2007 Hummer H3 Wiring Diagram. Heres the diagram for 7 pin connector. Brown pin for unwanted markers tail lamps and running lights.
At pcm blue plug pin 48. At the tail lights the wire is blue at the rear light junction block under the rear body about the center of the rear bumper the right side tail light wire is brownwhite the left side tail light wire is brown from the junction block to the tail lights both wires are blue. Gm doorlock interface immobilizer override oem alarm bypass and control of various convenience features for buick cadillac chevrolet hummer gmc isuzu oldsmobile pontiac and saturn vehicles.
Hummer h3 workshop manual v8 53l 2008 2006 hummer h3 5 cylinders 6 35l mfi dohc.
I recently bought a 2006 h3 base and wanted to install remote start most systems take 4 hours with soldering. Starter negative wire location. 2007 hummer h3. Whether your an expert hummer h3 mobile electronics installer hummer h3 fanatic or a novice hummer h3 enthusiast with a 2007 hummer h3 a car stereo wiring diagram can save yourself a lot of time.