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Old 10-21-2012, 03:21 PM   #1
808bahn
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P3 Vent Gauge Auto-Dimming wire

Hey guys,

For those who have installed the P3 gauge, where did you tap the green wire to for the Auto-Dimming function to work? I searched and read that you can do it on Pin#10 of the light switch, but how do you connect it to that? Do you just splice it to the Pin#10 wire? Are there any other place you can connect it to? TIA.
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Old 10-21-2012, 06:03 PM   #2
Modshack
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Originally Posted by 808bahn View Post
Hey guys,

For those who have installed the P3 gauge, where did you tap the green wire to for the Auto-Dimming function to work? I searched and read that you can do it on Pin#10 of the light switch, but how do you connect it to that? Do you just splice it to the Pin#10 wire? Are there any other place you can connect it to? TIA.

Looks like Pin 10 is the one per the AWE instructions:

For Dimmer Knob Controlled Gauge Backlighting:
Switched 12V: Red gauge wire to the Black/Purple headlight
switch wire at position 4.
Dimmer Control: Green gauge wire to gray headlight switch
wire at position 10
.
Constant 12V: White gauge wire to the Red/White headlight
switch wire at position 8.
Ground: Black gauge wire to the Brown headlight switch wire

PDF here: http://www.awe-tuning.com/media/pdf/...boostgauge.pdf

I'd use the Posilock connectors as supplied with this set-up. Easy to use, compact, no stripping or hassles.. Get em here: http://www.easternbeaver.com/Main/El...posi-lock.html

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Old 10-21-2012, 06:11 PM   #3
808bahn
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Thanks Steve! Much appreciated.
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Old 10-21-2012, 06:16 PM   #4
Modshack
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Thanks Steve! Much appreciated.
No problem!
I've always been one to cut, spice and solder, but I have to say, the posilocks are trick...Especially on the fine wires used in the switch. Good luck!...
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Old 10-21-2012, 06:22 PM   #5
SkullV
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Yep, just used the gray wire for the dimmer on my Tiguan too. Seems like VW kept with the color scheme.
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Old 10-21-2012, 07:17 PM   #6
808bahn
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Great! Thanks.

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Originally Posted by SkullV View Post
Yep, just used the gray wire for the dimmer on my Tiguan too. Seems like VW kept with the color scheme.
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Old 09-13-2017, 07:26 AM   #7
Jonnyboi
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Bringing this back from the dead. I tapped my green wire into the grey #10 wire coming from my headlight switch but it still doesn't dim when I turn on my Headlights. Is there a config setting or something I have to enable for it to work?
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Old 09-13-2017, 09:43 AM   #8
drval85
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Yep. I think there's a setting you need to change to "auto." Check the p3 manual.
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