Chevy with brake controller problem.
Went to pick up my new Pup at the dealer yesterday, but they could not get the brake controller to work on my truck for some reason. I have a 2007 Chevy Silverado 1/2 ton new body style. I think they ...
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"The red flag for me is the intermittent high brake light (CHMSL). That runs off the same feed from the brake switch as is used to drive the brake controller."
This is right on target. This is the light on top and back of the cab. If it is not working correctly then the controller will not work.
Also there will be no voltage at the 7way unless the manual lever is used on the Prodigy series controllers and with a high gain setting.
Get the CHMSL working correct and your problem will most likely be solved.
My 05 has two brake light switches. One for the regular brake lights and on for the CHMSL/trailer brake light. They have separate fuses so a short in the trailer does not disable the regular brake light system.
This is right on target. This is the light on top and back of the cab. If it is not working correctly then the controller will not work.
Also there will be no voltage at the 7way unless the manual lever is used on the Prodigy series controllers and with a high gain setting.
Get the CHMSL working correct and your problem will most likely be solved.
My 05 has two brake light switches. One for the regular brake lights and on for the CHMSL/trailer brake light. They have separate fuses so a short in the trailer does not disable the regular brake light system.
