70-2054
INSTALLATION INSTRUCTIONS
General Motors Amplifier Bypass Harness
1-800-221-0932
© COPYRIGHT 2001-2007 METRA ELECTRONICS CORPORATION
INST70-2054
GMC
- Envoy 2000-01 w/ Bose System..................................................9
- Envoy 2002-04 w/ RPO code UQA ...............................................8
- Envoy XL 2003-04 w/ RPO code UQA ......................................... 8
- Jimmy 2000-02 w/ Bose System ............................................... 9
- Sierra 2003-06 w/ RPO code UQ7 w/o Y91................................. 5
- Sonoma 2000-02 w/ Bose System.............................................. 9
- Yukon Denali 2000 w/ Luxury System......................................... 3
- Yukon/XL/Denali 2001-02 w/ RPO code Y91................................ 4
- Yukon/XL 2003-06 w/ RPO code UQ7 w/o Y91............................ 5
HUMMER
- H2 2004-07 w/ RPO code UQ7 w/o Y91...................................... 5
ISUZU
- Ascender 2003-04 w/ RPO code UQA.......................................... 8
OLDSMOBILE
- Aurora 2001 w/ RPO code U80.................................................... 6
- Aurora 2002-03 w/ RPO code U80.............................................. 7
- Bravada 1998-01 w/ Bose System.............................................. 9
- Bravada 2002-04 w/ RPO code UQA........................................... 8
- Intrigue 2000-01 w/ RPO code U85 ............................................ 6
- Intrigue 2002 w/ RPO code U85.................................................. 7
PONTIAC
- Bonneville 2000-01 w/ RPO code U80........................................ 6
- Grand Prix 1998-01 w/ RPO code U85........................................ 6
- Grand Prix 2002-03 w/ RPO code U85........................................ 7
NOTE
RPO codes tell what options & accessories a vehicle has. RPO codes can be
found in the glove box, on the trunk lid or hatch, or on the drivers side door jam
near the latch. If you find the RPO code & it does not match one listed above for
your particular vehicle, you should not use this harness.
INST70-2054
AMPLIFIER LOCATIONS
CADILLAC
- CTS 2003-04 W/ RPO CODE U57…….....................BEHIND DRIVERS SIDE REAR PANEL IN TRUNK
- DEVILLE 2000-04 W/ RPO CODE UX8…………................................………….BEHIND REAR SEAT
- ESCALADE 2000 W/ LUXURY SYSTEM……….......................................…UNDER CENTER CONSOLE
- ESCALADE 2002 W/ RPO CODE Y91………….....................…BEHIND DRIVERS SIDE REAR PANEL
- ESCALADE EXT 2002 W/ RPO CODE Y91….......................................……UNDER CENTER CONSOLE
- SEVILLE 1998-04 W/ RPO CODE UX8…………................................……….…BEHIND REAR SEAT
- SRX 2004 W/ RPO CODE U57……….............……………BEHIND PASSENGER SIDE REAR PANEL
- XLR 2004 W/ BOSE SYSTEM .………....................…ON PASSENGER SIDE FLOOR UNDER CARPET
CHEVROLET
- AVALANCHE 2002 W/ RPO CODE Y91……………................................…UNDER CENTER CONSOLE
- AVALANCHE 2003-04 W/ RPO CODE UQ7 W/O Y91................................…UNDER CENTER CONSOLE
- BLAZER 2000-02 W/ BOSE SYSTEM……………….........................……UNDER CENTER CONSOLE
- S-10 2000-02 W/ BOSE SYSTEM…………………….....................……UNDER CENTER CONSOLE
- SIVERADO 2003-04 W/ RPO CODE UQ7 W/O Y91…..............................…UNDER CENTER CONSOLE
- SUBURBAN 2001-02 W/ RPO CODE Y91…...........................…BEHIND DRIVERS SIDE REAR PANEL
- SUBURBAN 2003-04 W/ RPO CODE UQ7 W/O Y91….............................…UNDER CENTER CONSOLE
- TAHOE Z71/LIMITED 2000 W/ LUXURY SYSTEM…….............................…UNDER CENTER CONSOLE
- TAHOE 2001-02 W/ RPO CODE Y91………..........................…BEHIND DRIVERS SIDE REAR PANEL
- TAHOE 2003-04 W/ RPO CODE UQ7 W/O Y91……............................……UNDER CENTER CONSOLE
- TRAILBLAZER 2002-04 W/ RPO CODE UQA..........................BEHIND PASSENGER SIDE REAR PANEL
- TRAILBLAZER EXT 2003-04 W/ RPO CODE UQA....................…BEHIND DRIVERS SIDE REAR PANEL
NOTE
Many factory amplifiers are now incorporating the crossovers for the tweeters and subwoofers within
the amplifier. When bypassing the factory amplifier, you need to cross over those speakers with either
passive crossovers or use an after-market AMP with built in crossovers.
