My 1999 Chevy Silverado the brake lights will not work (Third brake light works)? I've tried changing the fuses and bulbs with no results. Help?
SOURCE: 1998 chevy lumina brake lights intermittent.
This is a classic example of turn signal switch failure. On GM vehicles with a multi-function turn signal switch and combination stop/turn/tail lights (all rear lights are behind red colored lenses except for back-up lights) The brake light power is routed through the turn signal switch. This makes it possible for the right rear light to function as a stop light while the left rear turn signal flashes, and vice-versa. When the contacts fail to remain constant the brake lights, and turn signals can become intermittent. The proof that the brake light switch is functioning correctly is that the high center (cyclops) brake light functions properly. Wiring integrity is verified if you can prove that turn signals operate, but that can still be intermittent with this complaint, BUT if you use your hazard switch to turn on all the signals at once, you can verify wiring integrity. This is because the turn signal, and the brake light use the same circuit, and bulb filament in the rear lighting assembly. If any Hazard lights fail to function, check bulbs first, then retest. If all Hazrd light flash correctly and reliably, bulbs, sockets, and wiring have proven integrity, and the turn signal switch is the remaining component in the system which needs to be tested. Unfortunately, this switch requires disassembly of the steering column for service, testing or replacement. If you have never disassembled, and successfully reassembled a GM tilt steering column, I would reccommend professional assistance.
SOURCE: brake lights/rear turn signals
I had the same problem with my 1999 Yukon. The electric board needed to be replaced. Rust starts to build up and shorts out or blows the bulb. The dealership charged $73.60 for the part and I installed it myself (Saved $30).
SOURCE: 1996 Chev Silverado K3500 dually, no brake lights
The chevys with red brake lights and turn signals do two things and I've fixeds alot of them. Looking at the tail lights with the hazard flashers on. both sides flash with nothingeles on? Or are the hazards yellow? if they're red and the third eye does work the turn signal switch is possible problem but it doesn't let the blubs and the circuit boards in the taillights out as they can fail and do some really bad stories the wires for the brakes and the turns and the hazards are the same ones and if the turns look right and the hazards look right then the turn signal switch transmites the turn too as this doesn't work part of your story can't be true
SOURCE: 2004 chevy 1500 brake lights not working
check fuse under hood, batery terminals coroded wire at harness if everything fails run a hot wire to rear brake line with an interuptor.
check the swich under the foot brake.
vitally
SOURCE: 1999 Chevy Silverado - 3rd Brake Light Inop
i had same problem i took out the assembly and the bulb and the part that hold the bulb and bent the contacts and replaced havent had a problem since now i replaced ujoints thinking that the squealing but it sounds like it is in center of drive shaft im not sure if its wheel berrings or if its in the rearend
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