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New here, I have an odd power door lock issue on my 99 f 250 CC I cannot figure out.
I can get into programming mode and program my key fob and all door locks work as they should. Lock the doors at night and sometimes by morning the power door locks quit working.
Neither the key fob or door switches work. But the interior light works as though tne door locks are working. Lights when i press unlock on key fob, goes out if i press lock.
I can re program them and they will work fine until they decide not to.
Brand new batteries in truck and key fob.
All grounds are good, power windows and mirrors work even when door locks decide not to.