INST70-2054
AMPLIFIER LOCATIONS
GMC
- ENVOY 2000-01 W/ BOSE SYSTEM…………….........................………BEHIND CENTER CONSOLE
- ENVOY 2002-04 W/ RPO CODE UQA................................…BEHIND PASSENGER SIDE REAR PANEL
- ENVOY XL 2002-04 W/ RPO CODE UQA…............................…BEHIND DRIVERS SIDE REAR PANEL
- ENVOY XUV 2004 W/ RPO CODE UQA…….............................….BEHIND DIVERS SIDE REAR PANEL
- JIMMY 2000-02 W. BOSE SYSTEM…….........................…………UNDERNEATH CENTER CONSOLE
- SIERRA 2003-04 W/ RPO CODE UQ7 W/O Y91…............................UNDERNEATH CENTER CONSOLE
- SONOMA 2000-02 W/ BOSE SYSTEM…………........................…UNDERNEATH CENTER CONSOLE
- YUKON DENALI 2000 W/ LUXURY SYSTEM….............................….UNDERNEATH CENTER CONSOLE
- YUKON/XL/DENALI 2001-02 W/ RPO CODE Y91.........................BEHIND DRIVERS SIDE REAR PANEL
- YUKON/XL 2003-04 W/ RPO CODE UQ7 W/O Y91........................…UNDERNEATH CENTER CONSOLE
HUMMER
- H2 2004 W/ RPO CODE UQ7 W/O Y91…………............……....…UNDERNEATH CENTER CONSOLE
ISUZU
- ASCENDER 2003 W/ RPO CODE UQA...............................…BEHIND PASSENGER SIDE REAR PANEL
OLDSMOBILE
- AURORA 2001 W/ RPO CODE U80…………………......................................…BEHIND REAR SEAT
- AURORA 2002-03 W/ RPO CODE U80……….....................................…………BEHIND REAR SEAT
- BRAVADA 1998-01 W/ BOSE SYSTEM….........................................UNDERNEATH CENTER CONSOLE
- BRAVADA 2002-04 W/ RPO CODE UQA................................BEHIND PASSENGER SIDE REAR PANEL
- INTRIGUE 2000-01 W/ RPO CODE U85……....................................……………UNDER REAR DECK
- INTRIGUE 2002 W/ RPO CODE U85……………….....................................……UNDER REAR DECK
PONTIAC
- BONNEVILLE 2000-01 W/ RPO CODE U80………….......................................…BEHIND REAR SEAT
- GRAND PRIX 1998-01 W/ RPO CODE U85…………........................................…UNDER REAR DECK
- GRAND PRIX 2002-03 W/ RPO CODE U85…………........................................…UNDER REAR DECK
NOTE
Many factory amplifiers are now incorporating the crossovers for the tweeters and subwoofers within
the amplifier. When bypassing the factory amplifier, you need to cross over those speakers with either
passive crossovers or use an after-market AMP with built in crossovers.
INST70-2054
CADILLAC
- CTS 2003-04 w/ RPO code U57
- Deville 2000-04 w/ RPO code UX8
- SRX 2004 w/ RPO code U57
NOTE
These wire colors do not follow the EIA/Metra color code
A1
Not Used
A
Not Used
A2 White/Red
A3 White/Blue
A4 Red
A5 Orange
A6 Gray
Left Rear Speaker (-)
Left Rear Speaker (+)
Left Front Speaker (+)
Left Front Speaker (-)
Center Speaker (-)
B White
C-F
G Brown/Yellow
H
Rear Sub (+)
Not Used
Rear Sub (-)
Not Used
A7 Dark Blue/White Center Speaker (+)
A8 Dark Blue
A9 Brown/White
A10 Brown
A11 Blue
Right Front Speaker (-)
Right Front Speaker (+)
Right Rear Speaker (+)
Right Rear Speaker (-)
Not Used
A12
B1-B12
Not Used
1
INST70-2054
CADILLAC
- Seville 1998-04 w/ RPO code UX8
- XLR 2004 w/ Bose System
NOTE
These wire colors do not follow the EIA/Metra color code
A1
Not Used
A
Not Used
A2 White/Red
