no spark?

1991 JEEP CHEROKEE
180,000 MILES • 4.0L • 6 CYL • 4WD • AUTOMATIC
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JUNIOR2022
  • MEMBER
  • 1 POST
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
Dec 22, 2022 at 6:51 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,240 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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Dec 22, 2022 at 2:53 PM
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