Amperage drain

[Jeremy Cottrell]

What is an acceptable amperage drain on a 99 C2? With the car closed up, the front trunk lock pushed down to simulate a closed trunk I am getting a reading of 1.0 amps. This seems high to me. Does anybody else have any readings they would like to share?

[1999Porsche911]

What is an acceptable amperage drain on a 99 C2? With the car closed up, the front trunk lock pushed down to simulate a closed trunk I am getting a reading of 1.0 amps. This seems high to me. Does anybody else have any readings they would like to share?

Is your key in the ignition?

[Jeremy Cottrell]

No key in the ignition, and obviously I wait for all the lights to go out in the interior.

[wrljet]

It's too cold outside for me to go do the experiment, but 1 amp is way

too high. That'll drain the battery in no time, a couple days and it'll

likely be to dead to crank the engine.

Bill

[Izzy]

1 Amp, should have a leak somewhere. Car closed and alarm on, I thought it would be in the 10-20 milliamp range?

[1999Porsche911]

The normal drain should be about .02 - .03 amps. Check your engine compartment light. Start disconnecting fuses until you see a drop in the drainage.

Edited December 15, 2005 by 1999Porsche911

[Tool Pants]

Peter says 40 milliamps and that is what my Boxster is.

[viper501]

You might also try it with the car locked.

[PTEC]

Around 30mA is what you want. It will take around 45 minutes for all the control units to "go to sleep" and get an accurate reading.