TM 5-3805-296-23-2
0132
Table 1. Heater Does Not Operate Properly Continued.
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MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Heater Does Not Operate
4. Using digital multimeter
Resistance 5.0 Ohms or Less
Properly Continued
(WP 0540), measure resistance
Replace air conditioner wiring harness
between connector W-C2
(WP 0527).
terminal 21 and terminal 23
Proceed to Test Step 14.
(WP 0012, Figure 224).
Resistance Greater Than 5.0 Ohms
Replace main cab wiring harness
(WP 0505).
Proceed to Test Step 14.
Test Step 14. Verify Malfunction is
Resolved.
1. Ensure all harness connectors are
connected.
2. If removed, install plate
(Figure 5, Item 1) and four bolts
(Figure 5, Item 2) on headliner
(Figure 5, Item 3).
Figure 5. Plate and Retaining Hardware.
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3. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-296-10).
4. Perform heater performance test
Heater Operates Normally
(WP 0178).
Troubleshooting complete.
Heater Does Not Operate Normally
Repeat troubleshooting from the
beginning.
END OF WORK PACKAGE
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