Be sure to check power behind the Radio, prior to repair.
You will need the Reoval Tools. Usually available at Foriegn Parts Stores or some AutoZones.
Here is Removal procedure
click below
REMOVE RADIO
The reason I wanted you to check power at the radio is to verify the radio is bad.Many times radios are sent for repair when it is just a fuse.
The reason no mention of wires is I don't have that info here.Radio should have a diagram on the chassis that will give that info
Aftermarket & Factory Electr&onics
Ford, Chev Cert, Heavy Line Mech, Mobile Electronics.Sales, Installation & Repair for 30 years.