GMRC-03
GM Class II data bus interface
1996-2002
applications
cadillac
Catera
Deville
Eldorado
Seville
Kit Features
• Provides accessory (12-volt 10-amp)
• Retains R.A.P. (Retained Accessory Power), if equipped
• Used in non-amplified systems or when replacing amplified systems
• Retains all warning chimes through onboard speaker
interFace components
• GMRC-03 data interface
• 10-pin to 24-pin GM harness with stripped leads
tools required
• Cutting tool • Crimping tool • Tape
• Connectors (example: butt-connectors, bell caps, etc.)
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Installation Instructions for GMRC-03
1997-2001
1996-1999
1996-2002
1996-1999
1-800-221-0932
connections to be made
From the 10-pin harness:
• Connect the Yellow wire to the to the radio's 12-volt battery or memory wire.
• Connect the red wire to the radio's 12-volt accessory or switched wire.
• Connect the black wire to the radio's ground wire.
• When completed plug the 10-pin harness into the GMRC-03.
From the 32-pin harness:
• Connect the blue wire to the radio's antenna turn-on wire. If no antenna turn-on
wire is present, hook blue wire to the radio's amplifier turn-on wire.
• Connect the orange/White wire to the radio's dimmer wire. If your radio does
not have a dimmer wire, just tape off wire.
• Connect the White wire to the radio's left front positive speaker output.
• Connect the White/black wire to the radio's left front negative speaker output.
• Connect the Green wire to the radio's left rear positive speaker output.
• Connect the Green/black wire to the radio's left rear negative speaker output.
• Connect the Gray wire to the radio's right front positive speaker output.
• Connect the Gray/black wire to the radio's right front negative
speaker output.
• Connect the purple wire to the radio's right rear positive speaker output.
• Connect the purple/black wire to the radio's right rear negative
speaker output.
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