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Unread 05-08-2013, 09:01 PM   #16
travisrda
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1984 CJ7 
 
Join Date: Aug 2009
Location: redmond
Posts: 125
Well guys i went and cleaned the battery post terminals and it fired right up. Then i checked the volt meter and it was barely reading 12 volts so i think that the alternator went out and took my battery with it? idk i put in another alternator and fired it up and the volt meter was reading about 14, seems to be working fine now, i think i will go have the alternator checked tomorrow to see if it is bad or not.

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Unread 05-08-2013, 09:55 PM   #17
Matt1981CJ7
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1981 CJ7 
 
Join Date: May 2011
Location: Elbert, CO
Posts: 10,019
Ignition Control Module.

Matt
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Unread 05-09-2013, 02:33 AM   #18
John Strenk
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1976 CJ5 
 
Join Date: Feb 2005
Location: Shalersville Ohio
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Quote:
Originally Posted by Matt1981CJ7 View Post
Ignition Control Module.

Matt
what???

he has it running...
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Unread 05-09-2013, 05:11 AM   #19
Matt1981CJ7
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Quote:
Originally Posted by John Strenk View Post
what???

he has it running...
Some things are just too easy, John. Nice call.

Matt
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Unread 05-09-2013, 07:01 AM   #20
John Strenk
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BKEESE had it first.....

Dead Alternator then the battery terminal comes loose. Dead Jeep.
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Unread 05-09-2013, 07:14 AM   #21
bkeese
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1949 CJ3A 
 
Join Date: Nov 2010
Location: Clarksville, Maryland
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I'm still not convinced it's fixed. If it does it again it will be the terminals on the ECM. Use a Jeweler's file to clean the pins in the connector. The ECM corroded terminals and corroded battery terminals act exactly the same. It will start 10 times and then be dead, maybe interior light. Hit the horn and then nothing, horn draws alot of power. Come back 1/2 hour later and it starts and drives away. I chased that for longer than I'd like to tell on my Final Edition Wagoneer. I purchased a new ECM and it started right up for a few weeks and then the same thing. I used a tiny file and cleaned the pins in the connector, that fixed it until the next time. I suppose you should clean the pins and then use white grease in the connector to keep water from corroding the pins again. I think after you file then you might remove some of the protective coating, because it doesn't last as long. White grease or maybe di-electric grease should do it.

Good luck

PS I kept a set of files in my glove box, also great for cleaning trailer plugs. $5 on sale at Habour Freight or $5 at Carlisle last week.
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1985 CJ7 - total customization underway, Sublime green and Plum crazy purple, Ford 9", 258 w/ Holley 475
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