Table 6. Electrical System Troubleshooting Procedures - Continued.

TM 5-2410-237-23

TROUBLESHOOTING PROCEDURES - CONTINUED

0006 00

Table 6. Electrical System Troubleshooting Procedures - Continued.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

1. If voltage is not indicated in

20. Defrosters Will Not Operate or Will Not

h. Place defroster control

either step g or h, replace

Operate in High Speed or Low Speed -

switch to high speed

defroster control switch (WP

Continued.

position and touch meter

positive lead to switch

high speed terminal.

Observe meter reading.

2. If voltage is not indicated in

both steps g and h, go to Table

6, Malfunction 20, Test 2.

3. If voltage is indicated in steps

both g and h, replace

defective defroster fan motor

387-908

DEFROSTER

CONTROL

SWITCH

BLACK LEAD

15A FUSE

387-908

Test defroster switch for

a. Place battery disconnect

switch in OFF position.

d. Completely disconnect

defroster switch harness.

0006 00-80

Change 1