Indicator Does Not Glow, Engine Starts OK

CHECKING GLOW BULB AND ITS WIRING

Problem:
Preglow indicator lamp fails to light up when turning on the preglow system despite start readiness.





- Pull 6-pin coupling off preglow time relay, turn key to position "2", bridge jacks 1 and 3 of the coupling.

- If the preglow indicator lamp fails to light up, check or replace glow bulb.





- If the glow bulb is OK, check black wire from coupling jack 3 of the preglow time relay to the preglow indicator lamp for an open circuit. Eliminate open circuit.

- If the preglow indicator lamp lights up, the preglow time relay is defective, replace preglow time relay.

- Lamp lights up permanently. Preglow time relay defective (relay sticking).