post #1 of Old 02-22-2014, 11:06 AM Thread Starter
JMAC90YJ
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90 yj will not start

I have a 90 YJ 2.5 5 speed.
It has only sat for abot a week without being started this winter.
Today I tried to start her and nothing, battery is fine no loose battery wires, I cannot even hear the fuel pump kick on, the needle on the amp guage does not move and the only thing that works in the cig lighter,
Please tell me where to start looking.


SOME PEOPLE ARE LIKE SLINKIES - NOT REALLY GOOD FOR ANYTHING BUT THEY BRING A SMILE TO YOUR FACE WHEN THEY'RE PUSHED DOWN THE STAIRS.
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post #2 of Old 02-22-2014, 11:17 AM
dancytron
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Bad battery cables, especially the big ground cable to the engine. They can look fine and be totally ruined and corroded inside.

Also, follow the small positive cable to the starter relay. It will be on a post with 5 or so 10 gauge wires. Each 10 gauge wire starts with a fusible link. This is the power supply for the whole jeep except for the starter. Clean it up, check continuity of fusible links.
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post #3 of Old 02-22-2014, 03:41 PM
jaycal3
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Fuses and ground.... As stated, check the negative battery cable at the block...

Sent from my iPhone using JeepForum... So excuse the typos, my iPhone is challenged.

93 YJ, 6 cyl,3.5" BDS,1" Prothane BL,1/2" booms, 33" Mickey Thompson MTZ on MT Beadlocks.

Do your part for Leukemia research - help find a cure.
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post #4 of Old 02-22-2014, 04:11 PM
rwcook49
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Agreed. After checking the battery cables and fuses, check the fusible links down on the firewall. If one is blown you won't start.

'90 YJ, 4.0L, Old Man EMU, 2.5" Body, 33" BFG A/T, ARB front and rear, 4.56 gears, Superwinch 9.0c, Mastercraft rubicon seats
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post #5 of Old 02-23-2014, 08:11 AM Thread Starter
JMAC90YJ
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Eureka

Thanks everyone, I removed main ground wire, cleaned the block stud replaced the ground cable and eureka it worked.

SOME PEOPLE ARE LIKE SLINKIES - NOT REALLY GOOD FOR ANYTHING BUT THEY BRING A SMILE TO YOUR FACE WHEN THEY'RE PUSHED DOWN THE STAIRS.
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post #6 of Old 02-23-2014, 09:19 AM
jaycal3
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Quote:
Originally Posted by JMAC90YJ
Thanks everyone, I removed main ground wire, cleaned the block stud replaced the ground cable and eureka it worked.
Awesome! I only knew the issue might be at the block because I had the same problem. Congrats!

Sent from my iPhone using JeepForum... So excuse the typos, my iPhone is challenged.

93 YJ, 6 cyl,3.5" BDS,1" Prothane BL,1/2" booms, 33" Mickey Thompson MTZ on MT Beadlocks.

Do your part for Leukemia research - help find a cure.
http://mskcc.convio.net/goto/Jay_Calabrese
KCCO
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