i know this may not be relevant to this forum but i was wondering if anybody could help me wire my sub/amp to my civic lsi. from what i know the
- red power wire from the amp connects to battery terminal
- brown is earth
- two sethrough type wires are spakers/sub etc

- but there is a thin blue wire which connects to the amp and runs down to where the head unit goes. im not sure whre this blue wire connects to any help please.

thanks