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
9. Using a digital multimeter, test for
Front and/or Rear Turn
Voltage Pulses Between 0 and 14
voltage between front lights wiring
Volts - Replace front-left turn signal
Signals Do Not Function
harness connector (WP 0007, Fig-
lamp (WP 0180).
Correctly - Continued
ure 58) terminals 1 and 2. Voltage
Proceed to Test Step 13.
should pulse between 0 and 14
No Voltage - Proceed to Test Step 3.
volts.
Test Step 3. Check for Open Circuit
in Main Chassis Wiring Harness.
NOTE
Ensure that left 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 E 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 4. Check for Faulty Rear
Left Turn Signal Light.
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
2. Remove two screws (Figure 5,
Item 2) and lens (Figure 5, Item 3)
from left rear turn signal light (Fig-
ure 5, Item 1).
0040-6