How to use the decks amp and external amp at the same time?

[web351]

So I had new front speakers hooked up to an external amp (mrx-f35) with two subs and a pair of rear speakers. This took to much power from the amp so I had to rewire my new front speakers to the decks built in amp (deck is a Cde-143bt). But they didnt have any sound coming from them when I did and it turns out that the power ic option was turned off which disables the decks amplifier. so i turned it on and the speakers came on although it shut off my back speakers which are hooked to my external amp. The external amp remained on and so did the subs although despite the external amp being on, my deck was trying to power the subs that were hooked up to the external amp. so my subs remained on and so did the amp but my back speakers didnt turn on at all. On a side note, i can tell that the deck was trying to power the subs because my front speakers got extremely distorted when turning the woofers up.

So how can i run my decks amp and my external amp at the same time without this annoying disabling thing? Thanks!

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[fly_marlin]

So did you mistakenly run the sub wires to the deck or what? Btw what you're saying doesn't make sense - speakers don't take power from the amp. What you need to do is go and figure out exactly what's connected to what and then post a diagram of that on here. As of now, anyone giving you advice will just be guessing.