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Mike S.
Mike S., Chevy Mechanic
Category: Chevy
Satisfied Customers: 7433
Experience:  ASE Certified Master Technician
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Coils are getting hot and melting, 2000 tracker, Yes and i

Customer Question

Coils are getting hot and melting
JA: What is the model/year of your Chevy?
Customer: 2000 tracker
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: Yes and i had to put new coil connector on i need wiring color codes
JA: Do you have a scan tool to read the codes?
Customer: Yes no dtcs
JA: Anything else you think the mechanic should know?
Customer: What causes the coils to get hot
Submitted: 1 year ago.
Category: Chevy
Expert:  Mike S. replied 1 year ago.

how much voltage do you have going to the coil primary circuits, perhaps your alternator regulator is stuck and the alternator is putting out the maximum voltage that it can, perhaps like 17 volts and the coils cannot handle that for very long.

If you give me the engine that came in it, I'll look up the wiring diagrams.

Customer: replied 1 year ago.
2.0 the cars not running the coils get hot when i turn the key on #2. And #3
Expert:  Mike S. replied 1 year ago.

Ok, but still how much voltage do you have going to the coil primary circuits?

Expert:  Mike S. replied 1 year ago.

You should check the grounds also, you can use a voltmeter to check the voltage drop across the ground circuits. Hook the positive end of the voltmeter to the negative ground wire of the coil you are testing as close to the coil as possible, the attach negative voltmeter test lead to the negative battery post, then turn the key to run and note the voltage. It should not be more than 0.2 volts. If you have more coils, test them all in the same manner.

Customer: replied 1 year ago.
Im not at the car right now ill contact you after i check the grounds
Expert:  Mike S. replied 1 year ago.

Ok

Expert:  Mike S. replied 1 year ago.

Do you happen to have an aftermarket alarm system installed?

Customer: replied 1 year ago.
No alarm
Expert:  Mike S. replied 1 year ago.

ok

Expert:  Mike S. replied 1 year ago.

Did that answer your question? If so, kindly leave me a positive rating, so I get credit.

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