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Q: coil pack testing on 1994 Ford Ranger

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How do you test the primary circuit on the coil packs? 1994 2.3L
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get a wiring diagram and look at the voltage. you need power to the coil first. then you need resistance across the 2 primary terminals. that spec is available in a manual or on alldata or mitchel. then the return or other wire goes back to the ecm and is gorunded when commanded .

Roy
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