Will the pcm cause the coolant fan motor to constantly run and blow fuses?

Tiny
ROGERANDLORI
  • MEMBER
  • 1994 FORD ESCORT
  • 12,000 MILES
When I hook the coolant fan motor up, it blows fuses and the car won't crank. Replaced the motor and have tried every combination possible on the wiring. It either blows fuses or when I turn the ignition off, the car still runs. The fan also continuously runs when the car does crank.
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Friday, March 23rd, 2012 AT 11:52 PM

3 Replies

Tiny
RASMATAZ
  • MEMBER
It either blows fuses or when I turn the ignition off, the car still runs. Inspect and test the ignition switch could be shorting out internally causing the overload
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Sunday, March 25th, 2012 AT 12:23 AM
Tiny
ROGERANDLORI
  • MEMBER
Thanks for the reply. Replaced the ignition switch, still does the same thing. Any advice would help.
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Tuesday, March 27th, 2012 AT 12:10 AM
Tiny
RASMATAZ
  • MEMBER
You have a direct short circuit to ground from the coolant fan thru the relay/s and to the computer
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Tuesday, March 27th, 2012 AT 1:40 AM

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