Recent content by arex

I found some wiring diagrams in the factory service manual that states that it's a ground for shielding. What's being shielded and why it requires a separate ground wire were not told.

It's a 2005 Toyota Tundra Access Cab, with the non-JBL "premium" system, with the Panasonic amp under the right rear seat and tweeters in the front doors. I've read some things that seem to imply that the amp turn-on signal is a TTL pulse, not 12V. I hope not, but that's not insurmountable...

To put these questions in context; while I'm familiar with basic electronics, I'm very new to car audio and the nomenclature involved in it. I'm building an adapter harness to mate a new HU to a factory amplifier, and I'm confused by something. I understand that there are different sorts of...