TM 5-2410-241-23-1
0022
Table 1. Cab Troubleshooting Procedures - Continued.
0022
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Blower Motor Does NOT
51. Using digital multimeter (WP
1. If continuity is found, replace
Function in One or More
0296), test for continuity between
blower motor switch (WP 0262).
Speeds - Continued
pin 4 on instrument panel harness
Ensure all harness connectors
connector E-C2 (WP 0018, Figure
are reconnected. Verify correct
171) and pin 4 on instrument
operation of machine (TM 5-2410-
panel harness connector E-C14
241-10).
(WP 0018, Figure 166).
2. If continuity is NOT found, replace
instrument panel harness (WP
0260). Ensure all harness con-
nectors are reconnected. Verify
correct operation of machine (TM
5-2410-241-10).
52. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).
53. Remove blower motor (WP 0227).
54. Disconnect blower motor harness
resistor connector EE-C3 (WP
0018, Figure 174) from blower
motor resistor.
55. Using digital multimeter (WP
1.
If continuity is found, replace
0296), test for continuity between
blower motor resistor (WP 0219).
pin B on blower motor harness
Ensure all harness connectors
resistor connector (WP 0018, Fig-
are reconnected. Verify correct
ure 174) and pin 4 on blower
operation of machine (TM 5-2410-
motor harness connector EE-C8
241-10).
(WP 0018, Figure 167).
2.
If continuity is NOT found, replace
blower motor harness (WP 0176).
Ensure all harness connectors
are reconnected. Verify correct
operation of machine (TM 5-2410-
241-10).
56. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).
57. Disconnect instrument panel har-
ness connector E-C14 (WP 0018,
Figure 166) from blower motor
harness connector EE-C8 (WP
0018, Figure 167).
58. Turn battery disconnect switch
and ignition switch to ON position
(TM 5-2410-241-10).
59. Turn blower motor switch to HIGH
(SPEED 3) (TM 5-2410-241-10).
0022-128