TM 9-2320-362-14&P
Table 3-2.
Unit Troubleshooting (Cont’d)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
7.
COOLANT TEMPERATURE GAGE DISPLAYS NORMAL READING AND STATUS INDICATOR
ALARN AND LIGHT ARE ON (Cont’d)
Step 7.
Reconnect cable W66 to connector 12J2 on tach/hourmeter
box .
Step 8.
Check “T” connection on cable assembly W66 at wire 33.
If “T” connection is loose, tighten connection.
If “T” connection is NOT loose, replace faulty “T”
connector or cable assembly W66 (para 3-26).
END OF TESTING
8.
COOLANT TEMPERATURE GAGE DISPLAYS COLD ENGINE READING AND STATUS
INDICATOR ALARN AND LIGHT ARE ON (REFER TO FIGURES 3-1 THRU 3-3)
Condition:
HMMWV engine has been running 10 to 15 minutes.
Both
light and alarm tests on status indicator are normal.
NOTE
l
When measuring voltage, measure against ground.
l
Normal coolant temperature is 190-230° F.
l
Before starting procedure, see para 1-1.
Step 1.
Disconnect cable W64 from connector 12J1 on tach/hourmeter
box .
Step 2.
Check coolant temperature gage reading.
If coolant temperature gage displays normal reading,
go to step 3.
If coolant temperature gage does NOT display normal
reading, go to step 5.
Step 3.
Reconnect cable W64 to connector 12J1 on tach/hourmeter
box .
Disconnect cable W64 from connector on shelter.
3-19
