
How to Replace SC-900, 901 w Aftermarket Double-Din and Retain Factory Amp/Wiring
You have a factory system that is 6 or more speakers, and have an external amp that handles the crossovers to feed the tweeters. Re-wiring all of this without keeping the amp is a royal pain! These directions allow you to replace the head-unit while maintaining the factory amplifier and speaker wiring. ZERO re-wiring to the speakers is needed.