If you dont have power look for a fuse if you have power and ground you have a problem with the bulb or bulb harness.
Chevy third brake light fuse.
Lower brake lights no longer work on my 2002 chevy tahoe but the 3rd brake light works fine.
The only way to turn off the third brake light is to remove the fuse 49.
Had the fuse for the 3rd brake light fail in.
Posted june 21 2017.
1998 2004 see fuses 2 cigar ltr cigarette lighter and 13 aux pwr auxiliary power.
I was outside my truck while it was running last night ans noticed the third brake light was off.
My first guess would be a burnt out fuse.
I then had someone stand off to the side while i put it in reverse.
That could be the bpp and not the light.
Third brake light problem.
1994 1997 see fuse 7 pwr aux auxiliary outlets.
Does anyone have any idea how to fix this problem.
Chevy truck forum silverado sierra gmc truck forums.
Both of my regular brake lights work correctly but the third brake light doesn t.
Fuse box diagram location and assignment of electrical fuses and relays chevrolet chevy suburban tahoe 2015 2016 2017 2018 2019 2020.
I have changed the break light sensor and check the third break light fuse.
The third brake gets power from the veh chmsl fuse and is continously grounded.
I had someone stand behind it while i hit the brakes no light.
Checked fuse and bulbs and everything works fine.
The bpp brake pedal position sensor takes the place of a simple and effective switch.
You should have two fuses labeled tr chmsl 10a and veh chmsl 10a in the underhood fuseblock top of left front fender.
Third brake light problem.
Fuse layout chevrolet s 10 1994 2004 cigar lighter power outlet fuses are located in the instrument panel fuse box.
Aug 20 2013 12 56am.
When you step on the brake you should have battery voltage on the power side of each fuse.
Look for the fuse box and remove the cover.
2017 chevy silverado lt crew cab 4x4.
I think they are supposed to.
I have a 2003 silverado 1500 4 8 l and i m trying to hook up a third brake light that i ordered from recon and i may have blown the third brake light fuse and was wondering if anyone knew which one it was.
Third brake light does not work after changing the bulbs if some of the lights work then you probably don t need to change the light assembly.
Just the 2 lower brake lights dont work.
My third brake light won t turn off even when my truck is off.
I looked at the fuse box under the hood and the one on the drivers side dashboard but.
Third brake light problem.