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CARBRETER HEATER SYSTEM
CARBURETOR HEATER RELAY
1. Inspect:
S Carburetor heater relay 1
Inspection steps:
S Disconnect the carburetor heater relay from
the coupler.
S Connect the pocket tester (Ω
(12 V) to the carburetor heater relay terminals
as shown.
Positive battery terminal ! Blue/Red 1
Negative battery terminal ! Brown/Yellow 2
Positive tester probe ! Black/Yellow 3
Negative tester probe ! Red/White 4
S If carburetor heater relay does not have conti-
nuity between the black/yellow and red/white
terminals, replace it.
CARBURETOR HEATER
1. Remove:
S Carburetor heater 1
2. Connect:
S Pocket tester
Positive tester probe ! Heater terminal 1
Negative tester probe ! Heater body 2
3. Inspect:
S Carburetor heater resistance
Out off specification ! Replace the carbure-
tor heater
8-45
ELEC
Carburetor heater resistance:
6 X 10 Ω at 20_C (68_F)
1) and battery
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Troubleshooting
