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Vehicle Wiring Details for your
2006-2008 Hummer H3 Wiring Diagram
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Listed below is the vehicle specific wiring diagram for your car alarm, remote starter or keyless entry installation into your 2006-2008 Hummer H3 . This information outlines the wires location, color and polarity to help you identify the proper connection spots in the vehicle. Please be sure to test all of your wires with a digital multimeter before making any connections. More information on using a multimeter and testing wires please see our Technical Support Area.


 PART   COLOR  LOCATION
 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
 DOOR TRIGGER  See NOTE #4  @ BCM, BLACK Plug, See NOTE #3
 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  
 EXTRA INFORMATION
 NOTE #1: This vehicle is equipped with a Multiplex Ignition/Anti-theft system that requires a Interface Bypass Module Part # XK09 to order go to the 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
 
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