I got a ford aspire and a pioneer radio how do i hook it up

It is best to buy a connector pigtail for Ford, but you can wire directly using the below color code for the factory wiring. use the color code from the pioneer to match to the factory wires. If you have more questions, please reply.

1994 Ford Aspire Car Audio Wiring Diagram
Car Radio Battery Constant 12v+ Wire: Blue/Red
Car Radio Accessory Switched 12v+ Wire: Blue/Yellow
Car Radio Ground Wire: Black/White
Car Radio Illumination Wire: Red/Black
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: Light N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: 5 1/4?
Car Audio Front Speakers Location: Doors
Left Front Speaker Positive Wire (+): Brown/Black
Left Front Speaker Negative Wire (-): Green/Red
Right Front Speaker Positive Wire (+): Green/Orange
Right Front Speaker Negative Wire (-): Blue/Orange
Car Audio Rear Speakers Size: 5 1/4?
Car Audio Rear Speakers Location: Side Shelves
Left Rear Speaker Positive Wire (+): Blue
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Pink/Blue
Right Rear Speaker Negative Wire (-): Brown/Red