TM 5-3805-293-23-2
0023
Table 1. Cab Electrical Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
9. Rear Right Turn/Stop
Test Step 1. Check for Faulty Right
Lamp Does Not Operate
Tail Lamp.
in Both Turn and Stop -
1. Disconnect the rear lamps har-
Continued
ness connector AG-C14 (WP
0009, Figure 321) from right tail
light (WP 0177).
2. Disconnect the rear lamps har-
ness connector AG-C10 (WP
0009, Figure 399) from right tail
light (WP 0177).
3. Turn the turn signal switch (TM 5-
3805-293-10) to the right turn sig-
nal position.
4. Turn control indicator switch to
position SER. DRIVE (TM 5-
3805-293-10).
5. Turn battery disconnect switch to
the ON position (TM 5-3805-293-
10).
6. Using digital multimeter, test for
Voltage Pulsing and Peaks
voltage between connector AG-
Between 18 and 26 Volts - Replace
C14 (WP 0009, Figure 321) termi-
rear right tail lamp (WP 0177).
nal 1 and connector AG-C10 (WP
Proceed to step 8.
0009, Figure 399) terminal 1
Voltage Less Than 18 Volts - Pro-
(Gnd). Voltage should be pulsing
ceed to Test Step 2.
18 to 26 volts.
7. Turn ignition switch and battery
disconnect switch to the OFF
position (TM 5-3805-293-10).
8. Turn control indicator switch to
Rear Right Turn Signal Does Not
position SER. DRIVE, turn signal
Operate - Repeat troubleshooting
switch (TM 5-3805-293-10) to the
from the beginning.
right turn signal position and verify
Rear Right Turn Signal Operates -
rear right turn signal operates.
Troubleshooting complete.
Test Step 2. Check for Faulty Rear
Lamps Harness.
1. Disconnect the rear lamps
harness connector AG-C20 (WP
0009, Figure 311) from rear
chassis wiring harness connector
FA-C29 (WP 0009, Figure 310)
(WP 0178).
2. Turn battery disconnect switch to
the ON position (TM 5-3805-293-
10).
0023-58
