FixVault
Home
›
GMC
›
1994
›
Forward Control 7.4 N
›
Repair and Diagnosis
›
Engine Performance
›
System
›
Engine Controls - System/Component Tests - 6.5L Diesel
›
Fuel System
›
Hard Start
›
Additional Checks
Additional Checks
Check for no crank signal on scan tool
Check the Service Bulletins for control module software updates.
Fig 1: Diesel Glow Plug Circuit
Courtesy of GENERAL MOTORS CORP.
Courtesy of GENERAL MOTORS CORP.