TM 5-3805-292-10
0018
0.
ELECTRICAL SYSTEM CONTINUED
MALFUNCTION
Backup alarm will not sound when machine is placed in reverse.
CORRECTIVE ACTION
Step 1.
Check alarm for disconnected connector or damage.
a.
Reconnect connector if disconnected.
b.
If any damage to alarm is found, notify Field Maintenance.
c.
If connector and alarm are OK and problem still exists, proceed to step 2.
Step 2.
Check for blown horn fuse at fuse panel (WP 0022).
a.
If fuse is bad, request a replacement fuse from Field Maintenance.
b.
If fuse is good and problem still exists, notify Field Maintenance.
MALFUNCTION
Windshield washer or wiper is not working.
CORRECTIVE ACTION
Step 1.
Check windshield washer fluid reservoir (WP 0020).
a.
If reservoir is empty, fill reservoir (WP 0020).
b.
If problem still exists, proceed to step 2.
Step 2.
Verify door connector is plugged into cab harness.
a.
Reconnect door connector if disconnected.
b.
If door connector is connected and problem still exists, proceed to step 3.
Step 3.
Check for blown fuse at fuse panel (WP 0022).
a.
If fuse is bad, request a replacement fuse from Field Maintenance.
b.
If fuse is good and problem still exists, proceed to step 4.
Step 4.
Check option power relay 1 (WP 0022).
a.
Swap suspect relay with known working relay to determine if suspect relay is functional.
b.
If relay is bad, request a replacement relay from Field Maintenance.
c.
If relay is good, notify Field Maintenance.
0018-6
