TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks
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TM 9-2320-361-24-1 0014 00 0014 00-2 INDICATORS, GAUGES, AND WARNING SYSTEM TROUBLESHOOTING (Contd) MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 1. ALL GAUGES INOPERATIVE NOTE If STE/ICE-R is available, perform NG31 gauge test (WP 0018 00). Test 1. Test starter for proper operation. 1. Turn power accessory switch to ON position. 2. Turn start button. Test 2. If problem is still present, test instrument cluster voltage. 1. Turn power accessory switch to OFF position. 2. Remove instrument cluster panel (WP 0093 00). 3. Verify battery ground cable is connected (WP 0126 00). 4. Connect jumper wire from instrument panel to good frame ground. 5. Disconnect lead 27 from temperature gauge. 6. Use multimeter or 24 volt test lamp to check voltage on contact end of lead 27 at gauge. 7. Place positive lead on contact end of lead 27. 8. Place negative lead on frame ground. 9. If battery voltage is present, go to WP 0014 00, table 1, malfunction 2. 10. Set multimeter to RX 1 scale. 11. Check continuity of lead 27. 12. Disconnect lead 27 from front wiring harness. Verify that proper voltage is present. 1. If starter cranks engine, go to test 2. 2. If starter does not crank engine go to WP 0012 00, table 2, malfunction 1 and troubleshoot starter circuit. If continuity is not present, repair or replace lead 27 (WP 0090 00). Table 1. Indicator, Gauges, and Warning System Troubleshooting.