The factory amp in my 94 Suburban quit powering the right door speaker so I swapped it out quickly using all the factory wiring. I was going to run new wiring to the amp but it was getting dark and cold. Here's the wiring color code if you want to do it yourself. Don't forget to put a jumper wire on your amp turn on terminal to the +12v orange wire.
Positive 12v (+) Orange
Ground (-) Black
High level inputs for your amp
Left Rear (+) Brown
Left Rear (-) Yellow
Right Rear (+) Dark Blue
Right Rear (-) Light Blue
To door speakers
Left Rear (+) Light Green Solid
Left Rear (-) Light Green Black Stripe
Right Rear (+) Dark Green Solid
Right Rear (-) Dark Green White Stripe
Positive 12v (+) Orange
Ground (-) Black
High level inputs for your amp
Left Rear (+) Brown
Left Rear (-) Yellow
Right Rear (+) Dark Blue
Right Rear (-) Light Blue
To door speakers
Left Rear (+) Light Green Solid
Left Rear (-) Light Green Black Stripe
Right Rear (+) Dark Green Solid
Right Rear (-) Dark Green White Stripe
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