I would like to know the wiring colors for a 2002 avalanche. Really all I need is the remote wire, but all would be nice. Any help would be much appreciated.
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Dyer
I"ll try an alternate route. Can anybody tell me the color of the switched ignition wire in a 2002 chevy? Please Help! Thanks
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Dyer
| ITEM | WIRE COLOR |POL| WIRE LOCATION |
| 12V|red |+ |ignition harness |
| STARTER|yellow |+ |ignition harness |
| IGNITION|pink |+ |ignition harness |
| SECOND IGNITION|white |+ |ignition harness |
| ACCESSORY|orange |+ |ignition harness |
| POWER LOCK|lt. blue |+ |brown plug at BCM *1 |
| POWER UNLOCK|white |+ |brown plug at BCM *1 |
| LOCK MOTOR|gray | |drivers kick panel |
| UNLOCK MOTOR|tan | |drivers kick panel |
| DISARM DEFEAT|tan/black | |passengers kick panel |
| PARKING LIGHTS +|brown | |lt. blue plug at BCM *1 |
| PARKING LIGHTS -|white | |lt. blue plug at BCM *1 |
| HEADLIGHTS|white |+ |lt. blue plug at BCM *1 |
| DOOR TRIGGER|*2 |- |BCM *1 |
|FCTRY ALRM DISARM|lt.green |- |drivers kick *4 |
| TACHOMETER|white | |ECM *3 |
| SPEED SENSE|dk.GREEN / WHITE | |ECM *3 |
| BRAKE WIRE|white |+ |brake pedal switch |
| HORN TRIGGER|black |- |brown plug at BCM *1 |
| WIPERS| | | |
| LF WINDOW UP/DN|blue - brown |A |drivers door switch |
| RF WINDOW UP/DN|blue - brown |A |passenger door switch |
| LR WINDOW UP/DN| | | |
| RR WINDOW UP/DN| | | |
Notes:
NOTE: This vehicle has the passlock II immobilizer system that, when adding a remote start, must be interfaced with. *1 The BCM is located behind the drivers side of the dash. The plugs on the BCM face towards the rear of the vehicle. The parking lights are in pin A5 and the headlights are in pin A11. *2 Use tan for the drivers door located in pin B4 of the purple plug, and for the passenger door it will be a orange in pin B2 in the purple plug or dk.blue/white in pin B11 of the lt.blue plug, must diode isolate these wires. *3 ECM is located near the battery, down low, between the fender and the fan under the black plastic cover. On the 4.8L, 5.3L, and 6.0L, the tach wire is located at pin 10 in the 'red' connector, and VSS wire is located in pin 50 of the 'red' connector. *4 Also found in the purple plug of the BCM.
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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
It will be the PINK wire in any Chevy at the ignition harness. There is not one behind the stereo.... they took it out a couple of years back.
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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Thanks for your help. Just out of curiosity.. Why did they remove it?
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Dyer
I guess they only need the OBDII data wire to control all the functions of the stereo when ignition is feed through the system. My other guess would be because they just wanted to 
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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA