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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Newbie Lighting Question

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Old Dec 12, 2020 | 08:23 PM
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Newbie Lighting Question

Hi All!

Was brushing snow off of my truck just now when I heard a loud pop and most of my lights died..... I had a large crack in my passenger headlight and I think snow got in it. I was only going to move it and a new headlight and passenger turn signal (also broken) will be here early next week

The only lights that work now are my driver's headlight, brake lights, and right turn signal. Rear driving lights, passenger headlight, dash lights, side markers, etc no longer illuminate- they all worked 15 min ago. Passenger rear turn signal will only illuminate the light, but not repeat.

Is this a fuse issue, or did I cook a lighting harness?

Thank You
 
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Old Dec 12, 2020 | 08:33 PM
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I would pull all the fuses and check them with a meter or just replace them.
The head lights don't have a fuse, they have a breaker built into the head light switch, but the tail / dash lights do have fuses.
Hope that its just a fuse or 2 and with new bulbs all will be good.
Let us know how you make out.
Dave ----
 
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Old Dec 12, 2020 | 08:36 PM
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Dave-

Thank you. I'll take a look when it stops snowing.
 
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Old Dec 12, 2020 | 08:44 PM
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Man I don't miss that white stuff at all, I came from New England so I know snow.
Just to rub it in it was close to 60* here to day.
Dave ----
 
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Old Dec 12, 2020 | 10:04 PM
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Originally Posted by ZG_84_F250
Was brushing snow off of my truck just now when I heard a loud pop and most of my lights died..... I had a large crack in my passenger headlight and I think snow got in it. I
For starters, unplug the damaged headlight until you get a new one. No point trying to troubleshoot with a damaged component installed.

Is your truck an '84? I'm guessing, based on your username. Wiring diagrams here for 1985, which should be close:

1985 EVTM - Gary's Garagemahal (the Bullnose bible)

 
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Old Dec 13, 2020 | 07:24 AM
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Originally Posted by ZG_84_F250
Hi All!

Was brushing snow off of my truck just now when I heard a loud pop and most of my lights died..... I had a large crack in my passenger headlight and I think snow got in it. I was only going to move it and a new headlight and passenger turn signal (also broken) will be here early next week

The only lights that work now are my driver's headlight, brake lights, and right turn signal. Rear driving lights, passenger headlight, dash lights, side markers, etc no longer illuminate- they all worked 15 min ago. Passenger rear turn signal will only illuminate the light, but not repeat.

Is this a fuse issue, or did I cook a lighting harness?

Thank You
Your headlight circuit is ok, since the other headlight is still working and both headlights are tied together to the same circuit. Your marker light fuse is probably blown, since the side markers, rear running lights and front markers under the headlights and the dash lights are all fed from that fuse.
 
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