TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 1 Download
Page 392 of 890
TM 9-2320-280-20-1 KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS REASON FOR QUESTION KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS REASON FOR QUESTION KNOWN INFO POSSIBLE PROBLEMS NO YES NO YES 2-298 Change 1 STARTER CIRCUIT I1 DISCONNECT WIRE 11A AT ROTARY SWITCH. IS THERE BATTERY VOLTAGE AT WIRE 11A ? NO VOLTAGE AVAILABLE AT NEUTRAL SAFETY SWITCH. ROTARY SWITCH PCB/DISTRIBUTION BOX WIRING 1. STE/ICE-R TEST 89 (Page 2-750) 2. MULTIMETER Power must be available to rotary switch. GO TO J, Page 2-300 I2 BATTERY VOLTAGE AVAILABLE TO ROTARY SWITCH. ROTARY SWITCH PCB/DISTRIBUTION BOX WIRING 1. STE/ICE-R TEST 91 (Page 2-752) 2. MULTIMETER Continuity here indicates rotary switch is OK. REPLACE ROTARY SWITCH. RECONNECT 14A AT NEUTRAL SAFETY SWITCH I3 REPAIR WIRE 14A OR REPLACE HARNESS. ROTARY SWITCH OK WIRING I FROM G1, Page 2-290 DISCONNECT WIRE 14A AT ROTARY SWITCH . WITH THE ROTARY SWITCH TURNED TO START, IS THERE CONTINUITY BETWEEN THE “B” STUD AND THE “S” STUD ? DIAGNOSTIC FLOWCHART