TM 5-2420-231-23-1
0031
Table 1. Heating, Ventilation, and A/C (HVAC) Blower Motor Does Not
Operate at One or More Speeds - Continued.
031
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
HVAC Blower Motor Does
Test Step 7. Test Blower Motor
Not Operate at One or More
Wiring Harness Ground Circuit for an
Speeds - Continued
Open Circuit.
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10).
2. Disconnect batteries (WP 0157).
3. Remove headliner and right-side
cover (WP 0346).
4. Remove right blower duct (WP
0350).
5. Disconnect cab wiring harness
connector (WP 0007, Figure 148)
from blower motor wiring harness
connector (WP 0007, Figure 149)
(WP 0349).
0031-9
