    Lower Coolant Temp Sensor
    Connector: Black (2 pin)
    1: Yellow with black stripe
    2: Blue with black stripe

    Throttle Body
    Connector: Black (6 pin)
    1: Purple with red stripe
    2: Green with purple stripe
    3: Red with purple stripe
    4: Purple with red stripe
    5: Brown with purple stripe
    6: Grey with brown stripe

    A/C Compressor (possibly wrong)
    Connector: Black (2 pin)
    1: Blue
    2: Blue

    IAT
    Connector: Black (2 pin)
    1: Black with red stripe
    2: Black

    Alternator (possibly wrong)
    Connector: Black (2 pin)
    1: Green with blue stripe
    2: White with green stripe

    N112
    Connector: Brown (2 pin)
    1: Green with yellow stripe
    2: Brown with black stripe

    N249
    Connector: Black (2 pin)
    1: Green with yellow stripe
    2: Yellow with green stripe

    Wideband 02
    Connector: Black (6 pin)
    1: White
    2: Black with white stripe
    3: Green with yellow stripe
    4: Red with white stripe
    5: Brown
    6: Grey with green stripe

    Rear 02 Sensor
    Connector: Brown (4 pin)
    1: Green with yellow stripe
    2: White with grey stripe
    3: Purple
    4: Red

    Crank Position
    Connector: Grey (3 pin)
    1: Black
    2: Blue
    3: Grey

    Knock Sensor (Rear)
    Connector: Blue (3 pin)
    1: Yellow
    2: Green
    3: Black

    Knock Sensor (Front)
    Connector: Green (3 pin)
    1: White
    2: Brown
    3: Black

    ???
    Connector: Black (3 pin)
    1: Blue with yellow stripe
    2: Empty
    3: Brown with yellow stripe

    Oil Pressure
    Connector: Black (1 pin)
    1: Yellow

    Speed Sensor (Trans)
    Connector: Black (3 pin)
    1: Empty
    2: Brown
    3: Brown with red stripe

    Other Trans Sensor (??)
    Connector: Black (5 pin)
    1: Empty
    2: Blue with red stripe
    3: Black with blue stripe
    4: Empty
    5: Empty

    ????
    Connector: Black (1 pin)
    1: Red with black stripe

    VVT Tensioner
    Connector: Black (2 pin)
    1: Green with blue stripe
    2: Yellow with grey stripe

    Coolant Temp (Top)
    Connector: Black (4 pin)
    1: Blue with brown stripe
    2: Brown with yellow stripe
    3: Black
    4: Brown with grey stripe

    Cam Position Sensor
    Connector: Black (3 pin)
    1: White with black stripe
    2: Green with grey stripe
    3: Black

    Injector 1 (Front)
    Connector: Black (2 pin)
    1: Red with blue stripe
    2: Black with green stripe

    Injector 2
    Connector: Black (2 pin)
    1: Red with blue stripe
    2: Brown with blue stripe

    Injector 3
    Connector: Black (2 pin)
    1: Red with blue stripe
    2: Grey with green stripe

    Injector 4
    Connector: Black (2 pin)
    1: Red with blue stripe
    2: Grey with purple stripe

    N75
    Connector: Black (2 pin)
    1: Black with purple stripe
    2: Yellow with white stripe

    EVAP
    Connector: Black (2 pin)
    1: Green with yellow stripe
    2: Purple

    Coilpack 4 (Rear)
    Connector: Black (4 pin)
    1: Red with green stripe
    2: Brown
    3: Brown with black stripe
    4: Brown with yellow stripe

    Coilpack 3
    Connector: Black (4 pin)
    1: Red with green stripe
    2: Brown
    3: Grey with black stripe
    4: Brown with yellow stripe

    Coilpack 2
    Connector: Black (4 pin)
    1: Red with green stripe
    2: Brown
    3: Grey with brown
    4: Brown with yellow stripe

    Coilpack 1 (Front)
    Connector: Black (4 pin)
    1: Red with green stripe
    2: Brown
    3: Grey
    4: Brown with yellow stripe

    Coilpack Grounds: Brown with yellow stripe

    ************************************************** **************************************



    2000 Audi S4 Body Harness Plugs:

    - T10, Brown, 10 pin
    1. green/red - K-line diag wire into ECU pin 43
    2. green/brown - to pin 47 on ECU from ?
    3. white/blue - vehicle speed signal to pin 54 on ECU
    4. red/black - from park/neutral position relay to ignition/starter switch
    5. black/blue - to pin 3 on back-up light switch
    6. unused
    7. unused
    8. black/red - to pin 1 on oil level thermal sensor
    9. red/grey - to pin 3 on oil level thermal sensor
    10. yellow - to pin 81 on ECU from ?

