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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

wipers work half the time

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Old Jul 19, 2003 | 08:00 PM
  #1  
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84stallion
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From: va
wipers work half the time

i have an '84 f250 w/ a bit of a problem. the windshield wipers don't wanna work all the time. sometimes they'll work when i first turn 'em on and sometimes they don't. the times they do work, they only work for a few mins. then stop or they'll only work on high for a few swipes. i've replaced the wiper motor and switch and it still does the same thing. what the hell is wrong w/ this thing?
 
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Old Jul 20, 2003 | 07:16 PM
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Scooter29
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From: Upstate NY Rochester
wipers work half the time

You may need a wiper delay relay, if you have intermittant wipers (no pun intended) or just the relay. Good luck and have fun....
 
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Old Jul 21, 2003 | 04:06 AM
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wipers work half the time

I had a similar problem on my '80- F250, ended up being the wiper motor ground wire was loose where it connects to the cowl.
 
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Old Jul 22, 2003 | 10:42 PM
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84stallion
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From: va
wipers work half the time

ok, i was thinking it might be the relay, only problem is that i don't know its location on the truck and i can't find the new part anywhere. anyone know itz location and where i can buy a new one...by the way the truck does have intermittant wipers... would also like to know the location of the wiper delay relay. thanx!!
 
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Old Jul 23, 2003 | 12:51 AM
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Mil1ion
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wipers work half the time

The modulator/governor is usually attached to the underside of the dash just below the wiper switch.

W/Wipers have a circuit breaker.
 
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Old Jul 28, 2003 | 03:59 AM
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bmuse
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wipers work half the time

I have the same basic problem on my86 F250, work some and stop, then slow on hi-speed only and then stop. I replaced the switch but with same results.

Is the relay/modulator is that 2"x2"x2" black box just forward/next to the wiper switch? I quess if the wiper moter was bad the wipers wouldn't work at all? When I called the parets house, they could not find and relay/modular for the wiper system.
 
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Old Jul 29, 2003 | 04:09 AM
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wipers work half the time

A quick update.... I went to the Ford Parts Counter and they have the part to fix intermittent wiper problem. It is called the Wipwr Modular/Govenor...cost $125.00.

I went to junkyard, found the same part for $10.00 and it worked.

I am very happy and thanks to those that have had input on this subject that I was able to get great information to even go in the right direction. Thank You.
 
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