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TM 9-2320-364-20-2
2-1166
2. HEADLIGHTS, CLEARANCE LIGHTS, HORN, WORK LIGHTS, DIMMER, OR
BEACON LIGHT DO NOT OPERATE (CONT).
22 to 28 vdc register on 24
vdc voltmeter indicating
ENGINE switch is OK.
10 to 14 vdc register on 12
vdc voltmeter indicating
batteries are OK.
Domelight operates indicating
10 to 14 vdc present on
wire 1084 at BLACKOUT
LIGHTS switch.
Wire 1189 between splice at
blackout service select
switch and 24V relay R12
OK.
Wire 1872 between ENGINE
switch and IGNITION circuit
breaker CB10 OK.
IGNITION circuit breaker CB10
OK.
Wire 1872 between IGNITION
circuit breaker CB10 and
24V relay R12 OK.
Wire 1435 between 24V
relay R12 and ground OK.
24V relay R12 OK.
Wires 1430 OK.
Wire 1189 between 24V
relay R12 and magnetic
switch R28 OK.
Wire 1435 between magnetic
switch R28 and ground OK.
Wire 1435 between magnetic
switch R28 and rectifier M52
OK.
Rectifier M52 OK.
Magnetic switch R28 OK.
Wire 1175 OK.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Verify repair.
If headlights, clearance, bea-
con, dimmer, backup, work
lights and horn operate, fault
has been corrected.
YES
NO
Fault not corrected.
Notify DS
Maintenance.
14.
Do headlights, clearance
lights, beacon light, work
lights, dimmer and horn
operate?
Fault corrected.
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