    - T10m, Black, 10 pin
    1. blue - goes to the voltage regulator (D+/61)/generator
    2. green/blue - rpm signal to pin 37 on ECU
    3. white/grey - from cluster to oil pressure switch
    4. red - from positive wire 30 to ECU pin 62
    5. brown/yellow, pin 3 on engine coolant temp sensor
    6. unused
    7. blue/green - from cluster to pin 1 on Engine Coolant Level Warning Switch
    8. red/blue - power pin 15 to fuel pump relay and then ECU
    9. blue/brown - from cluster to ground connection 2?
    10. brown/red - from cluster to to pin 2 on speedometer vehicle speed sensor (VSS)

    - T10ar, Orange, 10 pin
    1. red/green - from 20A fuse in fuse holder to power output stage pin 1 connector T5d
    2. red/brown - to pin 48 on ECU from ?
    3.
    4. unused
    5. black/blue - pin 1 on injector 1 to 20amp fuse in fuse holder
    6. white/yellow - to pin 1 on leak detection pump
    7. yellow/red - to pin 2 on leak detection pump
    8. green/yellow - to 15A fuse in fuse holder
    9.
    10. blue/lilac - engine overhead warning light

    - T15m, Red, 15 pin
    1. green/brown - From ABS control module to ECU pin 74
    2. unused (only for FWD)
    3. black/green - A/C control head to ECU pin 41
    4.
    5. black/lilac - to pin 30 on ECU from ?
    6.
    7.
    8.
    9.
    10.
    11.
    12.
    13.
    14. orange/brown - connection (low-bus)
    15. orange/black - connection (high-bus)

    - T15, White, 15 pin
    1. yellow/blue - to pin 1 (4 on 2001) on throttle body
    2. yellow/lilac - to pin 2 on throttle body
    3. brown/red - to pin 3 on throttle body
    4. green/yellow - to pin 4 (5 on 2001) on throttle body
    5. green - to pin 5 (1 on 2001) on throttle body
    6. brown/green - to pin 6 on throttle body
    7. red/grey - to pin 1 on connector T6y
    8. blue - to pin 2 on connector T6y
    9. red/yellow - to pin 3 on connector T6y
    10. black/white - to pin 6 on connector T6y
    11. red/black - to pin 2 on brake light switch
    12. white/red - to pin 4 on brake light switch
    13. red/green - to pin 1 on clutch vacuum vent valve switch
    14.
    15.

    ************************************************** ********************************



    2003 B6 A4 1.8T harness

    T10, Black, 10 pin
    1. blue - generator
    2. unused
    3. white/grey - Oil pressure switch
    4. unused
    5. red/green - from pin 121 on ECU to ?
    6. brown/yellow - pin 3 from engine coolant level warning light
    7. blue/yellow - Engine coolant level warning switch
    8. unused
    9. blue/brown - Engine coolant temp sensor
    10. brown/red - Speedometer vehicle speed sensor pin 2 (unused in 03)

    T10a, Brown, 10 pin
    1. red/blue - from injector harness to... ?
    2. black/red - Oil level thermal sensor pin 1
    3. unused
    4. red/black - Ignition/starter switch to ground
    5. black/blue - Back up light switch pin 3
    6. green/red - control module with indicator unit in instrument panel insert
    7. unused
    8. green/yellow - connector for fuse 234, connects MAF, N112, N80, N249
    9. red/grey - Oil level thermal sensor pin 3 (red/green for 03)
    10. unused

    T17e, White, 17 pin
    1. brown/green - to pin 1 on throttle body
    2. yellow/lilac - to pin 2 on throttle body
    3. brown/red - to pin 3 on throttle body
    4. yellow/blue - to pin 4 on throttle body
    5. grey/yellow - to pin 5 on Throttle Body
    6. brown - to pin 6 on throttle body
    7. unused
    8. unused
    9. unused
    10. blue/green - from pin 38 ECU to steering column electronics module
    11. red/black - to pin 4 on brake light switch from ECU
    12. white/red - to pin 2 on brake light switch from ECU
    13. red/green - to pin 2 clutch vacuum vent valve switch
    14. grey/white - from pin 1 on locking relay for starter (clutch pedal switch) to pin 2 on clutch vent vacuum valve switch
    15. black/lilac - from ? to ECU
    16. red/grey - from power supply relay to fuse S229 (20A)
    17. unused

