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GMC FULL SIZE PICKUP (NEW BODY STYLE)
MODEL YEAR(S
FULL SIZE PICKUP (NEW BODY STYLE) 1999-2002
KEY T-HARNESS IMMOBILIZER
N/A N/A 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 #7 @ IGNITION SWITCH HARNESS
IGNITION 3 N/A
ACCESSORY/HEATER BLOWER 1 ORANGE (+) @ IGNITION SWITCH HARNESS
ACCESSORY/HEATER BLOWER 2 N/A
KEYSENSE N/A
PARKING LIGHTS ( - ) WHITE (-) @ BCM, LIGHT BLUE Plug, See NOTE #2
PARKING LIGHTS ( + ) BROWN (+) @ BCM, LIGHT BLUE Plug, See NOTE #2
POWER LOCK LIGHT BLUE (TYPE A) @ BCM, BROWN Plug, See NOTE #2
POWER UNLOCK WHITE (TYPE A) @ BCM, BROWN Plug, See NOTE #2
LOCK MOTOR WIRE GRAY (5-WIRE TYPE) IN DRIVERS DOOR HARNESS
DOOR TRIGGER See NOTE #3 @ BCM, See NOTE #2 14301_FULL-SIZE-PICKUP-(NEW-BODY-STYLE)_(-) NEGATIVE DOOR PIN ISOLATION CIRCUIT.pdf
DOMELIGHT SUPERVISION TAN (-) @ BCM, PURPLE Plug, Pin B4, See NOTE #2
TRUNK RELEASE N/A
SLIDING POWER DOOR N/A
HORN BLACK (-) @ BCM, BROWN plug, See NOTE #2
TACH WHITE (AC), See NOTE #5 @ ECM, See NOTE #4
WAIT TO START LIGHT See NOTE #6
BRAKE WHITE (+) @ SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM LIGHT GREEN (-) IN DRIVERS KICK PANEL
ANTI-THEFT YELLOW (+), ORANGE/BLACK (-) and RED/WHITE (Not used) GM's PASSLOCK 2 System, these wires exit the Ignition Switch Tumbler.
NOTES
NOTE #1: This vehicle uses GM'S PASSLOCK 2 ANTI-THEFT SYSTEM that requires a 791 Bypass

Module to Remote Start, to order go to the SECURITY BYPASS MODULES Page on this

website.







NOTE #2: The BCM (Body Control Module) is located behind the drivers side of dash. The plugs

on the BCM face the rear of the vehicle.







NOTE #3: At the BCM the DRIVER DOOR is a TAN (-) Pin B4 of the PURPLE PLUG, the

PASSENGER DOOR is a ORANGE (-) Pin B2. When connecting to an ALARM SYSTEM,

use both Door Trigger wires and DIODE ISOLATE. to connect, See DIAGRAM





NOTE #4: The ECM (Engine Control Module) is located near the battery and down low between

the fender and fan under a BLACK plastic cover. On the 4.3L engine the TACH wire in

at Pin 20 in the connector marked "RED" On the 4.8L, 5.3L and 6.0L engines, it is

located at Pin10 in the RED connector.





NOTE #5: THE DIESEL TACH wire is also a WHITE (AC) but at the Instrument Cluster.







NOTE #6: when hooking up a remote starter, if you cannot get the (+) or (-) Wait to Start wire

on the Remote Starter to work properly, you will then need to disconnect this wire and

Program the Remote Starter for the 5, 10, 15 or 20 Second Wait to Start Timmer in

the Installation manual.





NOTE #7: IMPORTANT !!!!! this wire MUST BE CONNECTED as IGNITION #2 for

REMOTE STARTING!!!!!!
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EXTRA INFORMATION