I think what you mean is the gmc wiring system does not have a dedicated brake lite wire. I am trying to find the supplier for (american technology ) company name, they have a module PN at-lc-1 that enables you use the turn signal wires. I could go on with explanation my typing skills suck
Attached to the brake pedal.
Canopy Glow was created on 2008-11-18.
On a 2008 Sierra you must first remove the 2 bolt on top then on the wheel well their is 2 bolt that release the lower front rap around below head light then their is a bolt that must be loosed. the light pulls out from the bottom.
Which light are you asking about? Dashboard location would help -- Brake lights mean the brake is being applied, but I'm sure that's not what you're asking.
Indoors Out - 2008 Tree Canopy Kitchenette was released on: USA: 28 June 2012
It's in the left engine compartment.
it would be the brake light switch about 20 dollars at autozone
The 2008 GMC Sierra-2500HD has a V8 engine.
The 2008 GMC Sierra-2500HD has 16 valves.
The 2008 GMC Sierra-3500HD has 16 valves.
The 2008 GMC Sierra-3500HD has a V8 engine.
The 2008 GMC Sierra-1500 has a V6 engine.