    T17d, Red, 17 pin
    1. white/yellow - pin 1 leak detection pump to ECU
    2. grey/red - pin 2 leak detection pump to ECU
    3. unused
    4. unused
    5. blue/brown - ? (03)
    6. lilac/blue - to airbag control module from pin 67 ECU
    7. unused
    8. unused
    9. unused
    10. red/blue - to pin 5 on fuel pump relay
    11. red/white - to ECU pin 24 to coolant fan control module
    12. unused
    13. orange/brown - Wire connection (low-bus)
    14. orange/black - Wire connection (high-bus)
    15. blue/red - reverse lamp connector
    16. unused
    17. unused

    ************************************************** ************************************************

    2004 B6 S4 4.2 harness

    T10, Black, 10 pin
    1. blue – generator ???
    2.
    3. white/green – from instrument panel to F1 (oil pressure switch)
    4.
    5.
    6. brown/yellow – from pin 3 on F66 (Engine Coolant Level Warning Switch) to ground 269
    7. blue/yellow – from J285 (dash) to pin 1 on F66 (Engine Coolant Level Warning Switch)
    8.
    9. blue/brown – from J285 (dash) to pin 1 on G2 (Engine Coolant Temperature Sensor)
    10.

    T10a, Brown, 10 pin
    1. red/blue – from 25 to D95 ground for injector 1-6 ???
    2. black/red – from 21 to pin 1 on G266 (Oil Level Thermal Sensor) ???
    3.
    4. red/black - to the 50 pin on the starter
    5. black/blue – from connector A70 to F4 (Back-up light switch)
    6. for auto cars
    7.
    8. green/yellow – from 26 to D22 ground
    9. red/green – from instrument panel to pin 3 on G266 (Oil Level Thermal Sensor)
    10.

    T17e, White, 17 pin
    1. brown/green – from throttle body pin 1 to ECU pin 72
    2. yellow/lilac - from throttle body pin 2 to ECU pin 73
    3. brown/red - from throttle body pin 3 to ECU pin 36
    4. yellow/blue - from throttle body pin 4 to ECU pin 35
    5. green/yellow - from throttle body pin 5 to ECU pin 33
    6. brown - from throttle body pin 6 to ECU pin 34
    7.
    8.
    9.
    10. blue/green – from dash to ECU
    11. red/black – pin 4 on brake light switch to ECU pin 56
    12. white/red – pin 2 on brake light switch to ECU pin 55
    13. green/grey – pin 2 on clutch vacuum vent valve switch to ECU pin 39
    14.
    15. black/lilac – from 20 to pin 21 on ECU
    16. red/grey – from ECM power supply relay to fuse 229 (20A) to 229???
    17.

    T17d, Red, 17 pin
    1. yellow - from pin 1 on leak detection pump to ECU pin 80
    2. green/red – from pin 2 on leak detection pump to ECU pin 25
    3. red/yellow – from coolant fan control module 2 to ECU pin 104
    4.
    5.
    6. lilac/blue (possibly not there) – from fuse 234 to ECU pin 61???
    7. green/black – from pin 1 on N220 valve for exhaust flap to ECU pin 22
    8.
    9.
    10. red/blue – pin 4 on fuel pump relay to pin 65 on ECU
    11. red/white – from coolant fan control module 1 to ECU pin 66
    12.
    13. orange/brown – CanBus (low) from instrument panel to pin 58 on ECU
    14. orange/black – CanBus (high) from instrument panel to pin 60 on ECU
    15. blue/red – from J393 (Central Control Module for Comfort System) to 220???
    16.
    17.
    Last edited by AudiA4_20T; 05-21-2011 at 09:53 PM.
    - Clint

