Coil packs on 97 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 10-11-2002, 03:44 PM   #1
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Default Coil packs on 97

How do I test the coil packs, to make sure they are working correctly?

I have a digital multimeter i can borrow from work...

I'm replacing my car'* plugs and wires, hoping to get rid of the vibrations and hesitation.

Coil packs too if they are bad.

-Daron
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Old 10-11-2002, 06:48 PM   #2
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You'll have to remove them from the car to test them.

Check resistance between the primary coils. I should be between 0.5 and 0.9 ohms. The secondaries should be between 5k and 8k.

Here'* the pinout for secondaries......on the top (plug wire terminals) read 1-4, 5-2, and 3-6. Easy?

Primaries can be read from underneath.
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Old 10-12-2002, 01:52 PM   #3
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That'* right!!!
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