2007 Tahoe 12v+ acc. switched

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=82512
Printed Date: May 10, 2025 at 3:05 PM

Topic: 2007 Tahoe 12v+ acc. switched

Posted By: tarjr
Subject: 2007 Tahoe 12v+ acc. switched
Date Posted: September 05, 2006 at 2:08 PM

I need to tap into 12v+ accessory (ignition switched) and ground to install a radar detector in the 07 Tahoe.

Replies:

Posted By: austincustoms
Date Posted: September 05, 2006 at 4:17 PM

If your 12v acc. plug is switched, you can tap off there, or you can go from the ignition harness. As for the negative, ground it to any body metal - under an existing bolt if you can.

Posted By: tarjr
Date Posted: September 08, 2006 at 11:52 PM

which specific wire in the ingition harness will give me 12v+ when ignition on?

I am having a hard time finding a wire to tap into.

Posted By: caraudio904
Date Posted: September 09, 2006 at 4:09 AM

12V IGN is Pink in the 2007 Tahoe

12V ACC is Brown.

If I remeber right once you pull the dash down its to the left of the dash

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Southern Stylez
Jacksonville, FL 32218

Posted By: NowYaKnow
Date Posted: September 09, 2006 at 9:50 AM

You do NOT want to tap into the ignition wiring for power in the newer style GM's. They don't have the extra current available and the car will not start correctly at times. Here is a bulletin on it:

https://www.installz.com/get.php?model=aba

I've been going to the fusebox and tapping off the RAP wiring which seems to work fine.

Mike

Posted By: tarjr
Date Posted: September 09, 2006 at 10:35 AM

Mike,

which harness/color is the RAP wire you are talking about?

Posted By: NowYaKnow
Date Posted: September 09, 2006 at 1:15 PM

I don't know about the Tahoe but I've tracked it down in the lucerne and the impala. It was a yellow or yellow/black.

Mike

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