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1968 Lucas fog light problem

TraveledGTCS

Well-known member
Joined
Nov 24, 2004
Messages
174
Hi all,

I've got a problem with the Lucas fog lights on my special and hope to get some help or direction where to start. The fog lights come on when I turn on either the parking or headlights. They didn't before and the only thing I had done on it was the engine compartment repainted recently. I don't think they changed the wiring harness any, but I wanted to check here in case anyone else had a similar problem. I've checked the latest GT/CS book and it shows the connections to the wiring harness and the switch but no other details. I plan on taking it to the shop to have them fix it, but I would like to have some documentation in case they get stumped.

Thanks for any ideas,

Bill
 

Mosesatm

Well-known member
Joined
Jan 18, 2005
Messages
9,009
Bill,
Might the person who painted the engine compartment disconnected some wires to keep from getting paint on them, and then reconnected them incorrectly?
 
OP
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TraveledGTCS

TraveledGTCS

Well-known member
Joined
Nov 24, 2004
Messages
174
That's what I'm thinking but I wanted to have documentation to verify how it needs to be hooked up.

Bill
 

Ruppstang

Well-known member
Joined
May 22, 2009
Messages
3,032
If you plug the marker light plug in to the fog light that will happen. The plugs are the same. My dad did that on his HCS and it took me a bit to figure it out.
Hope that fixes it, it is a easy fix:smile:
 
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TraveledGTCS

TraveledGTCS

Well-known member
Joined
Nov 24, 2004
Messages
174
Marty,

That may be the problem. I just went out and turned on the lights, head, parking & fog, separately and the marker lights didn't come on. I'll mention that to them when I take it to them.

Thanks,

Bill
 

rvrtrash

Well-known member
Joined
Apr 25, 2003
Messages
3,649
Bill,
If the shop you go to can't figure it out, and you're not in a hurry, I'll be in that area in the middle of June. I'd be happy to help you get it straightened out.

Steve
 
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TraveledGTCS

TraveledGTCS

Well-known member
Joined
Nov 24, 2004
Messages
174
Marty,

The fog/marker light mismatch was the problem. I did the driver's side and it solve that side's problem. Now to do the other, but I'll need to back it out of the garage and it's starting to drizzle here so I shall wait until later.

Bill

Steve, sent you a PM.

Bill
 
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