Okay, tell you what... you turn on the heater... you turn on the defogger... you turn on the radio, and you rev up the motor... you're turning on everything that draws power... and then you turn on the motor, you rev up the motor... and if the Voltmeter reads lower than 14 volts... your alternator's probably no good.
Ok, vouche dicir que facer ..encende o quentador É encende o desneboizaor