CHARGING SYSTEM
SERVICE MANUAL NUMBER 22
90-860074--1 FEBRUARY 2002 Page 4B-11
Output Circuit
1. Ensure battery is fully charged with the hydrometer test.
2. Start the engine and increase rpm to approximately 1500 rpm.
3. Check voltage reading. the voltage should be between 13.8 and 14.2 volts. If the reading
is below 13,8 volts:
4. Connect positive (+) voltmeter lead to alternator output terminal.
5. Connect negative (–) lead to a ground terminal on alternator.
6. Wiggle engine wiring harness while observing voltmeter. Meter should indicate
approximate battery voltage and should not vary. If no reading is obtained, or if reading
varies, check alternator output circuit for loose or dirty connections or damaged wiring.
72784
a
b
c
d
e
a-Output Wire - BLUE
b-Excitation Wire - PURPLE
c-Sensing Wire - RED/PURPLE
d-Voltmeter (0-20 Volts)
e-Ground
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