PRINT
HUMMER H3
MODEL YEAR(S
H3 2006-2008
KEY T-HARNESS IMMOBILIZER
N/A N/A Requires INTERFACE BYPASS MODULE Part # DB-ALL, See Note #1
PART COLOR LOCATION DIAGRAM
12 VOLT CONSTANT ORANGE (+) BLACK PLUG , PIN A7 @ BCM, See NOTE #3
STARTER See NOTE #1
STARTER 2 N/A
IGNITION 1 WHITE/GREEN to DARK BLUE (+) @ IGNITION SWITCH HARNESS, or BCM, GRAY Plug, Pin B8, See NOTE #3
IGNITION 2 N/A
IGNITION 3 N/A
ACCESSORY/HEATER BLOWER 1 WHITE/RED to BROWN (+) @ IGNITION SWITCH HARNESS, or BCM, GRAY Plug, Pin B7, See NOTE #3
ACCESSORY/HEATER BLOWER 2 N/A
KEYSENSE N/A
PARKING LIGHTS ( - ) BROWN/WHITE (-) @ HEADLIGHT Switch or BCM, GRAY Plug, Pin A7, See NOTE #3
PARKING LIGHTS ( + ) BROWN (+) in DRIVERS KICK PANEL or BCM, BLACK Plug, Pin A48, See NOTE #3
POWER LOCK LIGHT BLUE (TYPE B) in EITHER KICK PANEL, @ DOOR HARNESS
POWER UNLOCK DARK BLUE (TYPE B) in EITHER KICK PANEL, @ DOOR HARNESS
LOCK MOTOR WIRE GRAY (5-WIRE TYPE) @ DOOR LOCK Switch in Drivers Door
DOOR TRIGGER See NOTE #4 @ BCM, BLACK Plug, See NOTE #3 26500_H3_(-) NEGATIVE DOOR PIN ISOLATION CIRCUIT.pdf
DOMELIGHT SUPERVISION WHITE (-) @ BCM, BLACK Plug, Pin A46, See NOTE #3
TRUNK RELEASE N/A
SLIDING POWER DOOR N/A
HORN GREEN to BLACK (-) @ HORN Switch or BCM, GRAY Plug, Pin A25, See NOTE #3
TACH Any wire NOT: PINK or BLACK (AC) @ Any IGNITION COIL or FUEL-INJECTOR
WAIT TO START LIGHT N/A
BRAKE LIGHT BLUE (+) @ SWITCH ABOVE BRAKE PEDAL
FACTORY ALARM DISARM N/A
ANTI-THEFT GM'S MULTIPLEX IGNITION/ANTI-THEFT SYSTEM, See NOTE #1
NOTES
NOTE #1: This vehicle is equipped with a Multiplex Ignition/Anti-theft system that requires a INTERFACE BYPASS MODULE Part DB-ALL, to order go to our INTERFACE BYPASS MODULE Page on this website.







NOTE #2: The PCM is located on the PASSENGER side of the Firewall, under the Hood of

the vehicle.





NOTE #3: The BCM is located in the PASSENGER KICK PANEL.







NOTE #4: the DRIVERS DOOR is a GRAY/BLACK (-) at Pin A32. The PASSENGER DOOR is a

LIGHT GREEN/BLACK (-) at Pin A38. The DRIVERS REAR DOOR is a BLACK/WHITE

(-) at Pin A39 and the PASSENGERS REAR DOOR is a LIGHT BLUE/BLACK (-) at Pin

A44, all wires are located at the BCM, BLACK plug. When connecting to an ALARM

SYSTEM use all 4 wires and DIODE ISOLATE, See DIAGRAM





LINK 1 LINK TEXT 1 LINK 2 LINK TEXT 2