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CHEVROLET AVALANCHE
MODEL YEAR(S
AVALANCHE 2002
KEY T-HARNESS IMMOBILIZER
N/A N/A Equipped with GM's PASSLOCK 2 ANTI-THEFT SYSTEM, See NOTE #1
PART COLOR LOCATION DIAGRAM
12 VOLT CONSTANT RED (+) @ IGNITION SWITCH HARNESS
STARTER YELLOW (+) @ IGNITION SWITCH HARNESS
STARTER 2 N/A
IGNITION 1 PINK (+) @ IGNITION SWITCH HARNESS
IGNITION 2 WHITE (+), SEE NOTE #2 @ IGNITION SWITCH HARNESS
IGNITION 3 N/A
ACCESSORY/HEATER BLOWER 1 ORANGE (+) @ IGNITION SWITCH HARNESS
ACCESSORY/HEATER BLOWER 2 BROWN (+) @ IGNITION SWITCH HARNESS
KEYSENSE N/A
PARKING LIGHTS ( - ) WHITE (-) @ BCM, LT. BLUE PLUG, PIN A5, SEE NOTE #3
PARKING LIGHTS ( + ) BROWN (+) @ BCM, LT. BLUE PLUG, PIN B6, SEE NOTE #3
POWER LOCK LT. BLUE (+) (TYPE A) @ BCM, BROWN PLUG, PIN A4, SEE NOTE #3
POWER UNLOCK WHITE (+) (TYPE A) BROWN PLUG, PIN A3, SEE NOTE #3
LOCK MOTOR WIRE GRAY (5-WIRE TYPE) in DRIVERS KICK at DOOR HARNESS
DOOR TRIGGER SEE NOTE #4 @ BCM, SEE NOTE #3
DOMELIGHT SUPERVISION Use DRIVERS DOOR TRIGGER wire
TRUNK RELEASE N/A
SLIDING POWER DOOR N/A
HORN BLACK (-) @ BCM, BROWN PLUG, PIN A9, SEE NOTE #3
TACH WHITE (AC) @ ECM, SEE NOTE #5
WAIT TO START LIGHT N/A
BRAKE WHITE (+) @ BRAKE PEDAL SWITCH
FACTORY ALARM DISARM LT. GREEN (-) @ BCM, PURPLE PLUG, PIN B3, SEE NOTE #3
ANTI-THEFT PASSLOCK 2 ANTI-THEFT, YELLOW (+) and ORG/BLK (-) @ IGNITION SWITCH TUMBLER
NOTES
NOTE #1: This Vehicle is Equipped with GM'S PASSLOCK 2 ANTI-THEFT System that will require a

Anti-theft Bypass module Part #791, to order this part go to the SECURITY BYPASS

MODULE Page on this website, SPECIAL NOTE the 791 Bypass is Built in on the RS-82B

REMOTE STARTER.





NOTE #2: The IGNITION #2 wire WHITE must be connected to prevent a CHECK ENGINE LIGHT

from turning "ON" and to prevent DAMAGE to the TRANSMISSION on this Vehicle.





NOTE #3: The BCM is located behind the DRIVERS side of the DASH, with the PLUGS Facing

towards the REAR of the Vehicle.





NOTE #4: The DRIVERS DOOR Trigger is a TAN (-), PURPLE Plug, Pin B4, the PASSENGER

DOOR Trigger is a BLUE/WHITE (-), LT.BLUE Plug, Pin B11, both wires are at the BCM

when Installing an alarm use both wires and Diode Isolate.





NOTE #5 The ECM is located NEAR the Battery, low, between the fender and the fan, under a

BLACK PLASTIC Cover, on the 4.3L engine the tach wire is @ Pin 20, in the connector

labled RED. On the 4.8L, 5.3L and 6.0L engines, the tach wire is @ Pin 10 of the RED

Connector.





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