The power locks on my 1996 F-250 stopped working. Strange enough, when I turn on the truck, the locks engage. Turn off the truck, locks disengage.

The truck has an alarm but I don't know if it is OEM or if it works the locks (fcc id J5523518T1 or TI

Anybody have any ideas?
Rodney

 

Be sure you review pages 111 to 113 in the 96 user manual.
If the answer is not there you may have an added system modification.
Good luck..