2003 fuse box replaced, now air bag and other issues

[Joe Latt]

Replaced my fuse box due to fuel relay failure. New part was updated part #3L1T-14A067-AA . Car now starts right up, however air bag light on, stops lamps inoperable, drivers seat inoperable, interior auto-dim mirror inoperable, rear view mirrors inoperable, compass inoperable, etc. What can I do??

 

[Bain64]

Are fuses in all the correct locations? Do they test at 12v+?

 

[1955moose]

If memory serves 2003 they made 2 different fuse boxes, be sure you have correct one.

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[Hamfisted]

Well, that link is for a used box off eBay. Did you actually buy a used fuse box off eBay ? There's no guarantee it wasn't messed up to begin with.

 

[1955moose]

Times like this I'm glad I've got a 2000. Hard to believe that Ford keeps making these electrical issues tougher and tougher. Bad enough that they soldered in a crappy relay to begin with, but to switch fuse boxes mid year, is just down right mean! And not knowing which one to buy.

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[Joe Latt]

Turns out box must be flashed to ECM, vin mismatch caused a bunch of errors.