Wiper troubleshooting question - JeepForum.com
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post #1 of 5 Old 06-22-2004, 09:18 PM Thread Starter
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1984 CJ7 
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Location: Augusta
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Wiper troubleshooting question

My wipers in my '84 CJ7 have stopped working on all speeds but the fastest (i.e. no intermittent or slow speed). I was driving along in a rainstorm and I smelled a burning smell and then the wipers quit (were on slow speed). I then clicked the switch off and then back on only to find that they now only work in the fastest setting. As I mentioned previously, I have the intermittent wiper option so there is a black plastic box (I've heard it called both the "wiper governor" and the "wiper modulator"...is a black box with the AMC logo and part #3728007 on the side of it) with wires running to the dash switch and to the wiper motor. I tried replacing the wiper dash switch and this did not fix the problem. Is the wiper governor that I described above the culprit? Anyone else experienced this problem? Anyone know where to get this part other than the Jeep dealer (who by the way wants $151 for the part which is non-returnable if it turns out to not to fix the problem.) Thanks in advance for your opinions and time.

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post #2 of 5 Old 06-23-2004, 09:10 AM
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1984 CJ7 
Join Date: Aug 2002
Location: Downingtown, PA
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Check ebay for guys selling the intermittant wiper setup on the cheap. Before i spent 150 bucks on this, i'd do that or consider going to the cheap 2 speed setup that most CJ's have.

I used to own two CJ's...Perhaps a 3rd is in the future?
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post #3 of 5 Old 06-23-2004, 09:24 AM Thread Starter
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Also, tried replacing the wiper motor too

I failed to mention that I tried replacing the wiper motor too just in case that could have been the culprit. Again, the wipers only worked on the highest speed...which has lead me the the present point of the "wiper governor". I just want to make sure this time that I replace the right part as I'm tired of driving back and forth to the 4wd store and don't want to purchase a $151 part that is non-returnable if it turns out not to fix the problem.
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post #4 of 5 Old 05-01-2011, 10:30 AM
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it seems as though these intermittent govenors are made of gold... A box full of diodes, 8 wires and 2 plugs.
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post #5 of 5 Old 05-01-2011, 04:29 PM
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1984 CJ7 
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Mine is an 84' and the box says ford on it. I also have one in my 88' gmc that looks exactly the same. It would seem to me that it is a generic part that fits many vehicles.
I would go to a junkyard and see what they say.
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