All came out great I used a four channel JBL amp and some good rca wires I installed some 6X9 Cerwin Vega old stock but new speakers and up front I’m running some MA Audio 4X6 speakers on my GMC 1993 Ext/Cab truck and for my bass I’m running a 12” Kicker speaker with a Fosgate old school amp and my sound system sounds great I’m mean the best sounding stereo sound I have ever had oh my HU I’m running a Alpine stereo that has three sets of RCA jacks and a extra set to connect my phone I’m one happy camper.
6x9 Rear Speaker Install - GM Truck Central This is where I got the idea and it works guys.