I just swaped a 350 in whare a 2.8 was and now my power light is on and when i rev the car it the light gets brighter, the same thing happens when i turn my eletric fan on. I had the guys at autozone test my altantor and they said it was just fine, so i have no ****in clue whats wrong can some one help.

 

use a multimeter and put on your battery with the engine running.you should read about 13.8 volts. it may drop to 12 to 13 with the fan or lights on. if it drops more your fan is drawing to much current and something is wrong