need help figurin out dome light problem - Ranger-Forums - The Ultimate Ford Ranger Resource


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  #1  
Old 05-04-2008
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need help figurin out dome light problem

well my dome light would never go off so i took the fuse out and today decided to fix it but it really messed up .
when i disconnected the harness from the driver door it went out so hooked it back up and took the out side light off and when i took the bulbs out the dome light also went out. now the bulbs never were lit so the bulbs where making the connection. so i tested this and put a screwdriver in it and it confirmed my theory . and i know they are on a common ground so the only thing is that the pos. is shorted out some where.
but does the wiring go from the door to the outside light then to the dome light or the other way around?
also there is no switches in the passenger door due to different door
thanks guys
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  #2  
Old 05-04-2008
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first off you need to either get a cheap test light or better yet a DVOM (digital volt/ohm meter)

your post is very confusing and i am somewhat lost
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  #3  
Old 05-04-2008
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yeah sorry its confusing
i do have a light and volt meeter
so in short terms i have a short or a back feed and the outside light is acting as the switch
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Old 05-04-2008
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Depending on the year of your Ranger the dome light is controlled through you body control module. These modules are known for there problems. Let me know the Year and what engine you have and I can post a wiring Diagram.
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  #5  
Old 05-04-2008
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sweet the haynes manual does crap for me
it a 97 extended cab w/ 4.0 2wd
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  #6  
Old 05-04-2008
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I am having a hard time posting the diagram.
I can e-mail it to you.
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  #7  
Old 05-04-2008
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ok that would be great i want to get it done tonight i hope :
its [email protected]
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  #8  
Old 05-05-2008
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ok let me know if this is crap or what .
i just got back from the local ford dealership i went to see about getting a wiring book for my truck and guy said they don't do stuff like that.
now my dad ordered shop books from the same dealership.
it sounds like the guy didn't want anything to do with it
i still haven't figured this whole thing out i tore abort the whole cab yesterday and didn't get anywhere its driving me crazy
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  #9  
Old 05-05-2008
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Just sent you the wiring diagram. Same one the dealer uses.
I don't think you can only buy a wiring diagram from the dealer. You would have to buy the whole manual. Good Luck
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  #10  
Old 05-05-2008
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two things where did you get yours?
and i looked at my dads and he bought then from helminc.com they sell genuine ford books but they only have then on the computer for my truck and it 10 bucks for 72 hrs to look at it but want a hard copy of this stuff
thanks man
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  #11  
Old 05-05-2008
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ok i just came in from trying to figure it out and came back more confused.
the switch in the door at activates the light does not work using ohm tester
and made sure this was right by checking the door buzzer switch which is separate.
but if i disconnect the harness from the driver door under the dash no lights work (hi mount or dome )
do you think its the switch thats causing this or a short somewhere else?
i made sure the wires weren't shorting in the door boot.
and does anyone know where the relays are mounted?
thanks
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  #12  
Old 05-06-2008
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I really hate to poke you in the eye like this, but you simply needed to lubricate your door latch to fix that. Search using "door ajar".

I don't know WHAT you've done to it now.....
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