Section 03-14: Engine Controls, Electronic
1994 Mustang Workshop Manual
REMOVAL AND INSTALLATION

Safeguards

  1. Always disconnect battery ground cable (14301) prior to service or replacement of electronic engine controls.
  1. Follow Diagnostic Procedures as outlined in the Powertrain Control/Emissions Diagnosis Manual.
  1. Disconnect electronic engine controls from wire harness before measuring for continuity-resistance or energizing by way of a 12 volt source.
  1. Never measure voltage or resistance directly at the powertrain control module (PCM) (12A650) .