inputs.text: fix guy - easy install plugs right alpine unit plugnplay plenty wires lenght included makes flexible install good bad jeep cherokee fit perfectly behind radio attached two metal screws excess wire bunches make sure not get pinched wire harness gets sandwiched radio unit amp couple tries sliding radio back adjusting excess wires went ok improved sound quality 4 infinity speakers not expect thumping bass many watts overall good balance sound improvehement ease installation total install time approx 45 minutes cannot beat