    New: 2011 B8 S4 Prestige - broken
    Current: 05 B5.5 Passat 4motion 1.8T - Jfonz Tune, 034 HFC, Samco TIP, TR18 FMIC, meth. waiting to go on: K04, H&R Coils
    totaled: 04 DG B6 Cabby 1.8T - stock forever
    Gone: White '04 S4 2.7T - Stage 2+
    Gone : Fastest B6 A4 ever - 464awhp/12.1@116
    Gone : 05 DG B7 2.0TQ - Stage 1

  2. #2
    Veteran Member Four Rings Staz's Avatar
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    i hate that youre missing the maf one !!!!!!!!!!!!!!!

    nice writeup though

  3. #3
    Veteran Member Four Rings AudiA4_20T's Avatar
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    10speed
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    lol someone will fill it in.
    - Clint

    New: 2011 B8 S4 Prestige - broken
    Current: 05 B5.5 Passat 4motion 1.8T - Jfonz Tune, 034 HFC, Samco TIP, TR18 FMIC, meth. waiting to go on: K04, H&R Coils
    totaled: 04 DG B6 Cabby 1.8T - stock forever
    Gone: White '04 S4 2.7T - Stage 2+
    Gone : Fastest B6 A4 ever - 464awhp/12.1@116
    Gone : 05 DG B7 2.0TQ - Stage 1

  4. #4
    Veteran Member Four Rings a4darkness's Avatar
    Join Date
    Dec 01 2007
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    23015
    Location
    Pasadena, CA

    I can't even. This. Seriously. Wow. Just wow.

    Really great idea.

    Thomas
    | Chronicles | Threads | IG
    // A U B A

  5. #5
    Veteran Member Four Rings alexza4's Avatar
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    Apr 23 2007
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    My Garage
    15-S5||18-X5||14-RAM1500Hemi
    Location
    Maryland

    real nice Clint! virtual rep to you man.
    2015 S5 3.0T
    2003 A4 QM EFR 6758 on meth - SOLD :((

  6. #6
    Veteran Member Four Rings AudiA4_20T's Avatar
    Join Date
    Oct 29 2005
    AZ Member #
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    My Garage
    10speed
    Location
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    It's getting better when I trace every wire around the harness down to the pin
    - Clint

    New: 2011 B8 S4 Prestige - broken
    Current: 05 B5.5 Passat 4motion 1.8T - Jfonz Tune, 034 HFC, Samco TIP, TR18 FMIC, meth. waiting to go on: K04, H&R Coils
    totaled: 04 DG B6 Cabby 1.8T - stock forever
    Gone: White '04 S4 2.7T - Stage 2+
    Gone : Fastest B6 A4 ever - 464awhp/12.1@116
    Gone : 05 DG B7 2.0TQ - Stage 1

  7. #7
    Veteran Member Four Rings Dolphin18T's Avatar
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    May 17 2007
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    18120
    Location
    Denver, CO

    You know the Bentley manual has all of this, right?

    Let me know if you need any diagrams and I'll post them up.
    -Ryan
    Maestro Tuned

    Now with slushbox-delete mod!



  8. #8
    Veteran Member Four Rings alexza4's Avatar
    Join Date
    Apr 23 2007
    AZ Member #
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    My Garage
    15-S5||18-X5||14-RAM1500Hemi
    Location
    Maryland

    are you doin this shit now? you must be bored ;)

    how are you doin with those PSS9's? still want them!
    2015 S5 3.0T
    2003 A4 QM EFR 6758 on meth - SOLD :((

  9. #9
    Veteran Member Four Rings AudiA4_20T's Avatar
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    Quote Originally Posted by Dolphin18T View Post
    You know the Bentley manual has all of this, right?

    Let me know if you need any diagrams and I'll post them up.
    I've seen the bentley though and it's rather confusing. I gotta find my disc I know its somewhere. YGPM
    - Clint

    New: 2011 B8 S4 Prestige - broken
    Current: 05 B5.5 Passat 4motion 1.8T - Jfonz Tune, 034 HFC, Samco TIP, TR18 FMIC, meth. waiting to go on: K04, H&R Coils
    totaled: 04 DG B6 Cabby 1.8T - stock forever
    Gone: White '04 S4 2.7T - Stage 2+
    Gone : Fastest B6 A4 ever - 464awhp/12.1@116
    Gone : 05 DG B7 2.0TQ - Stage 1

  10. #10
    Veteran Member Four Rings Dolphin18T's Avatar
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    Denver, CO

    Here's an example of what's in the manual. You have to practice using the guide it has leading in to the wiring diagram section to be able to read it easily, but it's worth it. My trans swap would have been a nightmare without it, or I probably would have just bypassed the starter interlock relay, which I really didn't want to do.

