I have an 04 dodge ram with an after market radio. This bazooka tube was given to me and I know it works. I wanna get it hooked up but have no wiring. Has no identification on it except it says sas bazooka with a number at the bottom g45a8c0025. I need to know what wiring harness I have to get. It doesn't have RCA plug ins like an amp and its either a 6in or 8in. Thats all i got. I can't hook it up until I know. Please help.