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Jeep Wrangler YJ
YJ General Discussion
Cranks, no start no spark issue.
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<blockquote data-quote="Lineman85" data-source="post: 426693" data-attributes="member: 19059"><p>90 yj 4.2, motorcraft 2150 carb, nutter bypass, brand new hei upgrade. Died on me in the driveway and now won't start. Cranks but no spark from coil. replaced ICM, starter Relay, getting 5.4v/Run and 12.1V/ Start at coil. Getting 12v run, and 12v start voltage at the icm. Resistance on the coil low side is about .8 ohms. Resistance from low to hi side of coil aprox 1,800 ohm. Any help would be greatly appreciated</p></blockquote><p></p>
[QUOTE="Lineman85, post: 426693, member: 19059"] 90 yj 4.2, motorcraft 2150 carb, nutter bypass, brand new hei upgrade. Died on me in the driveway and now won't start. Cranks but no spark from coil. replaced ICM, starter Relay, getting 5.4v/Run and 12.1V/ Start at coil. Getting 12v run, and 12v start voltage at the icm. Resistance on the coil low side is about .8 ohms. Resistance from low to hi side of coil aprox 1,800 ohm. Any help would be greatly appreciated [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Cranks, no start no spark issue.
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