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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

88 F-250 Wiper Problems

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Old Feb 22, 2008 | 11:20 PM
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rusty88f250
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88 F-250 Wiper Problems

I have an 88 F-250 with some similar issues. Has anyone experienced a total loss of wipers? I, too, experienced the "no low or intermittent, but had high". Then last week, the high completely stopped working. I replaced the switch and now the relay box just clicks and clicks when I turn on the wipers, but no wiper movement? Any help?
 
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Old Feb 23, 2008 | 12:42 AM
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F150xlt
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When the wiper switch is in HI, 12 volts from the wiper switch goes directly to the wiper motor circuit 56 a Dark Blue/Orange wire. The ground for the motor is Circuit 57 Black wire.



 
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Old Feb 23, 2008 | 09:35 AM
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did you replace both the switch and delay module, or just the switch.? if just the switch was replaced, try replacing the delay module also.
whenever i have wiper problems, i first replace the delay module, and 99% of the time that fixes it.
 
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