Dome lights not working neither does horn. - Ford Powerstroke Diesel Forum
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Old 11-30-2011, 12:46 PM
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Dome lights not working neither does horn.

My dome lights do not work. If i switch them on they work fine. If not switched on they dont turn on when locked/unlocked or any other reason other then flipping the switch. I tried programming it as per the owners manual but my horn doesn't work so i'm not sure if it works. WTF. I can't figure out why my horn doesn't work as well.
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Old 11-30-2011, 02:02 PM
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You've checked for fuses?

https://www.fleet.ford.com/maintenan...ls/results.asp

The Fuses/Relay section starts on 297.

When you open the door, does your cargo light go on? Does it go on when you use the dome light switch? Just asking because the cargo light has it's own fuse. (Fuse 10, 15A) There is also an interior lighting fuse (Fuse 9, 15A)

There is a horn relay feed fuse (Fuse 24, 20A). If that's good, maybe the horn relay is flaking out.

Just offering some suggestions.
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Old 12-01-2011, 04:20 AM
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thanks alot man.
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Old 12-01-2011, 04:31 AM
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i have changed the fuses and no go. I am not sure how to test a relay.
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Old 12-01-2011, 05:46 AM
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Dome lites work when switched. Horn never works
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Old 12-01-2011, 06:53 AM
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Quote:
Originally Posted by usudno View Post
i have changed the fuses and no go. I am not sure how to test a relay.
Just a suggestion on the horn relay - Find your relays, find the one for the horn, see if another relay is the same type and 'borrow' one to plug into the horn relay spot.
Have you checked to see if your horn(s) is/are even hooked up? just asking.

The dome light thing..... I don't know how to help next.
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Old 12-01-2011, 09:34 AM
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Quote:
Originally Posted by SuperCrutyPS View Post
Just a suggestion on the horn relay - Find your relays, find the one for the horn, see if another relay is the same type and 'borrow' one to plug into the horn relay spot.
Have you checked to see if your horn(s) is/are even hooked up? just asking.

The dome light thing..... I don't know how to help next.
That is the best way to test them . good advice
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Old 12-01-2011, 12:03 PM
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as far as the horn plugged in.... i looked for 30 minutes in our sorry excuse for an engine bay yesterday and could not find it lol. I'll try the relay swap.
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