2002 Taurus SES electrical system problem--bad fuse or bad grounding?

Asked by Jun 22, 2018 at 05:59 PM about the 2002 Ford Taurus

Question type: Maintenance & Repair

My 2002 Taurus SES has an electrical problem.
Is any or all of what I've listed below linked to 1+ bad fuses, or bad/faulty
What DOES still work:  headlights; doorlocks & power windows, but. . .;
What DOES NOT work:  windshield wipers; radio/CD player; rear window
defogger; lighter; door ajar signal.  
Sometimes, seat belt signal does not work.
Before this problem happened, there were times while driving the doors
would repeatedly unlock and re-lock on their own; sometimes, dome light &
panel lights would not turn off , or would turn back on again without any
PLUS:  I can lock doors using the button, but they will not lock automatically
while driving.
PLUS:  Power windows will work after a couple of minutes.
Also: dome light will usually not work when driver door is open; left rear door
will not unlock automatically all the time; AND
Keys cannot manually open either L or R from doors--they can be unlocked
How can I best solve this problem effectively?

1 Answer


Would get a wiring diagram if your going at it alone. If not have a factory service scan done, may save lots of time. From what you mentioned it could be module related such as the GEM module. Would also check for water infiltration and dried out or cracked wiring to harness. Good Luck!

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