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electrical gremlins?

Working my way through all the issues of buying a used truck!

2006 F-350 and have come across a bunch of annoying electrical issues:

1. come lights down come on (front or back) but map lights all work
2. lights in door panels don't come on when doors are opened
3. white truck bed lights don't work (haven't checked bulbs)
4. license plate lights don't work (new bulbs) but tail lights work fine

There may be other things I haven't found yet but bought a Ford owner's manual and it doesn't give any hint of which fuses or relays this might be near as I can tell. Any tips on how to fix my issues would be much appreciated! Thanks wg
 
#1 above should read

dome lights don't come on (front or back) but map lights all work
 

Fellro

Moderator
Staff member
Map lights should come on despite door being open or not, while the door and dome lights are dependent on the door switch, seems like that would be a good place to start. Manual dome shoud still work though. May be a fuse as a result.
 
I think a fuse is not the only thing in play; believe there may be a relay somewhere. Thanks! Anyone know for sure?
 

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