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Old Feb 24, 2005 | 06:28 PM
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Power / Lighting

Hey guys i have a 79 f100 and my parkings lights arent working they use to work when i had the old harness in the colum in. i checked to see if i was geting power and im getting nothing. my brake lights work and my blinkers do too.

could it be the headlight switch ?
 

Last edited by Mil1ion; Feb 24, 2005 at 11:08 PM. Reason: BOGUS TITLE: User should know to Title Thread with TOPIC in it
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Old Feb 24, 2005 | 06:40 PM
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try to find a wiring diagram and see if everthing where its suppots to
 
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Old Feb 24, 2005 | 07:26 PM
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i have but i cant seem to find the problem i need to know where the parking lights get its power from? so i can start from there. does anyone know
 
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Old Feb 24, 2005 | 11:10 PM
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Maybe you blew a fuse.

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Old Feb 25, 2005 | 04:02 PM
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Nope all fuses are a ok. i have an question what are courtesy lights? see that my little switches for the dome light that are mounted on the door jam are not conected do the have to be so the parking lights work?
 

Last edited by justin04; Feb 25, 2005 at 04:55 PM.
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Old Feb 26, 2005 | 07:56 AM
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Ive read in other threads that if the blinkers and stop lights work the its not the wiring thats bad its either a fuse or bulb. ???? also Million on that picture of the fuse box the number six fuse on my fuse box has only one terminal thing and the other is not there is this normal cause on my other harness its the same i also looked see if it was loose but theres nothing? .................. could some one send me a pic of their fuse box so i can see...and also what is that big white fuse looking thing that right by the blinker relays under the dash? thanks...
 

Last edited by justin04; Feb 26, 2005 at 07:58 AM.
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Old Feb 26, 2005 | 12:52 PM
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#6 is if you have duel fuel tanks .
It runs the tank switching solenoid.

Courtesy lights are those under the dash that light up when the door is opened or The dome light is turned on with turning the H/L switch.
 
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Old Feb 27, 2005 | 10:15 AM
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Hey guys i was wondering if anyone could tell me which wire sends power to the parking lights i read the tech article but i think the 74 has a different plug in the engine bay? i dont understand the wiring diagrams in the Haynes book does anyone have a link or something that could help me understand the diagrams. thanks.
 
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Old Feb 27, 2005 | 05:12 PM
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I'm not positive on this... but I would think that the parking lights would get their power from the Headlight switch... I would think that the headlight switch would get power coming in and then distribute it from their... and being as none of the parking lights are working then your trouble is there. Do your headlights work?
 
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Old Feb 27, 2005 | 06:06 PM
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From: Beaufort,SC
Yea my headlights and front parking lights work. "I think" the front and back parking lights are not wired on the some wring harness. i replaced my headlight switch a few months ago but it might of got messed up agian cause i think i have a short also.
 
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