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Cummins swap done, need tach signal help


snoranger

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The factory Tach on ALL EFI rangers is not run off the PCM, but off a specific tach signal from the ignition module. That signal is also sent to the PCM, but it is generated by the ignition module.

AD
I thought that they integrated the ICM into the PCM on the later ones. (I know they did one the '96+ Explorer.)
 


snake

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Truly bad-ass...
 

94 lngbd

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what tranny are you using behind that 4bt
 

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