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aakoivu`
02-28-2016, 10:07 PM
Hey I installed a Podi Mechanical boost gauge on my 2001 b5 a4. I want to wire it so it will always be on but dimmed then bright with the headlight switch.

I can wire it so its constantly bright then dim with the headlight switch

or off then bright with the headlight switch however I can get it the way I want.

any advice? thank you

sorry if in wrong spot

mod write up below

NickSaieg
02-29-2016, 01:47 AM
I wired mine so that when the headlights are turned on so is the boost gauge light. Just tapped into one of the fuses.

Sent from my A0001 using Tapatalk

aakoivu`
02-29-2016, 11:14 AM
The Podi gauge has two light settings, one dim and one bright. I want to wire it so its dim when the car lights are off and bright when the car lights are on.

I can wire it the opposite of that but I cant figure it out. Its currently wires up the way you have it

aakoivu`
02-29-2016, 01:16 PM
if I could have a wire that is controlled by the headlight switch that has power when the dash lights are off and no power when the dash lights are on I could wire it to be always dim then bright with the dash lights on

Turbo_B5
02-29-2016, 01:59 PM
you sure it has a dim setting? Mine is just bright as frig.

aakoivu`
02-29-2016, 08:19 PM
Yeah I'm sure, if connect the purple wire it goes dim.

Email from Podi today

Hello,

You have received the latest version of our mechanical boost gauge.

You use all 3 wires to have the backlight always on when you start the car AND dimming capability. Red to switched +12v, purple to headlight switch to trigger the backlight dimming and black to ground.

You use only 2 wires, red to switched +12v and black to ground , if you want to have the backlight always on when you start the car and WITHOUT dimming capability.

You use only 2 wires, red to headlight switch and black to ground, if you want to have the backlight controlled by your headlight switch.

Purple and black combination does nothing.

To achieve the setup that you want you would have to find a way to do the following:

1) connect both red and purple wires to switched +12v. When the car is started, both wires get power and you get the dim backlight

2) when the headlights are turned on, find a way to stop power from being provided to the purple wire. **This is the tricky part as you would need figure out some way to stop power from getting to the purple wire or to ground it, a relay could be used to do this.


Regards,

Winston



Im doing research on automotive relays rn and Im going to try to wire it in so its dim with car on and bright with dash lights

skip to the 9 Min mark to learn about relays with me https://www.youtube.com/watch?v=UAeKTlieYhw

Wrath And Tears
02-29-2016, 10:14 PM
Just so you know it is supposed to be bright with the lights off, and dim with the lights on. Because if your lights are on its probably night time so the dimmer light from the gauge has less effect on your night vision. So wire it up reverse from the instructions I guess. You shouldn't have to mess with relays or anything like that, unless the instructions tell you to.

Turbo_B5
02-29-2016, 10:43 PM
I want a diming boost gauge :(

PringlesInVic
02-29-2016, 11:03 PM
Mine has the purple wire. Not hooked up though, it's bright as F at night. Plus it doesn't match the brightness of the gauges, I'm going to hook up the dimmer when I get around to it.

I wouldn't want to be dim during day and bright at night, but to each their own.

aakoivu`
03-02-2016, 08:53 PM
I finnished wiring it and got my desired effect

Lights off Boost Gauge Dim

http://i.imgur.com/HQmqEOe.jpg

Lights on Boost Gauge Bright

http://i.imgur.com/RuTcmrj.jpg

Wiring Diagram Bosch 5 Pin Relay (only use 4)



http://i.imgur.com/fedlcII.png

Headlight Wire Splice

http://i.imgur.com/SunQBBG.jpg
Grey and Blue Wire

75x Terminal

http://i.imgur.com/tDrlVpT.jpg

Ground Connections

http://i.imgur.com/lIWijSs.jpg

Relay I used
http://i.imgur.com/ePxYunT.jpg
Solder and Heatshrink

http://i.imgur.com/cyU83Em.jpg

winston@podi.ca
03-03-2016, 12:43 PM
I finnished wiring it and got my desired effect


Nice work! [wrench]

aakoivu`
03-03-2016, 01:53 PM
nice work! [wrench]

thanks dude