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1990 Jeep Cherokee

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Old 06-02-2018, 11:47 AM
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Default 1990 Jeep Cherokee

Ok anybody that wants to help cause I need it lol. Ok so a while back I put a new cps in (crank shaft position sensor) so after I did that it ran better fixed my problems then one day I’m driving to work and it shuts off so I thought it was the wiring to the cps so I cut the plug ins and wired it straight up. Well last week. I decided to fix it right bought the harness plug and the new sensor. Well put it all together and then I start for 1 second and I guess when the cps isn’t agreeing with what’s happening it cuts the spark not sure. But It starts and shuts off within a second. Any help I appreciate thanks.
Old 06-02-2018, 03:05 PM
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What brand CPS you using? Get a MOPAR if yours isn't.
Old 06-02-2018, 10:05 PM
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Check fuel pump ballast connection ...
Old 06-02-2018, 10:38 PM
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Originally Posted by Cody Huellinghoff
It starts and shuts off within a second.
Yea, check that ceramic resistor on the fender near the battery. YOu can bypass it permanently, or just to check.



In my sig are pictures and a link to Crusier"s stuff you should see.
Old 06-03-2018, 07:46 AM
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This could be an issue if not routed correctly. Also, the CPS can be tested.

http://cruiser54.com/?p=50
Old 06-04-2018, 08:36 AM
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Originally Posted by DFlintstone
Yea, check that ceramic resistor on the fender near the battery. YOu can bypass it permanently, or just to check.



In my sig are pictures and a link to Crusier"s stuff you should see.
already bypassed it but thanks👍👍
Old 06-04-2018, 08:36 AM
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Originally Posted by cruiser54
This could be an issue if not routed correctly. Also, the CPS can be tested.

http://cruiser54.com/?p=50
it’s white and red on red and white and black on white right? For the cps harness.
Old 06-04-2018, 02:04 PM
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That might be correct. Three wire plug with two wires left, (drivers side) of the valve cover.
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