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Neal, Mechanic
Category: Car
Satisfied Customers: 8351
Experience:  Auto repair pro and Mechanic on multiple makes.
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My 1997 Jimmy 4.3L motor just stoped running at highway speed

Resolved Question:

My 1997 Jimmy 4.3L motor just stoped running at highway speed. Pulled over and was able to start it and get home. the condition got worse and there is no response to the first key position.The motor cranks but won't start. I tried a replacement vcm. No change.Im thinking ignition control module next.
Submitted: 5 years ago.
Category: Car
Expert:  Neal replied 5 years ago.

I'm Neal and I am here to assist you. Only accept when you are happy with my assistance. If I can't help I will open your Question to other experts.


So you are sure you are getting no spark?

Customer: replied 5 years ago.
With the key in the ignition there is no lights on the dash.
Expert:  Neal replied 5 years ago.
In that case I would say the ignition switch is the problem.
Customer: replied 5 years ago.
I think it might be the ignition control module. What do you think.
Expert:  Neal replied 5 years ago.
The ignition module will no prevent power from getting to the instrument panel but the ignition switch will. And if the ignition switch is not right it will not send power to the vcm and the ignition module.
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