What would keep the 2 main brake lights from working while the 3rd is working?
1994 Toyota P/U 4x4, Brake lights not working in the tail light assemblies. The third brake light above the cab is working. Bulbs and fuse are good. What would keep the 2 main brake lights from working while the 3rd is working?
Corrosion mostly, in the plugins, bad wiring, bad ground, bad bulb sockets.
bad ground on bulb to socket -- clean with sand paper then use a dab of grease ---small dab on bulb
test after you've done that strong 12 vdc~ use an electrical tester if you've got one~
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