    -Ryan
    Maestro Tuned

    Now with slushbox-delete mod!



  11. #11
    Veteran Member Four Rings Bische's Avatar
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    2002 Big Block Avant
    Location
    Sweden, north

    great idea!
    -Bische
    Tuning related questions? Please visit my Facebook page!
    <Bische's Wagon - The thread>
    <Bische's Wintermode - The thread>

  12. #12
    Veteran Member Four Rings dougyfresh's Avatar
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    2 pedals 1FG
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    connecticut

    Quote Originally Posted by AudiA4_20T View Post
    I've seen the bentley though and it's rather confusing. I gotta find my disc I know its somewhere. YGPM
    It's not that confusing. Took me five minutes to read the diagram and figure out the clutch switch. It took Jake... well. it didn't as he couldt figure it out even after I laid out the steps and such.

    Go to Raritan Valley and take a quick electronics course in reading diagrams.

    The key information not posted yet are the pin outs for the ECU. again... in the bentley.
    -Doug
    '02 A4 Avant 2.7T 6spd

  13. #13
    Veteran Member Four Rings texasboy21's Avatar
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    Apr 01 2007
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    My Garage
    1983 Chevy Silverado
    Location
    houston texas

    Anyone know how much a new harness is?
    2005.5 A4 2.0t quattro
    Borg Warner EFR 6758
    Pag Parts rods/inlet pipe/FMIC/manifold/downpipe
    Eurodyne Maestro
    Eurodyne Boost Manager Plus
    StopTech 332mm BBK
    Stasis Touring suspension
    Misc. JHM and 034

  14. #14
    Veteran Member Four Rings AudiA4_20T's Avatar
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    Quote Originally Posted by Dolphin18T View Post
    Here's an example of what's in the manual. You have to practice using the guide it has leading in to the wiring diagram section to be able to read it easily, but it's worth it. My trans swap would have been a nightmare without it, or I probably would have just bypassed the starter interlock relay, which I really didn't want to do.

    none of that makes sense to me lol
    - Clint

    New: 2011 B8 S4 Prestige - broken
    Current: 05 B5.5 Passat 4motion 1.8T - Jfonz Tune, 034 HFC, Samco TIP, TR18 FMIC, meth. waiting to go on: K04, H&R Coils
    totaled: 04 DG B6 Cabby 1.8T - stock forever
    Gone: White '04 S4 2.7T - Stage 2+
    Gone : Fastest B6 A4 ever - 464awhp/12.1@116
    Gone : 05 DG B7 2.0TQ - Stage 1

  15. #15
    Veteran Member Four Rings Dolphin18T's Avatar
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    Denver, CO

    Quote Originally Posted by dougyfresh View Post
    It's not that confusing. Took me five minutes to read the diagram and figure out the clutch switch. It took Jake... well. it didn't as he couldt figure it out even after I laid out the steps and such.

    Go to Raritan Valley and take a quick electronics course in reading diagrams.

    The key information not posted yet are the pin outs for the ECU. again... in the bentley.
    Did you finally get both of Vince's clutch switches wired correctly? I thought you just jumped the relay.

    It would take me quite a long time to to post up the images required to pinout the entire ECU... Hah.
    -Ryan
    Maestro Tuned

    Now with slushbox-delete mod!



  16. #16
    Veteran Member Four Rings Staz's Avatar
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    could u possibly post up the diagram of the maf ? please !

  17. #17
    Veteran Member Four Rings AudiA4_20T's Avatar
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    Quote Originally Posted by Staz View Post
    could u possibly post up the diagram of the maf ? please !
    someone can yank the plug. I know its a 4 pin but idk the colors. My MAF wires are gone so idk lol
    - Clint

    New: 2011 B8 S4 Prestige - broken
    Current: 05 B5.5 Passat 4motion 1.8T - Jfonz Tune, 034 HFC, Samco TIP, TR18 FMIC, meth. waiting to go on: K04, H&R Coils
    totaled: 04 DG B6 Cabby 1.8T - stock forever
    Gone: White '04 S4 2.7T - Stage 2+
    Gone : Fastest B6 A4 ever - 464awhp/12.1@116
    Gone : 05 DG B7 2.0TQ - Stage 1

