
XSVI-2004
INSTALLATION INSTRUCTIONS
Chevrolet Corvette Data Interface
1997-2004
INTERFACE FEATURES
• Provides accessory power (12-volt 10-amp)
• Retains R.A.P. (retained accessory power)
• High level speaker input
• Retains amplified door woofers
• Micro-B USB updatable
INTERFACE COMPONENTS
• XSVI-2004 interface • XSVI-2004 harness package* • Differential converter
* Consists of (2) harnesses
TABLE OF CONTENTS
Connections ............................................................2
Installation .............................................................2
Programming .........................................................3
Adjustments ........................................................... 3
TOOLS & INSTALLATION ACCESSORIES REQUIRED
• Crimping tool and connectors, or solder gun,
solder, and heat shrink • Tape • Wire cutter
• Zip ties • Small flat-blade screwdriver
Product Info
AxxessInterfaces.com © COPYRIGHT 2019 METRA ELECTRONICS CORPORATION REV. 9/24/19 INSTXSVI-2004

CONNECTIONS
I N STA L L AT I O N
From the XSVI-2004 harness to the aftermarket radio:
• Connect the Black wire to the ground wire.
• Connect the Yellow wire to the battery wire.
• Connect the Red wires (qty. 2) to the accessory wire.
• Connect the Blue/White wire to the amp turn on wire.
• Connect the Orange wire to the illumination wire (If applicable)
• Connect the Gray wire to the front right positive speaker output.
• Connect the Gray/Black wire to the front right negative speaker output.
• Connect the White wire to the front left positive speaker output.
• Connect the White/Black wire to the front left negative speaker output.
• Connect the Purple wire to the rear right positive speaker output.
• Connect the Purple/Black wire to the rear right negative speaker output.
• Connect the Green wire to the rear left positive speaker output.
• Connect the Green/Black wire to the rear left negative speaker output.
Attention! There are two identical 12-pin harnesses from the XSVI-2004 harness, one with power
wires, and one with speaker wires.
Differential converter:
1. Connect the 12-pin speaker harness
from the XSVI-2004 harness into the
differential converter.
2. Connect the 8-pin harness from the
XSVI-2004 harness package into the
XSVI-2004 interface:
3. Connect the 12-pin power harness from
the XSVI-2004 harness into the
XSVI-2004 interface.
4. Connect the XSVI-2004 harness to the
wiring harness in the vehicle.
differential converter, and then to the
wiring harness in the vehicle.
XSVI-2004 INTERFACE
Reset
LED
TO XSVI
RADIO CONNECTIONS
3
VEHICLE CONNECTORS
2
LD-AX-XSVI-GM5
DIFFERENTIAL CONVERTER
I N T E G R A T E
OUTPUT
INPUT
1
2

PROGRAMMING ADJUSTMENTS
Attention! If the interface loses power for any reason, the following steps will need to be
performed again.
1. Cycle the key on and wait until the radio comes on.
Note: If the radio doesn’t come on within 60 seconds, cycle the key off then unplug the
interface. Check all connections, reconnect the interface, and then try again.
2. Cycle the key off. If the driver’s door is closed, open and close the door. Cycle the key back on.
3. Test all functions of the installation for proper operation, before reassembling the dash.
Note: The LED in the differential convertor is inoperable.
Audio Level Adjustment
1. Turn the volume of the radio up 3/4 of the way.
2. With a small flat-blade screwdriver, adjust the (4) potentiometers clockwise to raise the
audio level; counterclockwise to lower.
3. Once at a desired level, audio level adjustment is complete.
REV. 9/24/2019 INSTXSVI-2004
3

XSVI-2004
INSTALLATION INSTRUCTIONS
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Contact our Tech Support line at:
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AxxessInterfaces.com © COPYRIGHT 2019 METRA ELECTRONICS CORPORATION REV. 9/24/19 INSTXSVI-2004