rca cables

Just wanted to get some feedback if anyone knows what’s wrong with my setup, we can’t get the little led light on the sub to turn on indicating power. Also I have a backup camera and was wondering where you tap in the wires and the power wire for it. My head unit is a Jensen cm710. Any help is...

I have a 5 speaker system ready to install and my after market head unit only has front and rear channels. I have a single 12” sub and my amp has rca inputs for the sub. I want to use a “y” rca splitter until i buy a head unit with all the rca outs i need. So which speaker should I split from...

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