1999 GM Firebird Radio and 12 Disc CD Changer Wiring

RADIO

Wire Color Description

Orange Constant 12V+

Yellow Switched 12V+

Black Ground –

Gray Illumination

Brown Dimmer

Dk Blue Steering Wheel Controls

Tan Left Front Speaker +

Gray Left Front Speaker –

Light Green Right Front Speaker +

Dark Green Right Front Speaker –

Brown Left Rear Speaker +

Yellow Left Rear Speaker –

Dark Blue Right Rear Speaker +

Light Blue Right Rear Speaker -

Radio CD Control

As viewed from front, lock tab up right to left

Wire Color Pin # Description

Gray 1 Left Front Speaker Return

Tan 2 Left Front Speaker Feed

Dark Green 3 Right Front Speaker Return

Light Green 4 Right Front Speaker Feed

Black 5 Ground

Brown 6 Park Lamp Feed

Gray 7 I/P Dimming Input

Pink 8 Radio On Signal

Yellow 9 Fused Ignition Feed

Orange 10 Fused Battery Feed

CD Changer

As viewed from front, lock tab up right to left

Wire Color Pin # Description

Brown/White 1 Left Audio Signal

Green/White 2 Right Audio Signal

Black/White 3 Audio Return

Orange 5 Fused Battery Feed

Black                            7 Ground

Dark Green 10 System On From Radio

GM Pioneer 25678544 Cdx-m2116zg 12 Disc CD Changer

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