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Old 05-03-2008, 01:03 AM   #1
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jump start gone wrong

Helped someone jump start their '95 Wrangler today but he hooked up the cables on his end in reverse.



From what we can tell he blew 2 - 50 AMP fuses (maybe not), but either way the car still woudn't start even after we replaced them; it just keeps turning but not over - like its missing something.

Any ideas as to where we can start looking for problems?

Thanks.

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Old 05-03-2008, 01:04 AM   #2
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Skeeter had a similar thread just recently.

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Old 05-03-2008, 08:19 AM   #3
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ECM
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Old 05-03-2008, 10:44 AM   #4
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Check every single fuse with the key on and use a test light. Don't just pull em and look at em, you can't always see the break. There is the possibility it could be the ECU. My friend did the same thing to his sentra and I think he ended up in replacing the ECU.

On a side note - One of my coworkers found a defective fuse on one of our fire trucks. The fuse DIDN'T blow like it was supposed to. The wire, fuse holder and fuse plastic housing(blade type) all melted off but the wire was still intact.
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Old 05-03-2008, 10:56 AM   #5
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ECM
Just cooked mine doing the same damn thing.
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Old 05-03-2008, 05:18 PM   #6
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ECM
Just cooked mine doing the same damn thing.
how'd that end up, did you get a used ecu, what was it out of?
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Old 05-03-2008, 06:10 PM   #7
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still trying to find out if I can use one out of a Cherokee.
Nobody has a 91 wrangler computer sitting around for a decent price.
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Old 05-03-2008, 06:23 PM   #8
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so do you know if thats the fix yet or not?
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Old 05-03-2008, 07:39 PM   #9
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Im surprised the battery didnt blow!?.

My buddies did.

dAvE
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Old 05-03-2008, 09:53 PM   #10
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so do you know if thats the fix yet or not?
I won't know for sure till I actually get a new one but I've been all over the thing and can't find anything else wrong.
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Old 05-03-2008, 10:12 PM   #11
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I won't know for sure till I actually get a new one but I've been all over the thing and can't find anything else wrong.
make sure you post up when you get that in, i wanna know if that was it.
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Old 05-03-2008, 11:37 PM   #12
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$110 an okay price for an ECU? I think a 95 ECU works in a 91...
http://cgi.ebay.com/ebaymotors/91-95...spagenameZWDVW
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Old 05-04-2008, 01:16 AM   #13
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Thanks for the input everone.

Showing my ignorance, but what is an ECU?

Checked all fuses and nothing wrong with any of them - the problem may be a little worse than previously thought.

Took it to a mobile mechanic - guess we'll see. Group of Jamaican dudes running the shop. Those guys can fix pretty much anything - neccesity being the mother of invention.

As soon as I have an update I will let you know.

Thanks again.
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Old 05-04-2008, 07:09 AM   #14
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ecm replacement

Go by the numbers on the ecm some years are hard to find used. When mine went I hard time finding one at first. A buddys jeep was the same year.and drivetrain and his was a different ecm. I ended up buying mine through a guy on ebay who sells jeep parts. he was decent on the price and the shipping. if this helps his email is eastcoastjeeps@aol.com. good luck.
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Old 05-04-2008, 09:42 AM   #15
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ECM=Engine Control Module
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97 tj 4.0 Auto 4"RC lift 33x12.50 mud rovers on outlaw IIs . Smitty bumpers
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Old 05-04-2008, 11:08 AM   #16
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engine control module= confuser, i mean compooter, i mean computer. in case you wanted it dumbed down a couple more times. j/k
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Old 05-04-2008, 07:58 PM   #17
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Thanks for the email scrambler1 (eastcoastjeeps@aol.com).

I'll give them a buzz if this goes down that route.

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