2008 chevy impala

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Forum Name: Relays
Forum Discription: Relay Diagrams, SPDT Relays, SPST Relays, DPDT Relays, Latching Relays, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=120255
Printed Date: June 10, 2024 at 6:17 PM

Topic: 2008 chevy impala

Posted By: impalaguy66
Subject: 2008 chevy impala
Date Posted: February 20, 2010 at 1:38 PM

I am looking to hardwire my 12V radar detector into my 2008 Impala. I am looking for a source of switched power in the car. I am open to most any ideas, please just provide specifics to your answers. I think a relay in the ignition circut would be best I just dont have a wiring diagram to get me started.

Replies:

Posted By: impalaguy66
Date Posted: February 20, 2010 at 1:52 PM

I just wanted to add, robbing Accessory power from the RAP in the impala would also be acceptable, I just need to know how to do it.

Posted By: yimke
Date Posted: February 20, 2010 at 7:43 PM

Yes use a relay otherwise you will lock up the shifter by blowing a fuse.

86- brown ACC at ign cylinder
85- ground
30- 12v constant at the ign clylinder, i think it's RED / white
87- output to your radar detector + signal

Then ground the - end of the radar detector

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