  18. #18
    Veteran Member Four Rings Staz's Avatar
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    Quote Originally Posted by AudiA4_20T View Post
    someone can yank the plug. I know its a 4 pin but idk the colors. My MAF wires are gone so idk lol
    i meant to quote dolphin18t.. i know its the 4 pin i just changed out my connector along with splicing and adding a few wires that i bought from the dealer but its still giving me low voltage on the maf (so im thinking somethings wrong with the wiring somewhere down the line of it) .. was wondering is i buy a used harness and take the maf harness from it, if i could just run it behind the engine as the other wires do and if it plus directly/ near the ecu ?

  19. #19
    Veteran Member Four Rings AudiA4_20T's Avatar
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    Quote Originally Posted by Staz View Post
    i meant to quote dolphin18t.. i know its the 4 pin i just changed out my connector along with splicing and adding a few wires that i bought from the dealer but its still giving me low voltage on the maf (so im thinking somethings wrong with the wiring somewhere down the line of it) .. was wondering is i buy a used harness and take the maf harness from it, if i could just run it behind the engine as the other wires do and if it plus directly/ near the ecu ?
    yes you could pin one in but it'd be a nightmare. It was giving you low voltage so you replaced the whole MAF harness?
    - Clint

    New: 2011 B8 S4 Prestige - broken
    Current: 05 B5.5 Passat 4motion 1.8T - Jfonz Tune, 034 HFC, Samco TIP, TR18 FMIC, meth. waiting to go on: K04, H&R Coils
    totaled: 04 DG B6 Cabby 1.8T - stock forever
    Gone: White '04 S4 2.7T - Stage 2+
    Gone : Fastest B6 A4 ever - 464awhp/12.1@116
    Gone : 05 DG B7 2.0TQ - Stage 1

  20. #20
    Veteran Member Four Rings Staz's Avatar
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    Quote Originally Posted by AudiA4_20T View Post
    yes you could pin one in but it'd be a nightmare. It was giving you low voltage so you replaced the whole MAF harness?
    heres the thread i posted on it

    the techs at the dealer said it was my connecter having issues thats why my maf would keep blowing. so i wanted to order a whole harness for the maf but they said they didnt sell them. said id have to buy 4 wires and a new connector, splice the old ones, solder the new ones in and it would solve the problem. i did research and research and couldnt find a solution for it so i ended up doing what the dealer said and bought the stuff. replaced it, and was still giving me random low voltage.

    so now im thinking im i just buy a used engine harness and take the maf harness out of it and run it behind where all the other wires are. Then just heat wrap them all since id have to take the oem wrap off to get the old maf harness out

    heres what it looked like after i installed it

  21. #21
    Veteran Member Four Rings A4SoftWalker's Avatar
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    My Garage
    Avant 03A4 1.8TQMS, 05V70R, BMW535i
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    NoCal - EBay

    Good info here. Nice to see it all laid out.

    So that whole mass plugs into the ECU/ECM.... +ve rep
    'SOFTWALKER MODS
    Do U have a Bentley/Dealer Manual & Tools to work on UR car properly?
    Hit-or-miss expecting manna to fall from AZ?
    Personal Motto>Walk Softly Carry a Big Stick. YEAH I'M BACK!
    BUILD? Click & be Amazed!
    Avant>Sedan! Click

  22. #22
    Veteran Member Four Rings AudiA4_20T's Avatar
    Join Date
    Oct 29 2005
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    adding more about the B5 S4 harness connectors
    - Clint

    New: 2011 B8 S4 Prestige - broken
    Current: 05 B5.5 Passat 4motion 1.8T - Jfonz Tune, 034 HFC, Samco TIP, TR18 FMIC, meth. waiting to go on: K04, H&R Coils
    totaled: 04 DG B6 Cabby 1.8T - stock forever
    Gone: White '04 S4 2.7T - Stage 2+
    Gone : Fastest B6 A4 ever - 464awhp/12.1@116
    Gone : 05 DG B7 2.0TQ - Stage 1

  23. #23
    Veteran Member Four Rings AudiA4_20T's Avatar
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    stuff added at the bottom of the first post
    - Clint

