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TM 5-2410-237-23
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 6. Electrical System Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
20. Defrosters Will Not Operate or Will Not
b. Set
to
appropriate  ohm  (Ω)
Operate in High Speed or Low Speed -
Continued.
c. Connect meter positive
lead to center switch
terminal (switch side).
d. Connect meter negative
lead to either of the other
two  terminals  (switch
side).
e. Toggle switch between all
three positions. Observe
meter reading.
f. Repeat steps c through e
1. If continuity is indicated in
for remaining terminal.
HIGH and LOW, but not in
OFF position, repair defroster
2. If continuity is not indicated
as  stated  above,  replace
defroster switch (WP 0195
NOTE
21. Windshield Wiper Will Not Operate or Will
Not Operate in High Speed or Low Speed
The following procedure is for both front and rear wind-
Position.
shield wiper circuits.
1.
Test wiper motor circuit
voltage.
a. Place battery disconnect
switch in OFF position.
b. Check for blown wiper
1. Replace blown fuse with a
circuit fuse.
fuse of the same rating (WP
2. If fuse is not blown, reinstall
and go to step c.
c. Disconnect wiper motor
wire connectors.
d. Set
to
appropriate voltage range.
Change 1

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