Tools and Special Tools
Engine Shut Down and Cool
91B, Light Wheel Vehicle Mechanic
Visually inspect glow plug wiring for broken insulation and terminal damage. Inspect glow plug
for security of mounting. Glow plug may be tested while in the engine glow plug mount or
If removed ohms check glow plug as illustrated in Figure 1.
If testing while installed, isolate by removing glow plug wire and rail.
If installed in engine, test from glow plug terminal to ground.
Replace any glow plug(s) that are out of speciication.
END OF TASK