TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
Page 142 of 1205
TM 9-2320-387-24-l ELECTRICAL KNOWN INFO I SHORT CIRCUlT IN POWER LINES POSSIBLE PROBLEMS BODY CONNECTOR HARNESS ENGINE CONNECTOR HARNESS ROTARY SWITCH KNOWN INFO BODY CONNECTOR HARNESS OK POSSIBLE PROBLEMS ENGINE CONNECTOR HARNESS ROTARY SWITCH DISCONNECT THE PCB BODY CONNECTOR. KEEP THE ROTARY SWITCH IN THE STOP POSITION. IS THERE STILL POWER AT ANY CIRCUITS OTHER THAN THE LIGHTS? DIAGNOSTIC FLOWCHART - 1. STE/lCE-R TEST 90 (Page 2-507) 2. VISUAL REASON FOR QUESTION If the problem goes away, the short is in the body connector harness or the rotary switch. A2 1 Ir RECONNECT THE BODY CONNECTOR. DISCONNECT THE ENGINE CONNECTOR HARNESS. KEEP THE ROTARY SWITCH AT STOP. IS THERE POWER AT ANY CIRCUITS OTHER THAN THE LIGHTS? ST OPTIONS 1. STE/lCE-R TEST 90 (Page 2-507) 2. VISUAL REASON FOR QUESTION If the problem stays, it has to be a short in the engine connector harness. REPLACE THE ENGINE CONNECTOR HARNESS. GO TO STEP 1, PAGE 2-76 TO CONTINUE TESTING. 2-82