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REMOTE STARTER

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=43354
Printed Date: July 16, 2025 at 8:22 AM


Topic: REMOTE STARTER

Posted By: phazer
Subject: REMOTE STARTER
Date Posted: November 19, 2004 at 6:46 PM

I am looking for remote starter wiring for a 2004 GMC    Sierra pickup with factory alarm .Thanks



Replies:

Posted By: draasch
Date Posted: November 19, 2004 at 8:56 PM
Make:   GMC
Model: Sierra/Fullsize P/U
Year:    2004
Alarm
Constant 12 volts RED OR RED / WHITE IGNITION SWITCH HARNESS
Ignition 12 volts PINK IGNITION SWITCH HARNESS
Starter YELLOW IGNITION SWITCH HARNESS
Dome Light DR (-) GY/BK,PAS (-) BLK/WHT AT BCM (BLUE 24 PIN CONN) *
Trunk Pin Switch   
Parking Lamp GRAY/BLACK (-) HEADLIGHT SWITCH
Power Lock GRAY IN EACH DOOR ** #205
Power Unlock TAN DUE TO MULTIPLEXING (BASE MODEL ***)

*Rear Doors:Driver-L BLUE (-), Pass-L GREEN (-) At BCM (VIOLET 24 Pin Conn); Diode Isolate Door Triggers With Stripe (Cathode) Towards OEM Wire ** Door Lock Module Available Call For Details *** Base Model Is Negative Pulse. Lock-L BLUE, Unlock-WHITE; At BCM Note #201 #201- See Negative Pulse Door Lock Circuit Diagram #205- See Reversal Rest At Nothing Door Lock Circuit Diagram

Remote Start
Tach Signal WHITE AT PCM * #238
Ignition #2 WHITE IGNITION SWITCH HARNESS
Ignition #3 ORANGE IGNITION SWITCH HARNESS
Accessory BROWN IGNITION SWITCH HARNESS
Neutral Safety WHITE (-) PCM CONN C3 PIN #13 *
Brake Light WHITE (+) AT SWITCH ABOVE BRAKE PEDAL
Reverse Light LIGHT GREEN (+) EITHER TAIL LT ASSY OR TRAILER CONN
Rear Window Defrost   


*PCM Located On The Drivers Side Of The Motor. Tach Wire Is In The BLUE Conn (C1) Closest To The Firewall,Pin #49. Also Found Back Of Cluster in 24 pin GREY Conn Pin # A12 #238- See G.M. Passlock II Bypass Diagram (Use The YELLOW And BLACK Wires)

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Good Luck
David
Ace Security
813-376-9778
Tampa
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