Operation CHARM: Car repair manuals for everyone.

Home >> Jeep >> 1997 >> Grand Cherokee 4WD L6-4.0L VIN S >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Description and Operation >> Outputs >> Tachometer

Tachometer

TACHOMETER-PCM OUTPUT

The Powertrain Control Module (PCM) supplies engine rpm values to the instrument cluster tachometer.

pro multis · About Operation CHARM