No doubt that if the paper is shredded, the speaker is no good.
I never checked my speaker before changing my radio. We were used to listening to the back speakers only.

It was a nice surprise to hear all the speakers working after the change.

The fuel pump relay is named system relay by Volvo, so don't expect to read "fuel pump relay" inside the relay/fuse box. https://www.2carpros.com/questions/volvo-s40-2000-volvo-s40-fuel-pump Remember that this relay serves two functions: -Priming (two seconds when ignition on, then stops) ...