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About Cliff B.
Expertise
I am ASE Certified Med/HD Master Tech but only work on Cummins engines. I have worked on them since 1989. I can answer questions about electronic or mechanical problems with heavy duty or mid range Cummins engines.(ISX, ISM, ISB, ISC, L10, M11, N14, 6C, and B series).

Experience
I have worked on Cummins engines since 1989.I am ASE certified Master Med & HD Truck Mechanic.

Education/Credentials
Nashville Auto Diesel College Graduate in 1984.

You are here: Experts > Autos > Trucks > Truck Repair > 2001 Ford Truck

Truck Repair - 2001 Ford Truck

Expert: Cliff B. - 10/24/2006

Question
What is a Coil?

Answer
Coil spring or the electromagnet kind?
They call it a coil because there is a iron core with copper wiring wrapped(coiled) around it and when electricity is run through the wire it makes a magnet.This is how a starter solenoid works.An ignition coil does about the same thing except they collaps the electric feild rapidly creating the high voltage for the spark plugs.This is the simple explanation and not the scientific one

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