Question about 1998 Chevrolet Lumina
High brake light always works ok. one side brake light will not work at alland both most of the time will not work. fuses and bulbs have been changed with no results
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.
Posted on Nov 01, 2008
I did have the same problem on my 2000 chevy lumina. all played with the switch a little and figured out a cheap way to make them work for now. wrap electrical enough tape around the turn signal switch where it hits the plastic piece surrounding the column so that the plastic piece is pushing the switch slightly foward. it worked for me. if you need pictures of where i am talking about email me and i will send pictures. firstname.lastname@example.org
Posted on Apr 30, 2009
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Posted on Jan 02, 2017
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