'89 Cougar 3.8, unusual coil current

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Posted to Technical Discussion Forum on 11/21/2002 11 Replies

Hello all,

While diagnosing a low power complaint on an '89 Cougar today, I captured this ignition primary current pattern.

[1989 Mercury Cougar, Ignition - Primary Waveform]

I have no idea how to interpret this aside from "Wow, that TFI module looks rea... Login to read more.

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