Underhood light
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New User
Joined: Sep 2012
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Underhood light
I just purchased a 1986 Ford F150 and I'm going through everything and I noticed that my light under the hood does not come on at all. I replaced the bulb and checked the ground and still nothing. Does anyone have any idea or advise. Is there something I'm supposed to turn on to get it to light up?
Cargo Master
Joined: Aug 2007
Posts: 2,558
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From: New Zealand
No, they have a mercury switch that closes the circuit when the hood is lifted.
When I first got my truck it's underhood light didn't work either (bulb & wiring was ok), then after a week or so, it mysteriously started turning on, & has been good since.
When I first got my truck it's underhood light didn't work either (bulb & wiring was ok), then after a week or so, it mysteriously started turning on, & has been good since.
Post Fiend
Joined: Jul 2004
Posts: 8,786
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From: Northern California
The connections at the mercury switch and lamp connections sometimes can get corroded.
That requires to remove the rivets and take the lamp assymbly apart to fix.
Look for green corroded rivets around where the wires enter the lamp assymbly.
That requires to remove the rivets and take the lamp assymbly apart to fix.
Look for green corroded rivets around where the wires enter the lamp assymbly.
Elder User
Joined: Jan 2012
Posts: 698
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From: Norman, Ar
I just purchased a 1986 Ford F150 and I'm going through everything and I noticed that my light under the hood does not come on at all. I replaced the bulb and checked the ground and still nothing. Does anyone have any idea or advise. Is there something I'm supposed to turn on to get it to light up?
Sometimes,if someone pulled too hard on the light or stretched it out far it could have broke the wire that rewinds..especially at the end next to the light...Hope this helps...Trav..
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gangstakr
1967 - 1972 F-100 & Larger F-Series Trucks
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May 19, 2014 09:22 PM
