No spark

Tiny
FRANK LEUALLEN
  • MEMBER
  • 1999 JEEP GRAND CHEROKEE
  • 4.0L
  • 6 CYL
  • 4WD
  • 270,000 MILES
Turns over but no spark. Replaced coil pack and crankshaft sensor, but still no spark.
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Saturday, June 17th, 2017 AT 5:05 AM

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Tiny
KEN
  • ADMIN
Hello,

It sounds like you have an ASD relay that is not working. Here is some wiring diagrams (below) and a guide to help you do some testing, Also there are fuses that run the system as well.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

and

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

and

https://www.2carpros.com/articles/car-cranks-but-wont-start

Please let us know what happens, we are interested to see what it is.

Cheers, Ken

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Monday, June 19th, 2017 AT 11:10 AM

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