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Axxess GMOS-05 Installation Instructions Manual page 5

Gm onstar class ii data bus interface

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5. Connect the the green/black wire to the amplifier's left rear negative speaker output.
6. Connect the purple wire to the amplifier's right rear positive speaker output.
7. Connect the purple/black wire to the amplifier's right rear negative speaker output.
8. The Orange and Orange/White wires are not used. Please tape up wires to avoid a short circuit output.
9. Cut the white wire about half way between the two plugs. Connect the white wire from the 32 pin plug to
amplifier's left front positive speaker output wire. Connect the white wire from the 12 pin plug to the positive
speaker wire of the Metra SP-2003 or equivalent.
10. Cut the white/black wire about half way between the two plugs. Connect the white/black wire from the 32
pin plug to amplifier's left front negative speaker output wire. Connect the white/black wire from the 12 pin
plug to the negative speaker wire of the Metra SP-2003 or equivalent.
11. Cut the gray wire about half way between the two plugs. Connect the gray wire from the 32 pin plug to ampli-
fier's right front positive speaker output wire. Connect the gray wire from the 12 pin plug to the positive
speakerwire of the Metra SP-2003 or equivalent.
12. Cut the gray/black wire about half way between the two plugs. Connect the gray/black wire from the 32 pin
plug to amplifier's right front negative speaker output wire. Connect the gray/black wire from the 12 pin plug
to the negative speaker wire of the Metra SP-2003 or equivalent.
Note: If only one SP-2003 is used tape up the gray wires that would normally connect to the second
SP-2003 to avoid a short circuit.
GMOS-05
4

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