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Home >> Mercury >> 1991 >> Grand Marquis GS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 5.0L >> Quick Test >> Equipment Hookup >> Notes

Equipment Hookup: Notes

Apply parking brake, and place shift lever in Park (A/T) or Neutral (M/T). Block drive wheels. Turn off all electrical loads. Connect appropriate test equipment to vehicle as follows.