TM 5-2420-231-23-1
0040
Table 1. Front and/or Rear Turn Signals Do Not Function Correctly - Continued.
040
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 7. Check for Open Circuit
Front and/or Rear Turn
in Main Chassis Wiring Harness.
Signals Do Not Function
Correctly - Continued
NOTE
Ensure right turn signal is in on position.
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
2. Remove front floor cover plate
(WP 0306).
3. Disconnect main chassis wiring
harness connector (WP 0007, Fig-
ure 65) from front lights wiring har-
ness connector (WP 0007, Figure
64).
4. Connect batteries (WP 0157) and
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
5. Using a digital multimeter, test for
Voltage Pulses Between 0 and 14
voltage between main chassis wir-
Volts - Replace front lights wiring
ing harness connector (WP 0007,
harness (WP 0183).
Figure 65) terminal D and machine
Install bulb and lens (WP 0180).
ground. Voltage should pulse
Proceed to Test Step 13.
between 0 and 14 volts.
No Voltage - Replace main chassis
wiring harness (WP 0154).
Install bulb and lens (WP 0180).
Proceed to Test Step 13.
Test Step 8. Check for Faulty Rear
Right Turn Signal Light.
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
2. Disconnect rear right turn signal
light (WP 0007, Figure 95) from
rear lights wiring harness connec-
tor (WP 0007, Figure 94).
3. Connect batteries (WP 0157) and
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
4. Using a digital multimeter, test for
Voltage Pulses Between 0 and 14
voltage between rear lights wiring
Volts - Replace right-rear turn signal
harness connector (WP 0007, Fig-
lamp (WP 0180).
ure 94) terminals 1 and 2. Voltage
Proceed to Test Step 13.
should pulse between 0 and 14
No Voltage - Proceed to Test Step 9.
volts.
0040-12