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Re: pcm control alternator
Posted to Technical Discussion Forum on 4/28/2023

James,

The circuit has an in-line resistor... Don't know why it's there but that's what the pattern shows.

You can see the same thing in the old Ford TFI systems in the IDM circuit (Ignition Diagnostic Monitor)... The IDM was a heavily resisted ign coil pr... Login to read more.