A3 White/Blue
A4 Red
A5 Orange
A6 Gray
Left Rear Speaker (+)
Left Rear Speaker (-)
Left Dash Speaker (+)
Left Dash Speaker (-)
Center Speaker (-)
B White
C Violet
D Pink
Rear Sub (+) (Seville Only)
Right Front Speaker (-)
Left Front Speaker (+)
Left Front Speaker (-)
Right Front Speaker (+)
Rear Sub (-) (Seville Only)
Not Used
E
F
Light Green
Dark Blue/Pink
A7 Dark Blue/White Center Speaker (+)
G Brown/Yellow
H
A8 Dark Blue
A9 Brown/White
A10 Brown
A11 Blue
Right Dash Speaker (-)
Right Dash Speaker (+)
Right Rear Speaker (-)
Right Rear Speaker (+)
Not Used
A12
B1-B12
Not Used
2
INST70-2054
CADILLAC
- Escalade 2000 w/ Luxury System
CHEVROLET
- Tahoe Z71/Limited 2000 w/ Luxury System
GMC
- Yukon Denali 2000 w/ Luxury System
NOTE
These wire colors do not follow the EIA/Metra color code
A1-A4
Not Used
A
Not Used
A5 Orange
A6 Gray
A7 Dark Blue/White Right Front Speaker (-)
A8 Dark Blue
A9 Brown/White
A10 Brown
Right Rear Headliner Speaker (+)
Right Rear Headliner Speaker (-)
B White
C Violet
D Pink
Left Rear Speaker (-)
Sub (+)
Left Rear Headliner Speaker (+)
Left Rear Headliner Speaker (-)
Sub (-)
Right Front Speaker (+)
Right Rear Door (+)
Right Rear Door (-)
Left Front Speaker (-)
Left Front Speaker (+)
E
F
Light Green
Dark Blue/Pink
G Brown/Yellow
H
Left Rear Sub (+)
Not Used
A11 Blue
A12 Yellow
B1-B12
Not Used
3
INST70-2054
CADILLAC
- Escalade 2002 w/ RPO code Y91
- Escalade EXT 2002 w/ RPO code Y91
CHEVROLET
- Avalanche 2002 w/ RPO code Y91
- Suburban 2001-02 w/ RPO code Y91
- Tahoe 2001-02 w/ RPO code Y91
GMC
- Yukon/XL/Denali 2001-02 w/ RPO code Y91
NOTE
These wire colors do not follow the EIA/Metra color code
A1-A4
Not Used
A
Not Used
A5 Orange
A6 Gray
A7 Dark Blue/White Right Front Speaker (-)
A8 Dark Blue
A9 Brown/White
A10 Brown
Center Speaker (-)**
Center Speaker (+)**
B White
C Violet
D Pink
Left Rear Speaker (-)
Sub (+)
Right Rear Speaker (+)
Right Rear Speaker (-)
Sub (-)
Right Front Speaker (+)
“D” Pillar Speaker (+)**
“D” Pillar Speaker (-)**
Left Front Speaker (-)
Left Front Speaker (+)
E
F
Light Green
Dark Blue/Pink
G Brown/Yellow
H
Left Rear Speaker (+)
Not Used
A11 Blue
A12 Yellow
B1-B12
Not Used
**NOTE
These speakers are not used in the 2002 Escalade EXT and
2002 Avalanche
4
INST70-2054
CHEVROLET
- Avalanche 2003-04 w/ RPO code UQ7 w/o Y91
- Silverado 2003-04 w/ RPO code UQ7 w/o Y91
- Suburban 2003-04 w/ RPO code UQ7 w/o Y91
- Tahoe 2003-04 w/ RPO code UQ7 w/o Y91
GMC
- Sierra 2003-04 w/ RPO code UQ7 w/o Y91
- Yukon/XL 2003-04 w/ RPO code UQ7 w/o Y91
HUMMER
- H2 2004 w/ RPO code UQ7 w/o Y91
NOTE
These wire colors do not follow the EIA/Metra color code
A1-A4
Not Used
A
Not Used
A5 Orange
A6 Gray
A7 Dark Blue/White Right Rear Speaker (+)
Left Rear Speaker (+)
Left Rear Speaker (-)
B White
C Violet
D-E
Left Sub (+)
Right Sub (+)
Not Used
A8 Dark Blue
A9 Brown/White
A10 Brown
A11 Blue
A12 Yellow
Right Rear Speaker (-)
Left Front Speaker (+)
Left Front Speaker (-)
Right Front Speaker (+)
Right Front Speaker (-)
F
Dark Blue/Pink
Right Sub (-)
Left Sub (-)
Not Used
G Brown/Yellow
H
B1-B12
Not Used
5
INST70-2054
OLDSMOBILE
- Aurora 2001 w/ RPO code U80
- Intrigue 2000-01 w/ RPO code U85
