03 mitsubishi lancer install halp?

[BIGD502]

alright im doing an install on an 03 lancer today nothin big just storebought box subs nd h/u and all tht good stuff

any pointers and also does anyone know if this list is correct because he said he bought an install kit but idk if it has a harness or just the plastic piece to make his h/u fit

Car Radio Battery Constant 12v+ Wire: Red/Black

Car Radio Accessory Switched 12v+ Wire: Blue/Yellow

Car Radio Ground Wire: Black

Car Radio Illumination Wire: Black/Yellow

Car Stereo Dimmer Wire: N/A

Car Stereo Antenna Trigger: Yellow

Car Stereo Amp Trigger Wire: N/A

Car Stereo Amplifier Location: N/A

Car Audio Front Speakers Size: N/A

Car Audio Front Speakers Location: N/A

Left Front Speaker Positive Wire (+): Red/White

Left Front Speaker Negative Wire (-): Red/Blue

Right Front Speaker Positive Wire (+): Red

Right Front Speaker Negative Wire (-): Green

Car Audio Rear Speakers Size: N/A

Car Audio Rear Speakers Location: N/A

Left Rear Speaker Positive Wire (+): White/Blue

Left Rear Speaker Negative Wire (-): Yellow/Red

Right Rear Speaker Positive Wire (+): Light Green

Right Rear Speaker Negative Wire (-): Yellow/Green