ENGINE INDICATOR DOES NOT LIGHT.

TM 3-1040-279-12&P

TROUBLESHOOTING (CONT)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Check vehicle cable.

Step 6.

Disconnect cable assembly from 1J3 or 1J4 (No. 1 or No. 2 generator) at control panel.

Check continuity between sockets C and F of connector 1J3 or 1J4.

If continuity is obtained, vehicle cable assembly is defective. Refer to TM 9-2350-261-20-

1 for equipment mounted on M1059 vehicles or TM 3-1040-280-20&P for equipment

mounted on M1037/M1097 vehicles.

If continuity is not obtained, repair control panel wiring (P. 4-127) or replace fuel switch

(P. 4-110) as required.

5. ENGINE INDICATOR DOES NOT LIGHT.

Check ENGINE indicator lamp.

Step 7.

Set circuit breaker CB1 and POWER switch to ON.

Press lens of ENGINE indicator.

If lamp does not light, replace lamp (P. 4-110).

If lamp lights, go to next step.

Follow starting procedure and check that engine starts.

Step 2.

If engine does not start, set ENGINE, FUEL, and POWER switches to OFF and go to

malfunction 13.

If engine starts and ENGINE indicator does not light, set FUEL and POWER switches to OFF

and go to next step.

Check engine run thermal switch S104 circuit.

Step 3.

Set ENGINE switch to RUN.

Disconnect cable assembly from 5J1 at smoke generator.

Check continuity between sockets D and G of cable assembly.

If continuity was obtained, replace engine run thermal switch S104 (P. 4-106) or cable

assembly 5J2 (P. 4-67).

If continuity was not obtained, go to next step.

Step 4.

Check vehicle cable assembly.

Disconnect cable assembly from connector 1J3 or 1J4 (No. 1 or No. 2 generator) at control

panel.

Check continuity between sockets D and G of 1J3 or 1J4.

4-11

Change 4