Question:
I have a brake controller for a 2001 Tahoe. I would like to use the same wiring harness in a 2007 Sierra classic 2500 hd diesel. Can you help me?
asked by: Chris A
Expert Reply:
The 2007 GMC Sierra Classic uses the same brake controller wiring harness as the 2006 GMC Sierra, # 3015-P for a Tekonsha brake controller.
The 2001 Chevy Tahoe uses a different harness, # 3025-P or # 3025-S.
What you can do if you do not want to buy a new harness is move the wire locations on the end of the connector you have at the end that plugs into the vehicle. It should be configured like the picture I have included for your 2007 GMC Sierra Classic.
Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - GM
Tekonsha Plug-In Wiring Adapter for Electric Brake Controllers - GM
Tekonsha Custom Wiring Adapter for Trailer Brake Controllers - Pigtail - GM
