Battery drain after radio upgrade

I have a 2005 E500 that i had a shop do an upgrade to the radio - installed Pioneer AVH-W4500NEX however since this upgrade my battery keeps draining. Went thru an alternator and a battery in 2 years. The Amp was not shutting down so they installed a kill switch which solved one of the problem. I did a battery drain test and found a 2.5 to 3 amp drain from one of the fuse on the driver side - when i remove the fuse it killed everything on the steering wheel. Looking for someone in the... Battery drain after radio upgrade

I have a 2005 E500 that i had a shop do an upgrade to the radio - installed Pioneer AVH-W4500NEX however since this upgrade my battery keeps draining. Went thru an alternator and a battery in 2 years. The Amp was not shutting down so they installed a kill switch which solved one of the problem. I did a battery drain test and found a 2.5 to 3 amp drain from one of the fuse on the driver side - when i remove the fuse it killed everything on the steering wheel.
Looking for someone in the...

Battery drain after radio upgrade

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