CHARGING SYSTEM
SERVICE MANUAL NUMBER 22
90-860074--1 FEBRUARY 2002 Page 4B-13
Sensing Circuit
1. Unplug RED or GREEN lead from voltage regulator.
2. Connect positive (+) voltmeter lead to RED or GREEN lead and negative (–) voltmeter
lead to ground terminal.
3. Voltmeter should indicate battery voltage. If battery voltage is not present, check
sensing circuit for loose or dirty connection or damaged wiring.
72786
a
b
c
d
e
a-Output Wire - BLUE
b-Excitation Wire - PURPLE
c-Sensing Wire - RED or GREEN
d-Voltmeter (0-20 Volts)
e-Ground
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