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No spark?

Tiny
JUNIOR2022
  • MEMBER
  • 1991 JEEP CHEROKEE
  • 4.0L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 180,000 MILES
I have a 1994 jeep Cherokee that I put a motor in out of a 1991 Cherokee, swapped engine harness and all plugged everything back in. I am not getting spark I have replaced the crank sensor and checked the distributor still nothing can't find a diagram to tell me where the coil pulls power from
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Thursday, December 22nd, 2022 AT 2:51 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
The ignition coil is powered by the ASD relay and controlled by the engine controller. I attached the only schematic I could find below. I highlighted the relay, the power wire to the coil, and the coil.

Let me know if this helps or if you have other questions.

Take care,

joe
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Thursday, December 22nd, 2022 AT 10:53 PM

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