TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
Page 418 of 1205
TM 9-2320-387-24-l INSTRUMENTS CIRCUIT DIAGNOSTIC FLOWCHART - KNOWN INFO WIRE 27C OK WIRE 27D OK CIRCUIT BREAKER 1 OK WIRE 400D OK SWITCHOK POSSIBLE PROBLEMS WIRING MOTOR PCB IS THERE CONTINUITY FROM WIRE 57E AT THE HEATER FAN MOTOR-TO-BODY GROUND? 1. STEXE-R TEST 91 (Page 2-508) 2. MULTlMElER REASON FOR OUESTION This wire provides the motor’s connection to ground. I P5 I I IF THE PROBLEM CONTINUES, REPLACE THE HEATER MOTOR. RETURN TO THE INSTRUMENTS TEST, PAGE 2-305. 2-364