TM 5-3805-298-23-4
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Table 1. Arctic Troubleshooting Procedures - Continued.
0395
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Arctic Heater Does Not
3. Using digital multimeter
Resistance 5.0 Ohms or Less -
Turn ON - Continued
(WP 0174), measure resistance
Replace lower cab wiring harness
between arctic heater wiring
(WP 0291).
harness connector HJ-C2 terminal
Proceed to Test Step 9.
A3 (WP 0012, Figure 229) and
Resistance Greater Than 5.0 Ohms -
arctic heater wiring harness
Replace arctic heater wiring harness
connector HJ-C1 (WP 0012,
Figure 228) terminal 4.
Proceed to Test Step 9.
Test Step 7. Test Arctic Heater
Ground Circuit for an Open.
1. Turn battery disconnect switch to
the OFF position (TM 5-3805-298-
10).
2. Disconnect lower cab wiring
harness connector C-C2 (WP
0012, Figure 227) from arctic
heater wiring harness connector
HJ-C1 (WP 0012, Figure 228).
3. Using digital multimeter (WP
Resistance 5.0 Ohms or Less - Verify
0174), measure resistance
lower cab wiring harness ground
between arctic heater wiring
(WP 0012, Figure 45) is clean and
harness connector HJ-C2 terminal
tight. If lower cab ground is ok, replace
A2 (WP 0012, Figure 229) and
lower cab wiring harness (WP 0291).
arctic heater wiring harness
Proceed to Test Step 9.
connector HJ-C1 (WP 0012,
Resistance Greater Than 5.0 Ohms -
Figure 228) terminal 2.
Replace arctic heater wiring harness
Proceed to Test Step 9.
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