Indicator Does Not Glow, Engine Starts OK

CHECKING GLOW BULB AND WIRING

Checking glow bulb and wiring. If preglow indicator lamp fails to light up when switching on the preglow system despite opportunity to start.





- Pull 4 or 5-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 the black cable from the coupling jack 3 of the preglow time relay up to the preglow indicator lamp for open circuit. Eliminate open circuit.

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