Head Unit Problem :/

[Koop_sr]

Had my Sony head unit working with my jbl 6x9 then my Jbl amp 400wat powering my sub and my head unit was working with thoose fine then while trying to push it in my head unit went off then on and my front right door speakers keeps making a bumping sort off noise its hard to explain - any ideas?
thanks.

[srs1]

you've probably trapped/cut a wire.
i'd say your amp remote switch, or you have nocked some of the wires in the block connector

[Koop_sr]

is the block connector the black thing with all the wires goin into it ?