I need to figure out how to wire rear speekers into my ranger. There are empty spots where the speekers should go so i guess it never came with speakers. I checked behind the stock head unit and there are no empty spaces for wires in the block. I did find...

Radio:
(Click Here For Diagram #1(Radio) & #2(Speakers))

Black Wire - Ground
Black With White Stripe Wire - Right Rear Speaker
Light Blue With Red Stripe Wire - From Light Switch To Radio (light) (Headlights)
Light Green With Yellow Stripe Wire - Hot At All Times To Radio
Orange With Black Stripe Wire - From Light Switch To Radio (Light) (Parking)
Orange With Red Stripe Wire - Right Rear Speaker
Red Wire - To Ground With Black Wire
Yellow With Black Stripe Wire - Hot In Accessory Or Run To Radio

(With Convenience Power Group)

Dark Green With Orange Stripe Wire - Right Door Speaker
Light Blue With White Stripe Wire - Left Door Speaker
Orange With Light Green Stripe Wire - Left Door Speaker
White With Light Green Stripe Wire - Right Door Speaker

(Without Convenience Power Group)

Dark Green With Orange Stripe Wire - Right Door Speaker
Light Blue With White Stripe Wire - To Dark Green With Orange Stripe Wire To Left Door Speaker
Orange With Light Green Stripe Wire - To White With Light Green Wire To Left Door Speaker
Pink With Light Green Stripe Wire - Left Rear Speaker
Tan With Yellow Stripe Wire - Left Rear Speaker
White With Light Green Stripe Wire - Right Door Speaker


But should there already be wires behind the seat? Because i can't find them. So how should i go about wiring this up?