TM 5-3805-293-23-2
0023
Table 1. Cab Electrical Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
N OT E
16. Left and Right Position
Lights and Tail Lights Do
Always inspect the harness connectorsthat are involved in the circuit.
Not Operate
Poor connections can often be the cause of a problem in an electrical
circuit. Verify that all connections in the circuit are clean and secure,
and that all connections are in good condition. If a problem with a
connection is found, correct the problem and verify that this diagnostic
code is Active before performing this procedure.
Perform open or short circuit test ateach harness connection to identify
correct harness to replace.
Perform this test only if condition is active.
Test Step 1. Check for Bad Fuse.
1. Turn battery disconnect switch
and ignition switch to the ON posi-
tion (TM 5-3805-293-10).
2. Turn control indicator switch to
position SER. DRIVE Park (TM 5-
3805-293-10).
3. Remove fuse F38 from cab fuse
panel (TM 5-3805-293-10).
4. Visually inspect fuse F38 for open
Resistance Less Than 5.0 Ohms -
or use a digital multimeter to mea-
Proceed to Test Step 2.
sure resistance between the ter-
Fuse Open or Resistance 5.0 Ohms
minals of fuse F38. Resistance
or Greater - Replace fuse F38.
should be less than 5.0 ohms.
Proceed to step 5.
5. Turn battery disconnect switch to
Left and Right Position Lights and
the ON position and control indi-
Tail Lights Do Not Operate - Repeat
cator switch to position SER.
troubleshooting from the beginning.
DRIVE and Park (TM 5-3805-293-
Left and Right Position Lights and
10). Visually check if left tail light
Tail Lights Operate - Troubleshoot-
and left position light operate.
ing complete.
Test Step 2. Check for Open Cab
Lower Wiring Harness.
1. Install fuse F38 on cab fuse panel
(TM 5-3805-293-10).
2. Turn battery disconnect switch
and ignition switch to the ON posi-
tion (TM 5-3805-293-10).
3. Disconnect the control indicator
harness connector PE-C11 (WP
0009, Figure 287) from cab lower
wiring harness connector P-C11
(WP 0009, Figure 286) (WP
0283).
0023-100
