TM 5-3805-298-23-4
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Table 1. Arctic Troubleshooting Procedures - Continued.
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MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Arctic Heater Does Not
7. Connect lower cab wiring harness
Turn ON - Continued
B+ terminal (Figure 8, Item 3) to
arctic heater switch (Figure 8,
Item 2).
8. Disconnect lower cab wiring
harness SIG terminal (pink wire)
(Figure 8, Item 1) from arctic
heater switch (Figure 8, Item 2).
9. Turn battery disconnect switch to
the ON position (TM 5-3805-298-
10).
10. Turn arctic heater switch to the ON
position (TM 5-3805-298-10).
11. Using digital multimeter, test for
Voltage 18 - 26V - Proceed to step 12.
voltage between arctic heater
Voltage Less Than 18 V - Replace
switch SIG terminal
arctic heater switch (WP 0401).
(Figure 8, Item 1) and machine
Proceed to Test Step 9.
ground.
Figure 8. Arctic Heater Switch.
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12. Turn battery disconnect switch to
the OFF position (TM 5-3805-298-
10).
13. Disconnect lower cab wiring
harness connector C-C2 (WP
0012, Figure 227) from arctic
heater wiring harness connector
HJ-C1 (WP 0012, Figure 228).