LC-GMRC-03
Cadillac Class II data bus interface
1996-2005
APPLICATIONS
CADILLAC
Catera
1997-2001
Deville
1996-1999
Deville*
2000-2005
Eldorado
1996-2002
FEATURES
• Provides accessory (12-volt 10-amp)
• Retains R.A.P (Retained Accessory Power)
• Used in non-amplified systems or when bypassing an amplified system
• Retains all warning chimes through onboard speaker
• Low profile case
• USB updatable
Note: If OnStar is present it will be lost.
INTERFACE COMPONENTS
• LC-GMRC-03 interface • 32-pin Cadillac harness
TOOLS REQUIRED
• Cutting tool • Crimping tool • Tape
• Connectors (example: butt-connectors, bell caps, etc.)
METRA. The World's best kits.™
Installation Instructions for LC-GMRC-03
Seville
1996-1997
Seville*
1998-2004
*Note: You must bypass the factory amp in
these vehicles to use this interface.
1-800-221-0932
CONNECTIONS TO BE MADE
From the 4-pin harness to the aftermarket radio:
• Connect the Yellow wire to the constant/memory wire.
• Connect the Red wire to the accessory wire.
• Connect the Black wire to the ground wire.
• Plug the 4-pin harness into the LC-GMRC-03 interface.
From the 32-pin harness to the aftermarket radio:
• Connect the Blue wire to the antenna turn-on wire.
• Connect the Orange/White wire to the illumination wire (if the aftermarket
radio has no illumination wire, tape off the Orange/White wire).
• Connect the White wire to the left front positive speaker output.
• Connect the White/Black wire to the left front negative speaker output.
• Connect the Gray wire to the right front positive speaker output.
• Connect the Gray/Black wire to the right front negative speaker output.
• Connect the Green wire to the left rear positive speaker output.
• Connect the Green/Black wire to the left rear negative speaker output.
• Connect the Purple wire to the right rear positive speaker output.
• Connect the Purple/Black wire to the right rear negative speaker output.
• Plug the 32-pin harness into the vehicles wiring harness.
INSTALLING THE LC-GMRC-03
• Initialize the interface by turning the ignition on for 30 seconds, then turn
the ignition back off, and on again.
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