If the brake light comes on fix the ground connection at the switch.
Chevy silverado third brake light not working.
You can get creative and check the power to a spot on the frame and then switch to the audio continuity test and see if the ground is good.
It got current exterior under the hood 49 center high mounted stoplamp chmsl did not work.
Use a jumper wire to connect the switch to a good ground and operate the brake pedal.
Chances are the cause of the defective light or brake lights circuit on your chevy silverado is a simple problem.
If you are not changing out the top bulb this is your probelm.
Did not have current.
Both the top bulb and middle bulb have double filaments in them.
Interior fuses 12 stoplamps center high mounted stoplamp worked fine.
Even when the online pictures are an honest representation of the item it is hard to see any tiny details in the photos.
2 brake lights not working 3rd brake light is.
While the running lights will burn the brake light s could be shot due to the double element or filament.
Third brake light problem.
Duffy in modern automotive technology of course there is also the possibility of a hidden short.
I checked the following fuses for current.
I noticed the third brake light is not working.
Use a voltmeter and see if you have power.
Moreover you can blame most of these problems on little or no maintenance according to james e.
While shopping online for an chevy silverado third brake light gasket is easier and more convenient than shopping in person it is also harder to know if you are buying a high quality product.
Even when the brake is not pressed the integrated cargo light if equipped gives off plenty of white light to view your gear in the truck bed.
Chevy silverado forum gmc sierra help.
The led third brake light has a durable polycarbonate lens with free form reflector and available with either the clear lens or custom smoked lens.
The top bulb is the running lights and the brake lights.
Autozone told me maybe my brake light switch is out so i changed it but still not working.
Both brake lights are not working but the 3rd brake light is.
Chevy truck tech forums.