PONTIAC
- Bonneville 2000-01 w/ RPO code U80
- Grand Prix 1998-01 w/ RPO code U85
NOTE
These wire colors do not follow the EIA/Metra color code
A1-A6
Not Used
A
Not Used
A7 Dark Blue/White
A8 Dark Blue
A9 Brown/White
A10 Brown
A11 Blue
A12 Yellow
Right Front Speaker (-)
Right Front Speaker (+)
Right Rear Speaker (+)
Right Rear Speaker (-)
Left Front Speaker (-)
Left Front Speaker (+)
B White
C Violet
D Pink
Left Rear Sub (-)
Left Rear Sub (+)
Right Rear Sub (+)
Right Rear Sub (-)
Left Rear Sub (-)
Left Rear Sub (+)
Not Used
E
F
Light Green
Dark Blue/Pink
G Brown/Yellow
H
B1-B12
Not Used
6
INST70-2054
OLDSMOBILE
- Aurora 2002-03 w/ RPO code U80
- Intrigue 2002 w/ RPO code U85
PONTIAC
- Grand Prix 2002-03 w/ RPO code U85
NOTE
These wire colors do not follow the EIA/Metra color code
A1-A4
Not Used
A
Not Used
A5 Orange
A6 Gray
A7 Dark Blue/White Left Rear Speaker (+)
Right Rear Speaker (+)
Right Rear Speaker (-)
B White
C Violet
D-E
Right Rear Sub (-)
Left Rear Sub (-)
Not Used
A8 Dark Blue
A9 Brown/White
A10 Brown
A11 Blue
A12 Yellow
Left Rear Speaker (-)
Right Front Speaker (+)
Right Front Speaker (-)
Left Front Speaker (+)
Left Front Speaker (-)
F
Dark Blue/Pink
Left Rear Sub (+)
Right Rear Sub (+)
Not Used
G Brown/Yellow
H
B1-B12
Not Used
7
INST70-2054
CHEVROLET
- Trailblazer 2002-04 w/ RPO code UQA
- Trailblazer EXT 2003-04 w/ RPO code UQA
GMC
- Envoy 2002-04 w/ RPO code UQA
- Envoy XL 2002-04 w/ RPO code UQA
- Envoy XUV 2004 w/ RPO code UQA
ISUZU
- Ascender 2003 w/ RPO code UQA
OLDSMOBILE
- Bravada 2002-04 w/ RPO code UQA
NOTE
These wire colors do not follow the EIA/Metra color code
A1
Not Used
A-B
Not Used
A2 White/Red
A3 White/Blue
A4 Red
A5 Orange
A6-A7
Left Rear Speaker (+)
Left Rear Speaker (-)
Left Dash Speaker (+)
Left Dash Speaker (-)
Not Used
C Violet
D Pink
Right Front Speaker (-)
Left Front Speaker (+)
Left Front Speaker (-)
Right Front Speaker (+)
Not Used
E
Light Green
F
Dark Blue/Pink
G-H
A8 Dark Blue
A9 Brown/White
A10 Brown
A11 Blue
Right Dash Speaker (-)
Right Dash Speaker (+)
Right Rear Speaker (-)
Right Rear Speaker (+)
Not Used
A12
B1-B12
Not Used
8
INST70-2054
CHEVROLET
- Blazer 2000-02 w/ Bose System (2002 models do not include double DIN radios)
- S-10 2000-02 w/ Bose System (2002 models do not include double DIN radios)
GMC
- Envoy 2000-01 w/ Bose System
- Jimmy 2000-02 w/ Bose System (2002 models do not include double DIN radios)
- Sonoma 2000-02 w/ Bose System (2002 models do not include double DIN radios)
OLDSMOBILE
- Bravada 1998-01 w/ Bose System
NOTE
These wire colors do not follow the EIA/Metra color code
A1-A4
Not Used
A-B
Not Used
A5 Orange
A6 Gray
Left Rear Speaker (-)
Left Rear Speaker (+)
Right Front Tweeter (-)
Right Front Tweeter (+)
Right Rear Speaker (+)
Right Rear Speaker (-)
Left Front Tweeter (-)
Left Front Tweeter (+)
C Violet
D Pink
Left Front Speaker (+)
Right Front Speaker (+)
Right Front Speaker (-)
Left Front Speaker (-)
Not Used
A7 Dark Blue/White
A8 Dark Blue
A9 Brown/White
A10 Brown
A11 Blue
E
Light Green
F
Dark Blue/Pink
G-H
A12 Yellow
B1-B12
Not Used
9
NOTES
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