TM 5-2420-231-23-1
0062
Table 1. One Wheel Spins When Rear Differential Lock Switch Is Depressed - Continued.
062
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Test Step 5. Test Manual Control
One Wheel Spins When Rear
Lever Output Circuit.
Differential Lock Switch Is
Depressed - Continued
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
2. Connect powershift wiring har-
ness connector (WP 0007, Figure
115) to manual control handle wir-
ing harness connector (WP 0007,
Figure 116).
3. Disconnect main chassis wiring
harness connector (WP 0007, Fig-
ure 204) from differential lock sole-
noid.
4. Connect batteries (WP 0157) and
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
5. Have an assistant press and hold
the differential lock switch (TM 5-
2420-231-10).
6. Using a digital multimeter, mea-
Voltage 10 to 14 Volts - Proceed to
sure voltage between main chas-
step 7.
sis wiring harness connector (WP
Voltage Less Than 10 Volts - Proceed
0007, Figure 204) terminal 1 and
to Test Step 6.
machine ground. Voltage should
be 10 to 14 volts.
7. Using a digital multimeter, mea-
Voltage 10 to 14 Volts - Proceed to
sure voltage between main chas-
step 8.
sis wiring harness connector (WP
Voltage Less Than 10 Volts - Install
0007, Figure 204) terminals 1 and
front floor cover plate (WP 0306).
2. Voltage should be 10 to 14 volts.
Replace main chassis wiring harness
(WP 0154).
Proceed to Test Step 7.
8. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
9. Connect main chassis wiring har-
ness connector (WP 0007, Figure
204) to differential lock solenoid.
10. Remove front instrument panel
cover (WP 0174).
11. Disconnect front console wiring
harness connector (WP 0007, Fig-
ure 5) from main chassis wiring
harness connector (WP 0007, Fig-
ure 6).
0062-7
