alternator

2005 TOYOTA 4RUNNER
6 CYL • 2WD • AUTOMATIC
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FLOWERPANDAH
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  • 2 POSTS
how do i check if my alternator is broken?
Jan 11, 2011 at 10:42 PM
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FLOWERPANDAH
  • MEMBER
  • 2 POSTS
not a 4runner.
Jan 11, 2011 at 10:43 PM
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RASMATAZ
  • ✓ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Use a voltmeter and read the battery voltage before you start the truck -should be 12.4 volts or higher-Now start it up and read it again while running-the readings should be 13.5 to 15.5 volts if not the alternator is no good
Jan 11, 2011 at 10:54 PM
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