Metra 70-2054 - Manual
Primarily a compatibility and wiring guide for aftermarket car audio bypass harnesses and installation diagrams for specific vehicle models from Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, and Pontiac. It covers amplifier locations, RPO code matching for compatibility, and detailed wiring pinouts–including wire color assignments–for speaker and subwoofer connections across various model years and configurations. The focus is on ensuring proper installation by aligning factory or aftermarket harnesses with vehicle-specific requirements, emphasizing non-standardized color coding in many cases.
Table of Contents:
- Page 1 – Installation Instructions for Amplifier Bypass Harness
- Page 2 – Metra Harness Compatibility Chart
- Page 3 – Meira Harness Compatibility Chart
- Page 4 – Factory Amplifier Locations and Crossover Information
- Page 5 – Factory Amplifier Locations for GMC/Hummer/Isuzu/Oldsmobile/Pontiac
- Page 6 – Metra Wiring Diagram for Cadillac Harness
- Page 7 – Speaker Wiring and Color Codes for Cadillac Systems
- Page 8 – Metra Luxury System Wiring and Color Codes
- Page 9 – Aftermarket Speaker Wiring Color Codes and Diagrams
- Page 10 – Wiring Harness Pinout for Chevrolet/GMC/Hummer
- Page 11 – Speaker and Subwoofer Wiring for Oldsmobile/Pontiac
- Page 12 – Aftermarket Speaker Wiring Diagrams
- Page 13 – Speaker Wiring for Chevrolet/GMC/Isuzu/Oldsmobile
- Page 14 – Metra Aftermarket Installation Wiring for Bose Systems
70-2054
INSTALLATION INSTRUCTIONS
General Motors Amplifier Bypass Harness
1-800-221-0932 www.metraonline.com
© COPYRIGHT 2001-2007 METRA ELECTRONICS CORPORATION
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About this manual
- Brand
- Metra
- Model
- 70-2054
- Document type
- Manual
- Language(s)
- English
- Pages
- 16
- File size
- 3.1 MB
- Format
Summary
Instructions for installing the Metra 70-2054 General Motors Amplifier Bypass Harness.
Compatibility chart listing Cadillac and Chevrolet vehicle models, RPO codes, and harness page numbers. Advises matching RPO codes for proper harness use.
Compatibility chart listing GMC, Hummer, Isuzu, Oldsmobile, and Pontiac vehicle models, RPO codes, and corresponding page numbers. Explains the meaning of RPO codes.
