Hello

My 1973 Duster brake lights don’t work I have traced the wiring there seems to be no break, checked the bulbs, fuse also changed the brake light switch funny thing is the third light in the rear window runs off the same source and it works fine!! Is there something I missed all grounds are connected.

Thanks

Might be a bad directional signal switch.

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Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 170 nitrous
64 Valiant Signet
64 Valiant 4dr 170
64 Valiant 4dr 225

Yep -- probably a bad directional (turn) signal switch. Remember, the wiring for the left & right brake lamps runs through the directional signal switch so as to allow the rear lamps to work as both brake and turn signal lights.

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一期一会
Too many people who were born on third base actually believe they've hit a triple.

i bet your hazards prolly have a short in them too, dan is right. i had the same problem. the switch is easy to replace once you get the steering wheel off. if i remember right, it cost me about $60 at advanced auto... if needed i might be able to get you a part number

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"I don't like these seatbelts, they're too complicated." - my lovely girlfriend in reference to my 71 duster seatbelts

Thanks all for your assistance I will check this today.