TM 9-2320-280-20-1
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
NO
2-336 Change 1
RECONNECT ALL WIRING (RECON-
NECT ENGINE CONNECTOR LAST)
AND RECHECK WAIT-TO-START
LAMP OPERATION. WITH THE
ROTARY SWITCH IN THE “RUN”
POSITION, DOES THE
WAIT-TO-START LAMP COME ON ?
GLOWPLUG
CONTROLLER OK
PCB/DISTRIBUTION BOX
REPLACE
PCB/DISTRIBUTION
BOX
NO FAULTS
FROM C6,
Page 2-334
C7
CONNECT THE WIRES
You may have fixed a loose
or dirty connection without
knowing it.
DIAGNOSTIC FLOWCHART
INSTRUMENTS CIRCUIT
YES
