Extensive Lighting Problems
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New User
Joined: Feb 2002
Posts: 21
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From: Nova Scotia, Canada
Extensive Lighting Problems
I've just noticed my 78 F250 lights are all askew.
I noticed because left rear side marker, stop and tail weren't working.
I started with checking grounds,replacing bulbs and cleaning sockets.
I discovered that turning on the headlights : turns off turn signals, left turn signal dash indicator lights solid (no blinking) but turn signals don't work (left) and all sorts of other odd things.
I'm fixing to check all the circuits, but just wondered if there's a common problem area, or if one of the switches (turn signal, headlight, ??) is notorious for failing and causing strange happenings.
Thanks
Bill
I noticed because left rear side marker, stop and tail weren't working.
I started with checking grounds,replacing bulbs and cleaning sockets.
I discovered that turning on the headlights : turns off turn signals, left turn signal dash indicator lights solid (no blinking) but turn signals don't work (left) and all sorts of other odd things.
I'm fixing to check all the circuits, but just wondered if there's a common problem area, or if one of the switches (turn signal, headlight, ??) is notorious for failing and causing strange happenings.
Thanks
Bill
Posting Guru
Joined: Jun 1999
Posts: 2,415
Likes: 3
From: Comox Valley, Canada
Extensive Lighting Problems
It is a bad/missing ground. For sure the LH hand front is bad. The sockets are fairly cheap and easy to replace.
The missing ground is causing the headlights/parking lights to get a ground thru the turn signal circuit. The dash turn indicator is tapped off the front turn signals....so since it is lighting up with the headlights it is a front ground problem.....and since it is the LH turn signal it is the LH front socket ground.
The missing ground is causing the headlights/parking lights to get a ground thru the turn signal circuit. The dash turn indicator is tapped off the front turn signals....so since it is lighting up with the headlights it is a front ground problem.....and since it is the LH turn signal it is the LH front socket ground.
