Need Help on wiring

[royalet1]

Hey guys, i have a 98 expedition . I need help with my wiring on my stereo system i have a 12 inch box with a kenwood amp that is already wired, recently i installed a double din radio, no problem, NOW i have a dvd changer, A 11 inch drop down, plus a seperate dvd player, I know the basics connections, but the dvd changer, sep dvd, and drop down has to be fed some power, where do i tie these lines in at ?, and can i use the same ground for them

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[johnecon2001 5,000+ posts]

you can use the same ground. You need to run a power line from the battery and use a distro block to feed all of the components.

 

[royalet1]

Thanks

 

[royalet1]

oh and one last thing i keep hearing the engine through my speakers, and my screen has like these lines that you can barely see thats going up and down in the background, could this be from the engine interference

 

[NhustlaR 10+ year member]

no bad ground most likely. haha