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International Automotive Technicians Network
Re: Ford TFI-IV nightmare
Posted to Technical Discussion Forum on 10/5/2021

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Craig, 7 amps can not, in and of itself, prevent an ignition coil from burning up. If the dwell is too high, even at less than 7 amps, the coil can fry.

A coil is a transformer, and under almost al... Login to read more.