    New: 2011 B8 S4 Prestige - broken
    Current: 05 B5.5 Passat 4motion 1.8T - Jfonz Tune, 034 HFC, Samco TIP, TR18 FMIC, meth. waiting to go on: K04, H&R Coils
    totaled: 04 DG B6 Cabby 1.8T - stock forever
    Gone: White '04 S4 2.7T - Stage 2+
    Gone : Fastest B6 A4 ever - 464awhp/12.1@116
    Gone : 05 DG B7 2.0TQ - Stage 1

  24. #24
    Veteran Member Four Rings IVRINGS's Avatar
    Join Date
    Mar 27 2009
    AZ Member #
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    My Garage
    2007 Audi A4 Ti S-line Avant
    Location
    Audi Columbus Sales

    I hope you enjoy that package I sent you the other day. They said it should be there by Monday like I said. I'm going to finish up my timing stuff and pick a clutch this week and get things ready for wiring. I miss driving my car.
    Audi Enthusiast and Audi Columbus Brand Specialist

  25. #25
    Veteran Member Four Rings AudiA4_20T's Avatar
    Join Date
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    started adding 2002 B6 wiring to it
    - Clint

    New: 2011 B8 S4 Prestige - broken
    Current: 05 B5.5 Passat 4motion 1.8T - Jfonz Tune, 034 HFC, Samco TIP, TR18 FMIC, meth. waiting to go on: K04, H&R Coils
    totaled: 04 DG B6 Cabby 1.8T - stock forever
    Gone: White '04 S4 2.7T - Stage 2+
    Gone : Fastest B6 A4 ever - 464awhp/12.1@116
    Gone : 05 DG B7 2.0TQ - Stage 1

  26. #26
    Veteran Member Four Rings lookaught's Avatar
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    My Garage
    Aprilia SXV 550, BMW F800GS, Honda CRF450X Timbersled, Ram EcoDiesel, 1989 Bronco
    Location
    Lander, Wyoming

    Nice Clint! Thanks!

    I too find the Bentley manual annoying to read, particularly because the colors are written in German abbreviations on the diagrams which is a tad confusing (and I even speak german!).
    Jon

    go > show

    Ich liebe mein Audi

    2002 GTRS Avant - Built with love, sweat, bloody knuckles, and pride.

  27. #27
    Veteran Member Four Rings AudiA4_20T's Avatar
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    I started getting better at it but i have an actual harness coming too which should help

  28. #28
    Veteran Member Four Rings diagnosticator's Avatar
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    Seattle, WA

    Thanks for your efforts posting this valuable reference! I recommend you add this to the AZ Wiki. Included in the AZ Wiki, anyone can add to the content of this reference, a lot easier than as a single post/thread.
    Vorsprung durch Technik

  29. #29
    Veteran Member Four Rings diagnosticator's Avatar
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    The main features to understand to read the wiring diagrams, is that the top of the diagram is the +BAT, "30", and the bottom is Chassis Ground, "31". The current flows in the diagram from the top "+BAT, 30" to the bottom, "31, Chassis Ground". The numbers in the square boxes at the circuit traces, refer to the numbers along the bottom of the diagram, and indicate where the circuit trace continues in the diagram. Where a circuit trace continues, a box with the origination reference number corresponds to the destination reference number for that circuit.
    Last edited by diagnosticator; 05-07-2011 at 03:59 PM.
    Vorsprung durch Technik

  30. #30
    Veteran Member Four Rings AudiA4_20T's Avatar
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    John I'm not done yet but this will be part of the 2.7T swap DIY

  31. #31
    Veteran Member Four Rings IVRINGS's Avatar
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    My Garage
    2007 Audi A4 Ti S-line Avant
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    Audi Columbus Sales

    Quote Originally Posted by AudiA4_20T View Post
    I started getting better at it but i have an actual harness coming too which should help
    Your welcome... I hope that I'm the next one to have mine up and running. I just wished my 6-speed swap would have been done a long time ago. Looks like 5-speed for now and maybe do FT's or K04's during the 6-speed so I can get out of the FORD
    Audi Enthusiast and Audi Columbus Brand Specialist

  32. #32
    Veteran Member Four Rings AudiA4_20T's Avatar
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    well that's all I can get for now until I figure this thing out better.
    - Clint

