1987 Pontiac Firebird Car won't hold a charge.

Tiny
87TA
  • MEMBER
  • 1987 PONTIAC FIREBIRD
  • V8
  • 2WD
  • AUTOMATIC
  • 60,396 MILES
Hello, I just bought a 1987 Trans Am, and it will not run more then 10 minutes with the lights on. The amp guage inside the car only reads at 8. Could there be a short or do you think the alternator is going bad? Thanks, Pat
Wednesday, February 11th, 2009 AT 7:16 AM

1 Reply

Tiny
MIKE H R
  • MECHANIC
  • 3,094 POSTS
The voltage regulator inside the altinator sounds bad. Take it to a auto store such as auto zone and have them check the charging system. In older cars you could just replace the voltage regulators but in newer cars they are inside the altinator itself.
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Friday, February 13th, 2009 AT 8:32 AM

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