NEED HELP ASAP (Head unit wire color code)

[VWSundownAudio]

Alright so I have been at it for 3 days straight.. trying to wire up a new Pioneer double din head unit into my 2006 Silverado LT crew cab.

This is what my exact truck diagram is suppose to look like...

Car Radio Battery Constant 12v+ Wire: Orange

Car Radio Ground Wire: Black/White

Car Radio Illumination Wire: Gray

Car Stereo Dimmer Wire: Brown

Car Stereo Antenna Trigger Wire: Pink

Left Front Speaker Positive Wire (+): Tan

Left Front Speaker Negative Wire (-): Gray

Right Front Speaker Positive Wire (+): Light Green

Right Front Speaker Negative Wire (-): Dark Green

Left Rear Speaker Positive Wire (+): Brown

Left Rear Speaker Negative Wire (-): Yellow

Right Rear Speaker Positive Wire (+): Dark Blue

Right Rear Speaker Negative Wire (-): Light Blue

This is what I have..

Car Radio Battery Constant 12v+ Wire: Orange- YES

Car Radio Ground Wire: Black/White- YES

Car Radio Illumination Wire: Gray- NO

Car Stereo Dimmer Wire: Brown- NO

Car Stereo Antenna Trigger Wire: Pink- YES

Left Front Speaker Positive Wire (+): Tan- YES

Left Front Speaker Negative Wire (-): Gray- NO

Right Front Speaker Positive Wire (+): Light Green- YES

Right Front Speaker Negative Wire (-): Dark Green- NO

Left Rear Speaker Positive Wire (+): Brown- YES

Left Rear Speaker Negative Wire (-): Yellow- NO

Right Rear Speaker Positive Wire (+): Dark Blue- YES

Right Rear Speaker Negative Wire (-): Light Blue-NO

My truck harness includes these following wires/colors:

The 12v constant orange wire

A small orange wire

A small orange wire with a black stripe

A pink wire

A black wire with a white stripe (ground)

A small black wire

A purple wire

A dark blue wire

A brown wire

A light green wire

A light green wire with a white stripe

An even lighter green wire

An olive green with a black stripe..

A light tan wire

WHAT IS GOING ON?? Any help would be much appreciated.

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