02 gmc envoy heated seats
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=67674
Printed Date: June 27, 2025 at 6:48 PM
Topic: 02 gmc envoy heated seats
Posted By: anickle
Subject: 02 gmc envoy heated seats
Date Posted: December 04, 2005 at 11:47 PM
Just curious if anyone had done heated seat controls on one of these. The switch is in pass dor and drivers door, they turn off with the vehicle and you need to hit the button to activate them. I didn't install the r/s although i belive it is a compustar 1wams???maybe... Anyways if anyonbe has any thoughts on this let me know. Thanks a lot
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andrew nickle
Replies:
Posted By: tragik
Date Posted: December 05, 2005 at 12:11 AM
I have done quite a few of these, and the best way I have found to turn the seats on is to run 2 wires into each door. You have to open the seat controlls and solder onto the switch contacts on the circuit board. Put the other side of the wires on pins 87 and 30 of a relay and trigger it closed with any availible output you have.
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Northstart.....or start it your damn self.
Posted By: kgerry
Date Posted: December 05, 2005 at 10:59 AM
the 457G will turn them on automatically if temp below 0 C... also, does Passlock bypass and arm, disarm, lock, unlock
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Kevin Gerry
Certified Electronics Technician
MECP First Class Installer
Owner/Installer
Classic Car Audio
since 1979
Posted By: tragik
Date Posted: December 05, 2005 at 3:06 PM
I dont think the heated seats can be controlled thru the data buss on anything before 2003. I could be wrong.
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Northstart.....or start it your damn self.
Posted By: kgerry
Date Posted: December 05, 2005 at 3:23 PM
02-up Envoy, TB and Bravada can.... ------------- Kevin Gerry
Certified Electronics Technician
MECP First Class Installer
Owner/Installer
Classic Car Audio
since 1979
Posted By: wiretapper
Date Posted: December 05, 2005 at 9:16 PM
tragik wrote:
I dont think the heated seats can be controlled thru the data buss on anything before 2003. I could be wrong.
This only applies to the truck platform. Tahoe, Suburban, pickups, etc. TB, Envoy and Bravada all work from '02 up
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