stereo problems

Hello all. I want to thank you in advance for helping me out! I am at a stand still with my installation right now :/ I have a 2005 Saturn Vue base model. The vehicle comes with a built in sub and amp (amp is underneath the rear seats). I bought a Pioneer stereo to install instead of the...

My aftermarket stereo head unit power supply is to big and the chord won't fit is there a way to make the chord bigger?

Okay this is going to be really hard to explain. First off I my setup consists of an fi sp4 15, a nendo 3500 two batteries and optima yellow top up front and an xs 3400 in the rear. yesterday i was playing it for probably 15 minutes pretty hard driving around the streets and the sub turned off...