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Toyota
4Runner
Electrical
Alternator
Test
Charge system
1987 TOYOTA 4RUNNER
318,000 MILES • 4 CYL • 4WD • MANUAL
PAYNE26
MEMBER
1 POST
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how to check if charging system is working
Feb 1, 2011 at 10:48 PM
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KHLOW2008
CERTIFIED EXPERT
41,814 POSTS
Connect a voltmeter across the battery terminals. Voltage should be between 13.5 to 14.5 volts when engine is tunning. Anything out of range means the charging is not perfect.
Feb 22, 2011 at 5:32 PM