TM 9-2320-362-14&P
Table 3-2.
Unit Troubleshooting (Cont’d)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4.
WITH PARKING BRAKE NOT SET, PARKING BRAKE DASH LIGHT IS OFF, AND STATUS
INDICATOR ALARM AND LIGHT DO NOT COME ON (Cont’d)
Step 3.
Reconnect cable W64 to connector 12J1 on tach/hourmeter
box .
Disconnect cable W64 from connector on shelter.
Step 4.
Using multimeter, measure voltage at cable W64, pin “G.”
If multimeter displays about +28 VDC, refer to system
manual for further troubleshooting
If multimeter does NOT display about +28 VDC, replace
faulty cable assembly W64 (para 3-25).
Step 5.
Reconnect cable W64 to connector 12J1 on tach/hourmeter
box .
Remove engine access cover and disconnect safety
lanyard.
Disconnect cable W66 from connector 12J2 on
tach/hourmeter box.
Step 6.
Using multimeter, measure voltage at
If multimeter displays about +28
harness assembly (para 3-20).
cable W66, pin “G.”
VDC, replace faulty
If multimeter does NOT display about
step 7.
Step 7.
Reconnect cable W66 to connector 12J2 on
box .
+28 VDC, go to
tach/hourmeter
Step 8.
Under engine access cover, check “T” connection on cable
assembly W66 at wire 67.
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
3-14
