TM 5-3805-293-23-2
0023
Table 1. Cab Electrical Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
18. One or Both Blackout
6. Using digital multimeter, test for
Voltage Between 18 and 26 Volts -
Tail Lights Do Not Oper-
voltage between connector AG-
Replace right tail light (WP 0177).
ate - Continued
C15 (WP 0009, Figure 341) termi-
Proceed to step 15.
nal 1 and AG-C16 (WP 0009, Fig-
Voltage Less Than 18 Volts -
ure 400) terminal 1. Voltage
Replace rear lamps harness (WP
should be 18 to 26 volts.
0178).
Proceed to step 13.
7. Disconnect the connector AG-C6
(WP 0009, Figure 340) from left
tail light (WP 0177).
8. Disconnect the connector AG-
C10 (WP 0009, Figure 399) from
left tail light (WP 0177).
9. Using digital multimeter, test for
Voltage Between 18 and 26 Volts -
voltage between connector AG-
Replace left tail light (WP 0177).
C6 (WP 0009, Figure 340) termi-
Proceed to step 15.
nal 1 and AG-C10 (WP 0009, Fig-
Voltage Less Than 18 Volts -
ure 399) terminal 1. Voltage
Replace rear lamps harness (WP
should be 18 to 26 volts.
0178).
Proceed to step 13.
10. Disconnect the connector AG-
C15 (WP 0009, Figure 341) from
right tail light (WP 0177).
11. Disconnect the connector AG-
C16 (WP 0009, Figure 400) from
left tail light (WP 0177).
12. Using digital multimeter, test for
Voltage Between 18 and 26 Volts -
voltage between connector AG-
Replace right and left tail light (WP
C15 (WP 0009, Figure 341) termi-
0177).
nal 1 and AG-C16 (WP 0009, Fig-
Proceed to step 13.
ure 400) terminal 1. Voltage
Voltage Less Than 18 Volts - Pro-
should be 18 to 26 volts.
ceed to Test Step 2.
13. Turn battery disconnect switch to
One or Both Blackout Tail Lights
the ON position and control indi-
Do Not Operate - Repeat trouble-
cator switch to position B.O.
shooting from the beginning.
DRIVE (TM 5-3805-293-10), and
Both Blackout Tail Lights Operate -
verify both blackout tail lights
Troubleshooting complete.
operate.
0023-110
