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Old 06-24-2009, 07:21 PM   #1
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Jeep will not start but will crank

Hello,
Got an 88 Jeep wrangler with a 6 cylinder and it drove fine the night before but would not start in the morning. I am not getting any spark from the ignition coil so replaced the coil and still has no spark. Today remove and had the ignition control module tested at Autozone and it was ok.
Got 12 volts to the positive side of the coil but cannot get spark from the coil.
Has anyone had this problem?
Thanks!

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Old 06-24-2009, 08:30 PM   #2
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crank sensor

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Old 06-27-2009, 08:51 PM   #3
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88 Jeep Will Not start buts cranks over

Countrythunder,
Thanks for the reply! Where is the crank sensor located? Did not think this year had one.
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Old 07-05-2009, 06:15 PM   #4
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Cool

i have an 89, and there is no crank sensor on it. I recently ran into some ignition problems myself, interment voltage to the coil, thought I had it fixed, corroded wiring on the distributor pick up and other wiring connections, worked fine for a while, now I have low voltage on the coil when turning the ignition to start, and have battery voltage on the coil when not turning the ignition. Do you also have any of these same problems? I have also replaced the ignition module, to no avail.
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Old 07-06-2009, 06:21 AM   #5
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Do you have a ground strap from the tub (Firewall) to the battery?

These are dirt cheap, & check the ground from the battery to the block, & block to frame too.

There might be a ground wire for the distributor too.
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Old 07-06-2009, 03:51 PM   #6
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If there is no CPS (Crank Position Sensor) it could be the ECU (computer) Just had same symptoms (4banger) except my died at a stop light. Had the ECU replaced and was back up and running (until the shifting forks jammed)

Pat

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