TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
Page 422 of 1205
TM 9-2320-387-24-l KNOWN INFO WIRE 27C OK POSSIBLE PROBLEMS WIRE 27D CIRCUIT BREAKER 1 IS THERE CONTINUITY FROM WIRE 27D AT THE HEATER FAN SWITCH TO WIRE 27D AT CIRCUIT BREAKER l? DIAGNOSTIC FLOWCHART 1 TEST OPTIONS 1 1. SIX/ICE-R TEST 91 (Page 2-508) 2. MULTIMETER REASON FOR QUESTION Continuity indicates that the wire is OK, and the circuit breaker must be the problem. 1 REPLACE CIRCUIT BREAKER 1. RETURN TO P3, PAGE 2-362. 2-368