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automatic locks on f150 stopped working...

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New User

Apr 13, 2009, 10:33 AM

Post #1 of 4 (712 views)
automatic locks on f150 stopped working... Sign In

I have a 1999 ford f150 extended cab v6 with auto locks and windows. about a month ago the auto locks stopped working. I just tried to flip the lock/unlock switch and nothing happened. The windows still work. both door locks went out at the same time, so I don't think its the lock motors (what are they odds they go out at the same time?) there's no sound when I hit the switch. I checked the fuse and it was good, i even cleaned it and replaced it and still nothing. At this point I am not sure what to do, I don't want to pay someone $50 an hour to just hook something in or whatever, if anyone knows of anything I can try or any more info you need?

Tom Greenleaf
Ultimate Carjunky / Moderator

Apr 14, 2009, 8:28 AM

Post #2 of 4 (706 views)
Re: automatic locks on f150 stopped working... [In reply to] Sign In

Check the fuse for power at both sides. Relays can cause this in a heartbeat. Owner's manual should say where it is and for a test see if it is identical for an A/C relay and swap them (look for identical markings on relays!) and if that works go get the new one,

Long retired now

New User

Apr 14, 2009, 8:47 AM

Post #3 of 4 (699 views)
Re: automatic locks on f150 stopped working... [In reply to] Sign In

I don't think I quite understand. The fuse looks fine, but just to be sure I switched it out with the same type of fuse that was definitely working and the locks still didn't work (in the fuse box under the hood where the owners manual said the power lock fuse was). Still don't work. Was there something else you were telling me to do, and if so can you explain it a little more please, or is there anything else that could be wrong?

Tom Greenleaf
Ultimate Carjunky / Moderator

Apr 14, 2009, 8:56 AM

Post #4 of 4 (696 views)
Re: automatic locks on f150 stopped working... [In reply to] Sign In

Use a test light and see if power is at the fuse! If power doesn't even get to it we gotta chase down why. If power is there then it would have a problem between that and the next item that should and doesn't show power,

Long retired now

automatic locks on f150 stopped working...

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