no spark?

1991 JEEP CHEROKEE
180,000 MILES • 4.0L • 6 CYL • 4WD • AUTOMATIC
Avatar
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
Avatar
JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,244 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
Image (Click to enlarge)
Attached Media
Dec 22, 2022 at 2:53 PM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle