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Audio Wiring
Information for the 1991-96 B-body
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By: Scott
Williams (HACK)
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Here are the
factory wiring codes for the in-dash head unit:
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Description
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Color
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Pin Number
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Front Left
Speaker Negative (-)
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GRAY
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1
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Front Left
Speaker Positive (+)
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TAN
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2
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Front Right
Speaker Negative (-)
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DARK GREEN
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3
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Front Right
Speaker Positive (+)
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LIGHT GREEN
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4
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Radio Ground
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BLACK/WHITE
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5
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Parking Light
Input
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YELLOW
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6
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Dimmer Input
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GRAY
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7
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Power Antenna
12v (+)
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DARK GREEN
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8
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Ignition 12v
(+)
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YELLOW
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9
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Constant 12v
(+)
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ORANGE
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10
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Speed Compensated
Volume
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DARK GREEN/WHITE
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16
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Rear Left
Speaker Negative (-)
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YELLOW
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17
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Rear Left
Speaker Positive (+)
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BROWN
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18
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Rear Right
Speaker Negative (-)
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LIGHT BLUE
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19
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Rear Right
Speaker Positive (+)
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DARK BLUE
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20
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From the Manual:
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