Reverse lamp wires: where are they?
Thread Starter
Le Mans Master
Joined: Nov 2001
Posts: 6,905
Likes: 205
From: Kern County CA
Reverse lamp wires: where are they?
Are they in either of these photos? Cubby in pix is driver side. I looked under the rear valance and saw the wires coming from the light bulb, but couldn't see where they enter the hatch. I need to tap into them for my rear view camera install. Thanks,
Tech Contributor
Joined: May 2003
Posts: 7,035
Likes: 134
From: North Augusta, SC
Thread Starter
Le Mans Master
Joined: Nov 2001
Posts: 6,905
Likes: 205
From: Kern County CA
Thanks Mark,
I ended up removing the tail lights, saw a bunch of different wires taped together, I had to remove the wrapping tape, separated them one by one, and narrowed down to the 2 wires that run to the reverse lights. Hopefully I spliced into the correct wires!
I ended up removing the tail lights, saw a bunch of different wires taped together, I had to remove the wrapping tape, separated them one by one, and narrowed down to the 2 wires that run to the reverse lights. Hopefully I spliced into the correct wires!
Melting Slicks
Joined: Sep 2009
Posts: 2,028
Likes: 357
There is a wire coming out of the BCM in the pass footwell that you can tap into for the reverse turn-on signal for the HU. If your looking for power for the cam, the reverse light + in the back is best (unless you have to run the cam wiring to the fromt anyway). I tapped into the BCM reverse turn on signal and wired a switch with a diode so that I could turn on the reverse cam at will (it still comes on when in reverse as well). 
Thread Starter
Le Mans Master
Joined: Nov 2001
Posts: 6,905
Likes: 205
From: Kern County CA
There is a wire coming out of the BCM in the pass footwell that you can tap into for the reverse turn-on signal for the HU. If your looking for power for the cam, the reverse light + in the back is best (unless you have to run the cam wiring to the fromt anyway). I tapped into the BCM reverse turn on signal and wired a switch with a diode so that I could turn on the reverse cam at will (it still comes on when in reverse as well).
Tech Contributor
Joined: May 2003
Posts: 7,035
Likes: 134
From: North Augusta, SC
In C6 just about all exterior lights have a black wire as the ground. +12v to reverse lights should be light green.
If you ever want to look at reverse camera while driving forward you need to power it from switched wire that fires up radio, then just use reverse signal as trigger to HU.
If you ever want to look at reverse camera while driving forward you need to power it from switched wire that fires up radio, then just use reverse signal as trigger to HU.
Melting Slicks
Joined: Sep 2009
Posts: 2,028
Likes: 357
I used the light green wire to power the camera and activate HU, then I added a switch to turn on reverse cam at will. When I used the switch to turn on reverse cam and activate HU, my reverse lights would also come on. I solved the issue with a diode so the BCM would not "see" the power going to the camera and not turn on the reverse lights (reverse gear still works normally at the HU and reverse lights).
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6th Gear
Joined: Mar 2010
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There is a wire coming out of the BCM in the pass footwell that you can tap into for the reverse turn-on signal for the HU. If your looking for power for the cam, the reverse light + in the back is best (unless you have to run the cam wiring to the fromt anyway). I tapped into the BCM reverse turn on signal and wired a switch with a diode so that I could turn on the reverse cam at will (it still comes on when in reverse as well).
Thanks
Jeff
Tech Contributor
Joined: May 2003
Posts: 7,035
Likes: 134
From: North Augusta, SC
Post #2 of this thread or drill a small hole in the rear wall and run a wire to the reverse lights.
