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K. Wiggins
K. Wiggins, Classic Car Mechanic
Category: Classic Car
Satisfied Customers: 2518
Experience:  AA in Auto Tech, Classic car restorer and enthusiast
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The headlights don't work (1976 cadillac seville, bulbs and

Customer Question

The headlights don't work (1976 cadillac seville
JA: Have you checked the fuses? Have you checked the bulbs?
Customer: bulbs and fuses okay
JA: What year is your Seville?
Customer: 1976
JA: Are you fixing your Seville yourself? What have you tried so far?
Customer: different lightswitch and floorswitch
JA: Anything else you want the mechanic to know before I connect you?
Customer: parking lights work correct
Submitted: 1 month ago.
Category: Classic Car
Expert:  K. Wiggins replied 1 month ago.

Hello, with the headlights on is there 12 volts on the light blue wire at the dimmer switch?

Customer: replied 1 month ago.
Expert:  K. Wiggins replied 1 month ago.

Great, with the low beams on do you have 12 volts on the tan wire at either headlight?

Expert:  K. Wiggins replied 1 month ago.

Hello, I was just wanting to follow up and see how things went.

Customer: replied 1 month ago.
There seems to be a failure in the twilight ..... something. I've connected the headlights directly to the switch and it works (without the automaticly on and off. )
Expert:  K. Wiggins replied 1 month ago.

Glad to hear you got it going. The twilight sentinal device is prone to failure and hard to find a replacement for.

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