Radio amplifier location

2011 BMW 328
55,000 MILES • 4 CYL • 2WD • AUTOMATIC
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WININGS1
  • MEMBER
  • 1 POST
I have a convertible, the trunk is designed differently than on the sedan. Where is the radio amplifier located on a convertible?
Sep 29, 2018 at 12:31 AM
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KASEKENNY
  • Experienced Mechanic
  • 18,907 POSTS
I suspect if you are looking for the location that the amp is not working. Before you replace it, I would suggest checking power coming into the amp first.

I have seen many amp failures because of a fuse so just check for power and ground before you replace it.

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

https://www.2carpros.com/articles/how-to-check-wiring

Below you will find the process from the manual and wiring diagrams on the amp.

Please let us know what you find with this. Thanks
Oct 27, 2021 at 11:32 AM
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