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Home >> Ford >> 1987 >> Cutaway 6.9 1 >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - 6.9L Diesel >> Testing >> Glow Plug System Test >> "Wait To Start" Light Stays On

"Wait To Start" Light Stays On

Disconnect "Wait To Start" light connector at controller. Turn ignition on. If light glows, service wiring to light. If light stays off, disconnect power to both batteries. Replace controller unit.

"Wait To Start" Light Does Not Go On

Disconnect "Wait To Start" light connector at controller. Connect jumper wire from harness side to ground. Turn ignition on. If light glows, go to ENGINE CRANKS BUT WILL NOT START  in TROUBLE SHOOTING. If light stays off, replace bulb or service wiring.