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1993 Ford Ranger 4x4 Ext Cab electrical problems

I recently purchased a 1993 Ford Ranger 4x4 Ext Cab pickup truck that has several electrical items that are not working. When I bought it I knew that the power windows were not working, also found that the cruise control doesn't work. The power door locks also behave strangely, they are electric but do not have a lock/unlock button. When I try to lock or unlock the drivers door lock it always does the opposite, ie. if I unlock it, it will immediately relock itself, or if I lock it, it will immediately unlock itself. However if I lock or unlock the passenger door then the drivers door matches it. Also, when I purchased the truck I tested the 4wd and it worked fine, but has since not worked anymore. Another issue that may or may not be related was a problem with the fuel pump. We thought the fuel pump was going bad when it wouldn't restart on several occasions, but after replacing the pump we figured out the fuel pump relay was misbehaving. We swapped the relay with one of the others and it mostly worked, but I ended up buying a new fuel pump relay yesterday, so far so good. I have examined the wiring from the underhood fuse/relay panel to the firewall connector and see nothing out of order. I have taken the drivers door panel off and checked for voltage on the back of the power windows switches and did not find any voltage present. I have looked for anything out of order under the dash to the best of my ability but generally can't see the wires that go to the drivers door. I can't help but feel that some of these problems are related and was wondering if there is an electronic module that controls any of these functions. Any help would be greatly appreciated, as the air conditioning is starting to give me problems and I won't be able to drive it if I can't put the windows down. Thank you.

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  • spartnet Mar 29, 2009

    1993 Ford Ranger XLT power windows and locks do not work.

  • Coss May 11, 2010

    Has this PU been in an accident or a flood?

    Have you gotten a CarFax report on it?

    The electrical problems you are describing almost sound like it has been rebuilt.



6 Suggested Answers

  • 2 Answers

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Posted on Jan 02, 2017

  • 11 Answers

SOURCE: can you help with driver door electrical problem?

FUSES or there was water in the a shorted it

Posted on Jul 28, 2008

  • 78267 Answers

SOURCE: fuse for brake lights blows

There is a short in the brake light wiring, that I guess you know, these types of problems have no common fix, each is different, did you add any wiring like for a trailer?

Posted on Nov 11, 2008

  • 1198 Answers

SOURCE: Test Electrical to Fuel Pump: 1991 Ford Ranger Ext Cab

The fuel pump safety switch is located in the cab on the toe board to the right of the transmission hump. Also check the fuel relay, it's under the hood with the other relays by the big fuses. Get a Chilton book.

Posted on Apr 26, 2009

  • 1 Answer

SOURCE: 2000 Ford Focus electric locks/acuator failure recurring problem

I would follow their recommendation as I had the same problem with my car. They unhooked the power to that door and it was fine. The problem was a short in the wiring in the door that was causing the problem. So maybe get them to check the wiring in the door as well.

Posted on May 26, 2009

  • 1486 Answers

SOURCE: Fuel pump will not work

there is a fuel reset button under the hood with a rubber it to reset the fuel pump.good luck.

Posted on Jun 28, 2009

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