car audio install question

[Drez]

Originally Posted by poker

Correct. It only acts as a "trigger" wire to turn on the amps internal relay.

Originally Posted by pektel

This is what I was assuming, but was not completely sure. Good to hear that is confirmed.

Back in the day when we used to do this we used to tap in to the cig plug like stated as long as it was. It always getting direct power. Some cars now adays don't have a relay on the cig plug and will always get power.