1986 Subaru Wagon electrical

1986 SUBARU WAGON
136,000 MILES • 1.8L • 4 CYL • 4WD • MANUAL
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SUBPAR
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My car had the brake and charge light come on the tachometer has become very eratic, the battery is new and the alt. was checked out and seems to be fine. Could it be in one of the cables, or voltage regulator?
Dec 13, 2013 at 10:45 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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JACOBANDNICKOLAS
  • AUTOMOTIVE REPAIR CONTRIBUTOR
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Is the battery going dead?
Dec 13, 2013 at 10:54 AM
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SUBPAR
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yes the battery is going dead
Dec 13, 2013 at 11:19 AM
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JACOBANDNICKOLAS
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 110,190 POSTS
Okay, my guess is the issue with the gauges is the result of a weak battery. I would recommend getting a second opinion on the alternator. If it still checks good, then I would check the fusible link between the alt and the battery. If it is bad, the alt can be good, but it won't charge the battery.
Dec 13, 2013 at 6:52 PM