Question about 1997 Ford Taurus
I have a 97 Ford Taurus with 160K miles. I have had an apparent wiring harness problem for the last 100K miles. Several related problems are present which I have lived with they include;
1. Intermittent drivers door open light "on" on dash along with;
2. Drivers door lock pops up if pushing door lock electric button on door console with;
3. Dome light on as if door is open however;
4. If door lock is manually pushed down electronics does not sense it and will not pop the lock back up so door stays locked while driving.
5. The car thinking the door is open also occurs when the car is turned off and parked and all the doors are closed firmly, the dome light stays on for an extended period. A circuit eventually overrides it and turns it off before it runs the battery down. The above problem is an intermittent and erratic one occurring about 1/2 of the times I drive the car.
I have taken the door apart to check the closing mechanism, can't find anything wrong with it. Or the wires.
6. In addition to the above, other electronic problems seem to be occurring in association with it. The service engine light comes on intermittently then goes back off on its own. The engine sometimes idles at 2000 rpm indicating probably something with EGR circuitry and now the drivers power seat stopped working. All motors have stopped at the same time indicating most probably a loss of power to the seat itself through the wiring harness. I checked the fuses, all fine.
I believe all these problems have a common denominator, probably shorts in the wiring harness somewhere perhaps caused by a wire overheating and melting the insulation off several adjacent wires. Someone did tell me a few years ago that the 97 Ford Taurus had a wiring problem along this line with melting wires and erratic electrical problems. I know a lot of power goes to the electric fans, I checked and these big fat wires do dive into the wiring harness in the front of the engine compartment. I looked a little in the wiring harness in this area and it seemed to be fine.
Has anybody heard of this? If this is a problem that some 97 Tauruses had what part of the wiring harness was the culprit? Where do I look?
Other than this the car has been great and I believe it has many miles of life left in it.
The fans are relay controlled, likely problem. Most current demanding componants have relays because a switch circuit would burn out. All your issures are very possibly relay issues. Find the relay bank and chk yhem for overheating, burn out, or plain ole malfunction. Good Luck, -Ned-
Posted on Jun 01, 2010
My question is: Can wiring a different radio/additional speakers lead to the following problem? When key is out of the ignition the wipers, door locks and door open beeper works. Also if the car is not driven for more than 8 or so hours something drains the battery. bought a brand new battery not the problem there. Is very frustrating.
Posted on Aug 02, 2012
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Posted on Jan 02, 2017
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