1999 Ford F-250 interior dome light

Tiny
MXALEX229
  • MEMBER
  • 1999 FORD F-250
  • V8
  • 4WD
  • AUTOMATIC
  • 150 MILES
I recently bought a dmoe light and I can not install it, I'm not sure what I am missing but I belive it might be some sort of relay wire. What is it? And where might I find one?
Thursday, December 17th, 2009 AT 1:50 PM

13 Replies

Tiny
RACEFAN966
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How do you mean can't install it? Is there no place for it or?
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Friday, December 18th, 2009 AT 9:59 AM
Tiny
MXALEX229
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No there is a place to install it, but I belive I am missing a wire here, I'm not sure, becuase it looks like everything is there but it still doesn't work.


https://www.2carpros.com/forum/automotive_pictures/450225_GetAttachment_1.jpg



https://www.2carpros.com/forum/automotive_pictures/450225_GetAttachment2_2.jpg

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Saturday, December 19th, 2009 AT 7:39 AM
Tiny
RACEFAN966
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So are telling me that it won't come on? It is two wire both power. The light when it is screwed in grounds through the body with one of the mounting screws. I need to know if this is a F250 super duty or not to get the right wiring diagram. Get back to me with that.
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Saturday, December 19th, 2009 AT 9:22 AM
Tiny
MXALEX229
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Yes, it is an f250 super duty xl, I screwed the light in and grounded it but it still wont turn the light on, I replaced the bulbs fuses etc. So I figure it must be something with the wiring, I just dont know what exactly.
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Saturday, December 19th, 2009 AT 2:01 PM
Tiny
RACEFAN966
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I am thinking it is either a door pin switch or the Gem module or interior lamp relay. Do you have a test light or digital multi meter so we can do some tests to figure out witch? So tell me is there any other lights that don't work inside? Here is what I see with the wiring diagram. It starts with fuse 14 (10 amp) in the junction box behind the lower leftfront of the dash. Then to the interior lamp relay then it goes out the interior lighting (all). So the other thing I need to know is regular or extra cab or 4 door? So check for power at the blue wire with the black stripe for power when the door is open or when you turn the switch on. If now power then I need you to check for power at the orange wire with the light green stripe that goes to the main dome light switch. Let me know what you find.
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Monday, December 21st, 2009 AT 12:50 PM
Tiny
MXALEX229
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I checked the fuse box, It seems after tracing it there is no interior lamp relay to begin with. It must have been sold as parts before I bought it. It is only a regualr cab though. Would you guys know any place I could get the relay for the interior lighting?
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Monday, December 21st, 2009 AT 6:15 PM
Tiny
RACEFAN966
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Ok of course you can go to Ford or you can go to your local parts store. Napa part number is AR606 and looks to cost about 8 dollars. Let me know if this takes care of it.
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Tuesday, December 22nd, 2009 AT 9:53 AM
Tiny
MXALEX229
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Thanks i'll get back to you soon as it is installed, your time and service has been very much appreciated.
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Tuesday, December 22nd, 2009 AT 3:24 PM
Tiny
RACEFAN966
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Thanks and do let me know how it goes. If this don't fix it then we will look into other things. Did you buy this truck used and the dome light didn't work? I am thinking that the light wouldn't go off, so they removed the relay, if that is the case then you will need to replace the door pin switches that turn the light on and off. Let me know how it goes.
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Wednesday, December 23rd, 2009 AT 9:50 AM
Tiny
MXALEX229
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Hey I bought the relay, it didn't fix the problem, but we took another step forward seeing as how there was no relay there before. All the relays are missing actually, there was only one in and it was the third down. Could that have anything to do with it. And when I bought the truck there was no light at all, just a few wires comming out of the truck where the light should hav been.
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Wednesday, December 23rd, 2009 AT 3:13 PM
Tiny
RACEFAN966
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Ok so just to go over things lets see if there is power first. Now fuse number 4 and number 14 check them both should be 10 amp. My next question is do any of the courtesy lights work? I know the dome light don't work but does the glove box light work and the under hood light etc? Also what color wires are at the dome light?
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Monday, December 28th, 2009 AT 7:14 PM
Tiny
MXALEX229
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No, none of the courtesy lights work, and the wires from the dome are green and black. I have not checked for power yet I just got the tool the other day and I am waiting for it to arrive.
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Wednesday, December 30th, 2009 AT 3:13 PM
Tiny
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I could also be that the GEM Module is not doing its job but we will check that when we get to that point. At this point just make sure you have power in and out ot fuse 4 and 14. Get back to me with that so we can figure out where to go from that point.
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Thursday, December 31st, 2009 AT 10:25 AM

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