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need diagram fuse distribution box 1993 f150

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Old 08-28-2009, 12:11 AM
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need diagram fuse distribution box 1993 f150

1993 f150xl short bed no towing package 6cyl 5spd .No power to brake light switch, box under hood is numbered only, all fuse check out good .which # goes to brake hazard lite circuit.Does this circuit have a relay?Any help would be appreciated.

Last edited by kopperhead; 08-28-2009 at 12:14 AM.
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Old 08-28-2009, 04:50 PM
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It's all in the owner's manual. It's the same as this, except as noted below:



A: Flash-to-Pass
C: Horn, Speed Control
L: Fuses 9 & 13
P: Fuses 2, 6, 11, 14, 17, U

No relay for hazards or brakes. The BOO gets power from Fuse 13 (thru Fuse L), just like the hazard flasher. So if the hazards work but the brake lights don't, the fault is on the back of the underdash fuse block.

Last edited by Steve83; 08-28-2009 at 04:52 PM.
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Old 08-28-2009, 10:33 PM
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Thanks steve for the imformation my truck came without a book .This helps alot will start at fuse block under dash .Wish I new previous owner so I could thank him for the 30 amp fuse in #13 spot. Thanks again
mike in olympia
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