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  1. #1
    Established Member Two Rings Leon 20VT4's Avatar
    Join Date
    Sep 03 2012
    AZ Member #
    99818
    Location
    Norway

    Fog lights not working

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    Hey.

    I have installed HID's in the front fogligts. They stopped working one day. They get no voltage, fuses are good. The LED in the fog light switch does not turn on when i push it.
    Any ideas where the problem lies?
    2011 S5, REVO Stage 1+, S-tronic tune, exhaust + intake.
    1999 S4, Frankenturbo F21, 440cc Green Giants, RS4 MAF, Bosch 044, VAST Stage 4 clutch, H&R coilovers, MTM Downpipes & cat-back, Wagner intercoolers, Forge DV's, JHM Short Shift Trio, 034 CAI, EBC Red Stuff, 2.0TFSI coils, Stern, Apikol, 034 rear arb

  2. #2
    Senior Member Two Rings mchappy72's Avatar
    Join Date
    Feb 29 2012
    AZ Member #
    89060
    Location
    columbia, SC

    Quote Originally Posted by Leon 20VT4 View Post
    Hey.

    I have installed HID's in the front fogligts. They stopped working one day. They get no voltage, fuses are good. The LED in the fog light switch does not turn on when i push it.
    Any ideas where the problem lies?
    Ever figure this out?

  3. #3
    Established Member Two Rings mrbillydee's Avatar
    Join Date
    Jun 01 2014
    AZ Member #
    246951
    Location
    NC

    I don't know if he did or not, but if there's voltage at the fuse, fuse is good, and no voltage at the assembly... Looks to me like it has to be the wiring. Either a bad pos or a bad ground.

  4. #4
    Established Member Two Rings Leon 20VT4's Avatar
    Join Date
    Sep 03 2012
    AZ Member #
    99818
    Location
    Norway

    Haven't figured this out yet. But i have ordered a new fog relay (control module). Will report back after i try the new one
    2011 S5, REVO Stage 1+, S-tronic tune, exhaust + intake.
    1999 S4, Frankenturbo F21, 440cc Green Giants, RS4 MAF, Bosch 044, VAST Stage 4 clutch, H&R coilovers, MTM Downpipes & cat-back, Wagner intercoolers, Forge DV's, JHM Short Shift Trio, 034 CAI, EBC Red Stuff, 2.0TFSI coils, Stern, Apikol, 034 rear arb

  5. #5
    Active Member One Ring nmercer485's Avatar
    Join Date
    May 15 2014
    AZ Member #
    225829
    My Garage
    01 Chevy Express motovan :)
    Location
    Denver

    Did the relay fix it?

  6. #6
    Established Member Two Rings Leon 20VT4's Avatar
    Join Date
    Sep 03 2012
    AZ Member #
    99818
    Location
    Norway

    Quote Originally Posted by nmercer485 View Post
    Did the relay fix it?
    Yes it did :)

    Jeg remember that there are a facelift and a non-facelift relay box/fog module. 397 and 600
    2011 S5, REVO Stage 1+, S-tronic tune, exhaust + intake.
    1999 S4, Frankenturbo F21, 440cc Green Giants, RS4 MAF, Bosch 044, VAST Stage 4 clutch, H&R coilovers, MTM Downpipes & cat-back, Wagner intercoolers, Forge DV's, JHM Short Shift Trio, 034 CAI, EBC Red Stuff, 2.0TFSI coils, Stern, Apikol, 034 rear arb

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