Current draw on battery, possibly glowshift gauges?

[pennyracer]

when my car sits for a week without driving the battery is dead completely no ignition lights or click when key is turned on yes i am running dual amps and other things how do i test the draw at the battery i did not think the newer amps used power when the car is shut off ? am i wrong i run arc audio amps not cheap shit but maybe they are drawing down my power ? i have a optima yellow top now but i still want to track my voltage draw problem i leave town for weeks at a time and store my car in a building and i should not have to leave it on a charger at all just to keep a charge in the battery please help me someone

[CTScott]

Originally Posted by pennyracer

when my car sits for a week without driving the battery is dead completely no ignition lights or click when key is turned on yes i am running dual amps and other things how do i test the draw at the battery i did not think the newer amps used power when the car is shut off ? am i wrong i run arc audio amps not cheap shit but maybe they are drawing down my power ? i have a optima yellow top now but i still want to track my voltage draw problem i leave town for weeks at a time and store my car in a building and i should not have to leave it on a charger at all just to keep a charge in the battery please help me someone

If you have a meter that can measure current, you disconnect the negative battery terminal and put one meter lead on the battery post, the other on the terminal (so the meter is in between). The other option is to use a clamp on ammeter, which doesn't require removing the battery terminal.