Well I'm loving this forum! Everyone is so knowledgeable with great friendly advice... so I thought I'd try my luck with the sound system I've (started) setting up in my '91 P10.
It started off with an aftermarket head deck (Sony), stock speakers in the front, and Blaunpunkt in...
Somehow my original post got deleted.
1. Driver side power window - makes a grinding/whining noise at certain positions and needs to be manually pushed. Already had to solder the amp/switch.
2. Tach jumps around then eventually stops at max rpm.
3. Have high beams on drivers side headlight...