[C2] Parking light / tail light issue.
Thread Starter
Instructor
Joined: Jan 2025
Posts: 226
Likes: 18
Parking light / tail light issue.
First late cruise night tonight and had an issue with parking and tail lights on my 1966 Coupe....
When I pull to the first position tail lights work fine with the parking lights as they come on.
Here is the issue.When I pull to the 2nd position tail lights go off with parking lights.
From what I have read the parking lights are suppose to go off in the 2nd position but why are my tail lights going off?
I believe that is not normal.
When I pull to the first position tail lights work fine with the parking lights as they come on.
Here is the issue.When I pull to the 2nd position tail lights go off with parking lights.
From what I have read the parking lights are suppose to go off in the 2nd position but why are my tail lights going off?
I believe that is not normal.
Le Mans Master
Joined: Nov 2015
Posts: 7,495
Likes: 2,654
From: Really Central IL Illinois
I believe the parking lights and tail lights are on the same fuse, wiring, and grounds. The only variable would be the position of the light switch. Try putting the headlights / tail lights on and pushing in and out and twisting the **** while watching for any flicker at the tail lights. Just a guess, the smarter guys will be along soon.
Thread Starter
Instructor
Joined: Jan 2025
Posts: 226
Likes: 18
I believe the parking lights and tail lights are on the same fuse, wiring, and grounds. The only variable would be the position of the light switch. Try putting the headlights / tail lights on and pushing in and out and twisting the **** while watching for any flicker at the tail lights. Just a guess, the smarter guys will be along soon.
Ty
Le Mans Master
Joined: Nov 2015
Posts: 7,495
Likes: 2,654
From: Really Central IL Illinois
I doubt it is a ground issue if both tail lights are equally bright in the park position and if the brake and turn signal bulbs work. All use the same ground.
I am not the sharpest knife in the drawer, but my wife claims my family comes from the butter knife drawer.
I am not the sharpest knife in the drawer, but my wife claims my family comes from the butter knife drawer.
Le Mans Master
Joined: Nov 2015
Posts: 7,495
Likes: 2,654
From: Really Central IL Illinois
The aftermarket light switches don't have a good reputation. I would disassemble the original and inspect, clean, burnish if needed, lube and reassemble if it is not trashed.
JMHO
JMHO
Team Owner
Joined: Jul 2006
Posts: 22,204
Likes: 4,187
From: Kannapolis NC
I believe the parking lights and tail lights are on the same fuse, wiring, and grounds. The only variable would be the position of the light switch. Try putting the headlights / tail lights on and pushing in and out and twisting the **** while watching for any flicker at the tail lights. Just a guess, the smarter guys will be along soon.
Just to see what happens, I'd try pushing the headlight switch back and forth between park and on rapidly several times and see if that clears off some corrosion on the contact and they start to work.
Last edited by 65GGvert; Today at 12:05 AM.
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Team Owner
Joined: Jul 2006
Posts: 22,204
Likes: 4,187
From: Kannapolis NC
The rheostat has no connection to the tail lights, only the dash lights. The only common thing between the two is that you are wiggling the headlight switch shaft when you rotate it. possibly moving the internal contact exactly like the original post here describes.