    New: 2011 B8 S4 Prestige - broken
    Current: 05 B5.5 Passat 4motion 1.8T - Jfonz Tune, 034 HFC, Samco TIP, TR18 FMIC, meth. waiting to go on: K04, H&R Coils
    totaled: 04 DG B6 Cabby 1.8T - stock forever
    Gone: White '04 S4 2.7T - Stage 2+
    Gone : Fastest B6 A4 ever - 464awhp/12.1@116
    Gone : 05 DG B7 2.0TQ - Stage 1

  33. #33
    Veteran Member Four Rings nefkntym's Avatar
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    Jan 30 2007
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    a bunch of tools
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    Monument, CO

    Good info Clint, I am looking for pin out info for the 1.8t harness.
    2018 TTRS Nardo Grey |IROZ CC ECU/TCU Tune | Sports Exhaust | Dynamic Plus Package | Design Selection Interior | Carbon Inlays | Tech Package | Black Optic
    2018 SQ5 Prestige Azores Green | Loaded like a Baked Potato
    2018 S5 SB Navarra Blue/Magma
    2003 A4 Avant Polar White | 2.7T swapped |Tial 605.2

  34. #34
    Veteran Member Four Rings AudiA4_20T's Avatar
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    Quote Originally Posted by nefkntym View Post
    Good info Clint, I am looking for pin out info for the 1.8t harness.
    PM me with what you need I've been working on the side with it for awhile
    - Clint

    New: 2011 B8 S4 Prestige - broken
    Current: 05 B5.5 Passat 4motion 1.8T - Jfonz Tune, 034 HFC, Samco TIP, TR18 FMIC, meth. waiting to go on: K04, H&R Coils
    totaled: 04 DG B6 Cabby 1.8T - stock forever
    Gone: White '04 S4 2.7T - Stage 2+
    Gone : Fastest B6 A4 ever - 464awhp/12.1@116
    Gone : 05 DG B7 2.0TQ - Stage 1

  35. #35
    Veteran Member Three Rings daghstdrummer's Avatar
    Join Date
    Feb 09 2007
    AZ Member #
    15519
    My Garage
    2012, Honda CRV - 99 Ford E-150 Conversion van
    Location
    Astoria, N.Y.

    WOW! sticky....
    2002 A4QM 1.8t Frankenturbo Tuned by SSP... R.I.P.

    135
    ┼┼┤
    24R

  36. #36
    Veteran Member Four Rings Haenszel20v's Avatar
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    Oct 05 2008
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    B6 A4 USP - B5 VR6T Avant
    Location
    Buffalo, NY

    '90 CQ - S8 4.0t swap in progress

    B5 Avant VR6T - 10.201@143.42mph

  37. #37
    Established Member Two Rings Scubasteeve's Avatar
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    Aug 28 2009
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    My Garage
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    Location
    Mnneapolis

    That's cool.
    I are an engineer. I like make cars. i speak to english good. engineer don't need to good be talk. because race car.

  38. #38
    Veteran Member Four Rings AudiA4_20T's Avatar
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    San Francisco, CA

    Quote Originally Posted by Haenszel20v View Post
    Yea that's what I've been using. It makes sense after awhile but some of them are still very confusing
    - Clint

    New: 2011 B8 S4 Prestige - broken
    Current: 05 B5.5 Passat 4motion 1.8T - Jfonz Tune, 034 HFC, Samco TIP, TR18 FMIC, meth. waiting to go on: K04, H&R Coils
    totaled: 04 DG B6 Cabby 1.8T - stock forever
    Gone: White '04 S4 2.7T - Stage 2+
    Gone : Fastest B6 A4 ever - 464awhp/12.1@116
    Gone : 05 DG B7 2.0TQ - Stage 1

  39. #39
    Veteran Member Three Rings SpeedWorksAuto's Avatar
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    Sep 23 2008
    AZ Member #
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    My Garage
    2001 A4 TQM
    Location
    Renton, WA

    Borrowed some info and reposted it here: http://www.audizine.com/forum/showth...42#post7054042

  40. #40
    Veteran Member Four Rings CrazyCal's Avatar
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    Sep 10 2011
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    Oregon

    Excellent write-up. Definite STICKY??????
    ~Calvin
    2004 Audi A4 1.8T /// 6-Speed /// quattro /// Moro Blue Pearl
    || motoza tuned gt2871r elim || b7 thermal r&d exhaust || ns sport w/ b5 seats || v718 sunken treasure

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