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
NOTE
One Wheel Spins When Rear
Differential Lock Switch Is
Always inspect the wiring harness connectors that are involved in the
Depressed - Continued
circuit. Poor connections can often be the cause of a problem in an
electrical circuit. Verify that all connections in the circuit are clean and
secure, and that all connections are in good condition. If a problem with a
connection is found, correct the problem and verify that this malfunction is
active before performing this procedure.
Perform an open or short circuit test at each wiring harness connection to
identify the correct wiring harness to replace.
Perform this test only if the condition is active.
Test Step 3. Test Differential Lock
Switch.
1. Disconnect batteries (WP 0157).
2. Remove front instrument panel
right-side cover (WP 0176).
3. Disconnect powershift wiring har-
115) from manual control handle
continuity between manual control
plate (WP 0306).
handle harness connector (WP
Replace manual control handle (WP
0007, Figure 116) terminals C and
0277).
D. There should be no continuity.
Proceed to Test Step 7.
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