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Mike V.
Mike V., Auto Service Technician
Category: Jeep
Satisfied Customers: 25206
Experience:  25 years of experience, Certified Subaru Technician and Nissan factory trained.
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Have 1997 jeep Grand Cherokee v8. It keeps burning up coils.

Customer Question

Have 1997 jeep Grand Cherokee v8. It keeps burning up coils. Checked distrib. cap/rotar button and replaced coil wire to distributor. What are possible reasons for the coil to burn up?
Submitted: 1 year ago.
Category: Jeep
Expert:  Mike V. replied 1 year ago.

Hi there,

The most common issue for this is a broken ground wire. This could be the negative battery cable, or any of the ground straps that go from the engine to the firewall. The bad ground will cause a voltage fluctuation and cause the coil to burn up, melt or finally just stop working.

Check any grounds you can find on the engine and grounds that run from the back of the engine to the firewall.

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Thank you so much!

Expert:  Mike V. replied 1 year ago.

Hello again,

Do you need further assistance with this?