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1970 Challenger dome light troubleshooting

stevepoppop

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I’m hoping someone can help with some information regarding the dome light. I have a service manual and a fancy colored laminated diagram also, but I think I’m missing something. My dome light was working fine and now it’s not. After a little time with a test light and meter, I have determined that the pink wire that provides the 12volt power is good up to the bulb. The yellow wire that provides the ground that runs through the door switches is where I believe my problem is. Specifically the key in buzzer. I have switched continuity from the bulb through the door switches down as far as where the key in buzzer is supposed to be plugged in. I think the original buzzer was replaced along the way with something different. It is a round 3 prong relay with no numbers on it. I’ve never heard it buzz when the keys are in it. Does anyone know if there’s a replacement available? Seems like a 70 only thing from what I can find online. Or is there a way to bypass the buzzer and keep everything else functioning.

Thanks for any help

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stevepoppop

Member
Joined
May 2, 2023
Messages
24
Reaction score
15
Location
Central Massachusetts
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