C 1500 Truck 2WD V6-4.3L VIN X (2003)
Trailer Connector: Locations
Trailer Brake Controller Wiring Harness Jumper Connector
This article has been updated with Bulletin No: 02-05-22-004C
TRAILER BRAKE CONTROLLER WIRING HARNESS JUMPER CONNECTOR
The Trailer brake controller wiring harness jumper connector is located, plugged into the relay block-body.
The relay block-body is located under the left side of the instrument panel near the left kick panel, behind a plastic cover.
Refer to Bulletin No: 02-05-22-004C for additional information