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It's junk. Turns over no spark. 93 caprice. We replaced coil…

Customer Question
Turns over no spark ...

Turns over no spark

Mechanic's Assistant: What year is your Chevy?

93 caprice

Mechanic's Assistant: Are you fixing your Caprice yourself? What have you tried so far?

We replaced coil and cap and rotor

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

It just shut off traveling down the interstate

Submitted: 2 months ago.Category: Chevy
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Answered in 1 minute by:
12/22/2017
Chevy Mechanic: Jaybird61, ASE Certified Master Technician replied 2 months ago
Jaybird61
Jaybird61, ASE Certified Master Technician
Category: Chevy
Satisfied Customers: 2,304
Experience: Automotive Instructor at Palm Beach State College
Verified

Hi, My name is Jay

What is the engine size you have?

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Customer reply replied 2 months ago
5.0 v8
Chevy Mechanic: Jaybird61, ASE Certified Master Technician replied 2 months ago

The distributor ignition module and pickup coil will most likely be the cause of the not start no spark. I can help you do some tests to check but will need a test light.

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Customer reply replied 2 months ago
We replaced the coil cap and rotor. We have no power going into the distributor??
Chevy Mechanic: Jaybird61, ASE Certified Master Technician replied 2 months ago

Do you have power to pink wire at coil with key on?

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Chevy Mechanic: Jaybird61, ASE Certified Master Technician replied 2 months ago

The pink wire also goes to and powers distributor. Need to know if you have power on the pink wire at coil and module with key in on and start position?

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Customer reply replied 2 months ago
I'll check
Chevy Mechanic: Jaybird61, ASE Certified Master Technician replied 2 months ago

If you have no power to pink wire then need to check pink wire at ignition switch on steering column with key on and start to see if ignition switch is bad?

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Customer reply replied 2 months ago
No power at the pink wire on coil
Chevy Mechanic: Jaybird61, ASE Certified Master Technician replied 2 months ago

Check fuse number 13 in fuse box for power and good fuse with key on? This is power from ignition switch to coil and module.

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Chevy Mechanic: Jaybird61, ASE Certified Master Technician replied 2 months ago

If you have no power at fuse 13 with key on then go to ignition switch and check pink wire there to see if switch is giving power with key on. You most likely have a defective electrical ignition switch.

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Customer reply replied 2 months ago
Fuse good power to both sides
Chevy Mechanic: Jaybird61, ASE Certified Master Technician replied 2 months ago

Check power from ignition switch to pink wire and then may need to check the wire from coil and follow harness back to where it goes into fire wall. If you have power at pink wire at ignition switch but not at coil then need to check where harness goes through fire wall.

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Customer reply replied 2 months ago
Ok thank you I'll keep checking
Chevy Mechanic: Jaybird61, ASE Certified Master Technician replied 2 months ago

The pink wire to coil and module does not go through a fuse but same wire from ignition switch power fuses 13 and 17. The ignition switch will have a splice that goes straight to coil and another to fuses inside. You may have a connector on engine harness that has pink wire that is a weak link that should be checked.

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Chevy Mechanic: Jaybird61, ASE Certified Master Technician replied 2 months ago

If you have no other questions for me then please enter a 5 star rating so I get credit for assisting you and can then close out question for you. Thanks and Happy Holidays.

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Chevy Mechanic: Jaybird61, ASE Certified Master Technician replied 2 months ago

If you have no other questions for me then please enter a 5 star rating so I get credit for assisting you and can then close out question for you. Thanks and Happy Holidays.

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Jaybird61
Jaybird61, ASE Certified Master Technician
Category: Chevy
Satisfied Customers: 2,304
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Experience: Automotive Instructor at Palm Beach State College

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