TM 5-3805-293-23-2
0023
Table 1. Cab Electrical Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
16. Left and Right Position
4. Use a digital multimeter, test for
Voltage Between 18 and 26 Volts -
Lights and Tail Lights Do
voltage between connector P-C11
Proceed to Test Step 3.
Not Operate - Continued
(WP 0009, Figure 286) terminals
Voltage Less Than 18 Volts -
1 and machine ground. Voltage
Replace cab lower wiring harness
should be 18 to 26 volts.
(WP 0266).
Proceed to step 4.
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 3. Check for Open Circuit
from Control Indicator Harness.
1. Turn ignition switch and battery
disconnect switch to the OFF
position (TM 5-3805-293-10).
2. Verify that control indicator switch
is in position SER. DRIVE and
Park (TM 5-3805-293-10).
3. Using digital multimeter, measure
Resistance Less Than 5.0 Ohms -
resistance between control indica-
Replace cab lower wiring harness
tor harness connector PE-C11
(WP 0266).
(WP 0009, Figure 287) terminal 1
Proceed to step 4.
and 7. Resistance should be less
Resistance 5.0 Ohms or Greater -
than 5.0 ohms.
Proceed to Test Step 4.
4. 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 4. Check for Open Con-
trol Indicator Switch.
1. Disconnect the control indicator
harness connector PE-C10 (WP
0009, Figure 288) from control
indicator switch (WP 0009, Figure
289).
0023-101