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

Changes required to add intermitent wipers

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Old Feb 19, 2014 | 03:18 PM
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Changes required to add intermitent wipers

Hello all, 1985 F250 5.0L has the two speed wipers. I want to change it to the interval wiper system. I got a switch out of a 1984 F150 but my manual is vague as to what else is required. I know it can't be as simple as plug and play so I pose the question understanding I probably will have to dig into the harness etc. Am I missing additional hardware etc? Thanks for any help anyone can share with me. Richard
 
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Old Feb 19, 2014 | 03:40 PM
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You need the switch and the module - as shown in this thread from the stickies.
 
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Old Feb 19, 2014 | 04:03 PM
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And that switch has a wire that NEEDS to be grounded for the wipers to work.
 
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Old Feb 19, 2014 | 04:24 PM
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It's all in the Stickies/subforums..... read, and you shall learn................
 
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Old Feb 19, 2014 | 04:53 PM
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Thanks

I will attempt to get one of the module tomorrow. Plug and play that is my kind of project. Thanks everyone i just hope my harness on this 1985 matches up with the 84 that I got the switch off of. Richard
 
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Old Feb 19, 2014 | 04:57 PM
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They're all the same up into the '90's
 
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Old Feb 19, 2014 | 05:10 PM
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Jim thanks for pointing out the ground wire.
 
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Old Feb 19, 2014 | 05:14 PM
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Some people miss it, or skip it.
Sometimes a person will knock or tear it loose while up there doing something else.
Then they ask why the wipers aren't working.

It has come up before on the forum, so I thought I should mention it.
 
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Old Feb 19, 2014 | 05:39 PM
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Being that it is mounted in plastic you have to complete the circuit so a lack of a ground wire could make you pull your last hair out of your head. Just have to see what tomorrow brings from the wrecking yard. The truck I am getting parts off of was wrecked but whoever owned it kept it clean and other parts have all been tip top shape.
 
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Old Feb 20, 2014 | 12:50 PM
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I added this feature to my '81 F100 and I like it a lot. works perfectly.
 
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Old Feb 20, 2014 | 02:14 PM
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I recently did this to mine also, and both the wife and I absolutely love it.
https://www.ford-trucks.com/forums/9...l#post13482656
 
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Old Feb 20, 2014 | 02:36 PM
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Amen! Did it to Dad's after driving in a drizzle and having to turn the wipers on, then off, etc. MUCH better.
 
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Old Feb 20, 2014 | 02:40 PM
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Originally Posted by Gary Lewis
Amen! Did it to Dad's after driving in a drizzle and having to turn the wipers on, then off, etc. MUCH better.
First-world problems....
 
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Old Feb 20, 2014 | 02:46 PM
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Originally Posted by ctubutis
First-world problems....
Maybe it's the Third World.
Maybe it's his first time around. (Paul Simon - You Can Call Me Al)

Can't say how many times I've been around.
 
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Old Feb 20, 2014 | 10:54 PM
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Interval wiper's on a 85 Bullnose

Gary, I found all the parts at a junk yard installed it tonight and it worked perfectly. It was just as everyone said plug and play from the word go. Thanks everyone for taking the time to answer my question. Richard
 
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