i have a 2.8 V6 bird and my battery is fine and my alternator is fine but it seems as if im getting little power cause my headlights flicker and interior lights flicker and car died when at a stop light. Any clue?

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86 firebird 2.8
K&N replacement filter
modified air box
MSD ignitor
Hooker cat back
GNX style wheels

 

Who tested your battery and alternator? My Chevelle did the same thing to me. The alternator tested good, so did the battery. But after driving for about a day or so on a fresh battery the lights would dim at idle and eventually the car would just die. It turned out to be a faulty voltage regulator in the alternator. The idiot at the parts store just didn't know how to properly test it. I'm necessarily putting down anyone that tested yours, I'm just telling you about a similar problem, and what my cause was.

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Jason Lodder; 86 IROC-Z, 305 TPI/700R4, Flowmaster Exhaust, Hypertech Thermomaster Chip, K&Ns, Throttle body airfoil.

[This message has been edited by J's86ROC (edited November 08, 2001).]

[This message has been edited by J's86ROC (edited November 08, 2001).]

 

Thanks for the comment J, but i tested the alternator the old fashion way by pulling off one of the battery terminals and the alternator kept on running. so if the alternator kept running the the voltage regulator must be good too. i dont know?

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86 firebird 2.8
K&N replacement filter
modified air box
MSD ignitor
Hooker cat back
GNX style wheels

 

Could be as simple as the tension of your belt on the alternator. Sounds like your alternator is going out even though your diagnosis would also lead me to believe otherwise. Also, you may have one bad cell in your battery.

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87 TA, 305 TPI, Custom CAI, K&N, ACCEL 8mm wires,ACCEL Super-coil, ACCEL Plugs, JET TPI Airfoil, Cherry Bomb Muffler
"35 yr old helo pilot
with a cool new toy my 17 yr old son wants" The Phoenix Project..click to see my project car
Trans Am stuff and GIRLS, GIRLS, GIRLS!!!!!