TM 5-2410-240-23-1
0021
Table 1. Cab Troubleshooting Without Codes. - Continued.
0021
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. All Front and Rear Flood Lamps
Test Step 9. Test 102-RD Fused
Do Not Work - Continued
Lamp Relay Power Circuit for
Short to Other Circuits in Lower
Cab Wiring Harness.
1. Remove front control panel
from right side console (WP
0217). Disconnect harness C-
C4 (WP 0018, Figure 16) from
flood lamp switch (WP 0018,
Figure 60).
2. Using digital multimeter, test
No Continuity - Proceed to step 3.
for continuity (WP 0283)
Continuity - Replace lower cab
between C-C40 terminal 1 and
wiring harness (WP 0228).
all other terminals in C-C40
Install new lamp relay fuse on fuse
(WP 0018, Figure 30).
block.
Install fuse panel front cover on
machine (TM 5-2410-240-10).
Verify proper operation of flood
lamps (TM 5-2410-240-10).
3. Using digital multimeter, test
No Continuity - Proceed to Test
for continuity (WP 0283)
Step 10.
between C-C40 terminal 1
Continuity - Replace lower cab
(WP 0018, Figure 30) and
wiring harness (WP 0228).
ground.
Install new lamp relay fuse on fuse
block.
Install fuse panel front cover on
machine (TM 5-2410-240-10).
Verify proper operation of flood
lamps (TM 5-2410-240-10).
Test Step 10. Test 647-GN Flood
Lamp Relay On/Off Circuit for
Short to Other Circuits in Lower
Cab Wiring Harness.
1. For D6K Dozer with Ripper,
remove ripper operation con-
trol handle (WP 0218) and
position aside. For D6K Dozer
with Winch, remove winch
operation control handle (WP
0217) and position aside.
2. Disconnect harness connec-
tor C-C30 (WP 0018, Figure
27) from flood lamp relay #1
(WP 0018, Figure 54).
0021-90
