TM 9-2350-287-20-1
2-19. TROUBLESHOOTING CHART (continued).
g. GAGES (continued).
(2) ENGINE COOLANT TEMPERATURE GAGE FAILS
TO OPERATE PROPERLY, NEEDLE DOES NOT
MOVE, IS STEADY, OR INACCURATE. All other
gages operate properly (continued).
C. 7. Observe coolant temperature gage on in-
strument panel.
8. Turn MASTER switch OFF (refer to TM 9-
2350-287-1 O).
Does gage indicate maximum temperature?
Replace engine coolant temperature
transmitter (para 7-36). Verify problem is
solved.
D. 1. Reconnect wire 33A to engine coolant tem-
perature transmitter.
2. Disconnect harness 12268418-1 connector
at engine disconnect bracket.
3. Insert red multimeter probe into socket K of
harness connector 12268418-1 at engine dis-
connect bracket and black probe to ground.
4. Turn MASTER switch ON (refer to TM 9-
2350-287-10).
5. Check for 24 ± 3 vdc.
6. Turn MASTER switch OFF (refer to TM 9-
2350-287-10).
Is voltage indicated?
E. 1. Disconnect harness 12260287 connector
from drivers bulkhead disconnect.
Continued on next page
2-105
Repair wire 33A or replace harness
12268308 (para 7-50). Verify problem
is solved.