[chevywidow]

Am I missing a ground somewhere? With everything switched off, my front marker lights are on very dim. Also, the interior light is dim when the door switch is activated. New motor install, good battery but nothing at the key or horn. Body shop had the front clip off. I have the battery grounded to the frame, the rad support grounded to the frame and the firewall grounded to the engine. What's up with the marker lights on dim? It's a '68, int. reg. alt. Tony.

 

[John_Muha]

Maybe the two problems are related. Then again..
Start with the front markers. If the headlight switch is off, the markers shouldn't be on even if it is a ground problem. Also they are getting a positive voltage from somewhere. I'd first try to see what circuit is giving them the small voltage that is keeping them on dimly.
Pull out the fuses one at a time and see which one turns off the dim marker lights. Try the fuse for the courtesy (CTSY) circuit first.

 

[HOTRODSRJ]

I think that the headlight switch has something in common with both. Perhaps the front wiring harness is screwed up. Do the park lights stay on too?

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Steve Jack - ConceptOne Pulleys and Brackets / Engineering & Marketing Technologies