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HUMMER H2
MODEL YEAR(S
H2 2003-2008
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 (+) and RED/WHITE (+) @ IGNITION SWITCH HARNESS
STARTER YELLOW (+) @ IGNITION SWITCH HARNESS
STARTER 2 N/A
IGNITION 1 PINK (+) @ IGNITION SWITCH HARNESS
IGNITION 2 WHITE (+) @ 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 ( - ) GRAY/BLACK (-) @ BCM. BROWN Plug, Pin B2, See NOTE #2
PARKING LIGHTS ( + ) BROWN (+) Left and BROWN/WHITE (+) Right, will require both! See NOTE #3 in DRIVERS KICK PANEL, Harness to Rear of Vehicle, See DIAGRAM 26500_H2_DUAL PARKING LIGHT DIAGRAM.pdf
POWER LOCK LIGHT BLUE (TYPE B) @ BCM, PURPLE Plug, Pin B3, See NOTE #2
POWER UNLOCK WHITE (TYPE B) @ BCM, PURPLE Plug, Pin B2, See NOTE #2
LOCK MOTOR WIRE GRAY (5-WIRE TYPE) @ DRIVERS DOOR Module, in Drivers Door
DOOR TRIGGER See NOTE #4 See NOTE #4 17044_H2_(-) NEGATIVE DOOR PIN ISOLATION CIRCUIT.pdf
DOMELIGHT SUPERVISION GRAY/BLACK (+) @ BCM, BLACK Plug, Pin E, See NOTE #2
TRUNK RELEASE N/A
SLIDING POWER DOOR N/A
HORN BLACK/YELLOW to BLACK (-) @ HORN Switch or BCM, GRAY Plug, Pin B9, See NOTE #2
TACH WHITE (1-6Volts AC) testing voltage @ PCM, GREEN Plug, Pin 10, See NOTE #5
WAIT TO START LIGHT N/A
BRAKE WHITE (+) @ Switch above BRAKE Pedal
FACTORY ALARM DISARM LIGHT GREEN (-) in DRIVERS DOOR at DOOR Module
ANTI-THEFT GM'S PASSLOCK 2 ANTI-THEFT SYSTEM, See NOTE #1
NOTES
NOTE #1: this vehicle is equipped with GM'S PASSLOCK 2 ANTI-THEFT SYSTEM and requires

part #791 bypass module to remote start, to order go to the security bypass module

page on this website.





NOTE #2: The BCM is located behind the HEADLIGHT Switch. The BCM has 6-Plugs, with the

PURPLE Plug on the Back of the Module.





NOTE #3: This vehicle has 2 (+) Positive Parking Light wires, use both, requires 2 extra

Relays Part 775 to connect See DIAGRAM





NOTE #4: the DRIVERS DOOR is a GRAY/BLACK (-) at the DRIVERS DOOR module in the

DRIVERS DOOR. The PASSENGER DOOR is a BLACK/WHITE (-) at the PASSENGERS

DOOR module in the PASSENGERS DOOR. The DRIVERS REAR DOOR is a LIGHT

BLUE/BLACK (-) Pin A3 and the PASSENGERS REAR DOOR is a LIGHT GREEN/BLACK

(-) Pin A2, both are located at the BCM, PURPLE plug. When connecting to an ALARM

SYSTEM use all 4 wires and DIODE ISOLATE, See DIAGRAM





NOTE #5: The PCM is located under the Hood of the vehicle, on the Drivers side next to

the Battery.
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