1978 F150 Headlights

Reply Subscribe

Thread Tools

Search this Thread

Jan 22, 2017 | 08:13 AM

fishbeard

Thread Starter

New User

Joined: Jan 2017

Posts: 1

Likes: 0

1978 F150 Headlights

Both headlights went out as I pulled the **** turning them on. All other lights work fine, just no headlights high or low.

Trying to locate fuze / relay
Any Ideas?

Jan 22, 2017 | 06:14 PM

rollerstud98

Logistics Pro

Joined: Sep 2006

Posts: 4,863

Likes: 4

From: Airdrie Alberta

Trace wiring back from headlights, find common point where they meet up and look for a broken wire from there.

Jan 22, 2017 | 06:24 PM

NumberDummy

Ford Parts Specialist

Joined: Nov 2006

Posts: 88,826

Likes: 785

From: Simi Valley, CA

Quote:

Originally Posted by fishbeard

Both headlights went out as I pulled the **** turning them on. All other lights work fine, just no headlights high or low.

Pull the headlamp switch **** all the way out, step on the floor mounted dimmer switch, then see what happens.

The switch corrodes, so if the low beams are on and you step on the switch, the headlights will go out...and vice versa.