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1990 Toyota Corolla battery and brake lights

Tiny
ALLEYCATSYO
  • MEMBER
  • 1990 TOYOTA COROLLA
  • 4 CYL
  • 2WD
  • MANUAL
  • 140,000 MILES
Hi,

My brake and battery light keep coming on at the same time. What does that mean?



thank you!
Tuesday, May 27th, 2008 AT 8:52 AM

2 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Both lights should not be related so I guess is a loose wiring connection at the meter cluster.
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Tuesday, May 27th, 2008 AT 12:29 PM
Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Check the voltage at the battery with the engine running, it should be at least 13.5 to 14.5V. If it is in the 12V range the alternator probably needs replacing.

If you still have the brake light problem, check the switch at the parking brake and the master cylinder warning light sender.
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Tuesday, May 27th, 2008 AT 6:00 PM

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