Quote:
Originally Posted by RTRSPRFTR
make sure to twist the socket in place otherwise no turn signal or reverse light even though the brake light works. twisting the socket grounds the other 2 bulb connections.
also rear wiper will only work if rear window is completely rolled up.
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wanted to clarify that its the main socket (middle) / plug that needs to be properly seated, twisted and contacts properly lined up. this exact problem pops up at least once a month here.
you can see below how the other 2 bulb connections are powered via the main socket. so neither turn signal nor reverse light works if full contact isn't made by twisting socket properly. its harder twist than many realize.
have also seen bad wires and terminals in replacement lights. fix is to swap over the wires and terminals from the original.