GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 HUMMER 🢒 2008 🢒 H2 🢒 Power and Signal Distribution 🢒 Wiring Systems and Power Management 🢒 Trailer Connector/Provision Schematics
Figure 1:

Trailer Connector 1 of 2
Object Number: 1964807 Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Trailer Connector 2 of 2
Figure 2:

Trailer Connector 2 of 2
Object Number: 1964810 Size: FS
Master Electrical Component List
Exterior Lighting Systems Description and Operation
Control Module References
Trailer Connector 1 of 2