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NAXJA Forum User
hey i have a 99 with a 124 amp altenator. I also 4 aux lamps. 2 Piaa 520 fog and 2 Piaa 520 driving. each with 85 watt. when all of them are on along with the headlights after about 7 min. the volts drop to 12 volts. This is at idle. If the car is moving at at least 5mph then the volts go up to 13. Anyway what kind of altenator do i have to buy ( how many amps) in order to keep volts at at least 13 during idle? I am sure that if i left the car in idle for more then 10 min it would even drop below 12. Thanks.