charging failure indicated

1991 TOYOTA TERCEL
150,000 MILES • 1.5L • 4 CYL • 2WD • MANUAL
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BENTON JACKS
  • MEMBER
  • 1 POST
removed alternator and bench tested by two automotive shops. Replaced battery as directed. Car runs for two minutes then charge failure lights come on. What is the solution to fix charging problem. All cable wiring is correct and tested.
Jan 9, 2018 at 7:29 PM
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KHLOW2008
  • ✓ASE Certified Mechanic
  • 41,814 POSTS
  • ASE Certified Mechanic
Check the crank pulley damper if equipped. A bad damper would result in alternator turning at lower speed than the engine. Visually note the alternator turning speed to see if it is turning very slow.
Jan 10, 2018 at 7:31 AM
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