[2 door cut]

i had recently replaced my alternator. when i had the good alternator in, when i would start my car, the volts would go right to 14 and stay at 14. all of a sudden, my volts dropped to 12.

i had a warranty on it, so i just went and got a new one. i put the new one in and start my car. when the car starts, it stays at 12. ill drive it around, turn the music on, lights on, a/c, etc etc, stays at 12. when im driving, i put it in neutral and rev the shit out of the engine, then it goes to 14 volts, and stays there.

now it stays at 12 until i rev the engine. i asked 2 people about it and they both said that its normal. if this is normal, then why did my old alternator go straight to 14? is my new alternator messed up? could the charging system be screwed?

this is the second or third time ive had problem with my volts, and its getting on my last nerve. almost makes me want to sell this son of a bitch. please help me out becuase im really considering it again.