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My power door locks have all but stopped working using either the door switch or keyless entry. I can hear clicking and see movement from both locks but nothing more.
Haynes manual states that "the switches activate a module which in turn connects voltage to the door lock solenoids." The wiring diagram refers to three relays (dvr's unlock, all lock, and all unlock) along with the Remote Anti-theft Personality (RAP) module but not the location of these items.
Does any one know were to find these relays and module on a '99 F-250 lgt dty, super cab, 4x4, 5.4ltr??
Sounds more like a bad ground or power. If there's not a Haynes manual made for your truck yet, try Bulldog's wiring diagrams or look for a service CD/DVD on eBay.
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