1991 Toyota Corrolla electrical problem

Tiny
SHUCKER
  • MEMBER
  • 1991 TOYOTA COROLLA
1991 Toyota Corrolla, 1.6 engine, 180,000 miles, air, auto.

The "brake" and "batt" lights illuminate intermittantly together, dim and bright. Sometimes they flash on and off. Car starts great, had the alternator checked on a machine at my local parts dealer, checked good. Battery voltage checks good and is being charged with engine running. Running down the road, the lights come on and off. Everything appears to be working ok. Both of these lights come on at the same time, when driving down the road.
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Saturday, September 1st, 2007 AT 1:49 PM

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Tiny
RASMATAZ
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Battery voltage checks good and is being charged with engine running. What's the voltage reading?
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Saturday, September 1st, 2007 AT 4:25 PM
Tiny
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Battery voltage checks good and is being charged with engine running. What's the voltage reading?[/Quote:7e967baff7]

12 volts static, about 13.5 running with alternator.
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Saturday, September 1st, 2007 AT 6:50 PM
Tiny
RASMATAZ
  • MEMBER
Battery voltage checks good and is being charged with engine running. What's the voltage reading?[/Quote:eae1ffa47f]

12 volts static, about 13.5 running with alternator.[/Quote:eae1ffa47f]

Charge the battery and get it up to 12.8. When its there load test it-using the starter for 10secs if it drops below 9.6 volts-replace the battery no good-

Belt tension good?
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Saturday, September 1st, 2007 AT 7:40 PM

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