Introduktion
This manual provides comprehensive instructions for the proper installation and use of the Metra 70-2001 Radio Wiring Harness. This harness is specifically designed to facilitate the installation of an aftermarket car stereo into compatible General Motors vehicles, ensuring a secure and reliable electrical connection without cutting factory wiring.
Säkerhetsinformation
- Koppla alltid bort bilens negativa batteripol innan du påbörjar någon elektrisk installation för att förhindra kortslutning och elektriska stötar.
- Ensure all wiring connections are secure and properly insulated using electrical tape, crimp connectors, or heat shrink tubing. Loose connections can lead to electrical malfunctions or fire hazards.
- Rådfråga en professionell biltekniker om du är osäker på någon del av installationsprocessen.
- Do not modify the wiring harness. Any alterations may void the product warranty and could cause damage to your vehicle's electrical system.
- Använd lämplig personlig skyddsutrustning, såsom skyddsglasögon, under installationen.
Fordonskompatibilitet
The Metra 70-2001 Radio Wiring Harness is compatible with select General Motors vehicles manufactured between 1994 and 2004. This includes various models from Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac within this year range.
Viktig: Always verify that your vehicle's factory wiring harness connector physically matches the Metra 70-2001 connector before proceeding with installation. Vehicle models and trim levels can vary, and some vehicles within the specified range may use a different connector.
Paketets innehåll
När du öppnar förpackningen, se till att alla komponenter finns med och är oskadade:
- Metra 70-2001 Radio Wiring Harness (GM 32-Pin Connector)

Image: The Metra 70-2001 Radio Wiring Harness shown in its retail packaging, indicating the product model and compatibility.
Installationsanvisningar (Installation)
Verktyg som krävs
- Wire strippers
- Wire Crimpers
- Eltejp eller krympslang
- Multimeter (optional, for verifying connections)
- Panel Removal Tools (for vehicle interior trim)
Steg före installation
- Koppla bort batteriet: Lokalisera ditt fordons batteri och koppla bort den negativa (-) polen för att förhindra elektriska faror.
- Ta bort fabriksradion: Carefully remove the factory radio from the dashboard. This typically involves removing trim panels and unscrewing the radio unit.
- Identifiera fabrikskabelhärva: Locate the factory wiring harness that was connected to the original radio.
Kabelanslutningar
The Metra 70-2001 harness is designed to connect directly to your aftermarket radio's wiring. Match the wires from your aftermarket radio to the corresponding wires on the Metra 70-2001 harness. Refer to the wiring diagram section below for standard color codes. Ensure each connection is secure and properly insulated.

Image: The Metra 70-2001 Radio Wiring Harness showing the multi-colored wires ready for connection to an aftermarket radio.
Sista stegen
- Anslut kabelhärva: Plug the Metra 70-2001 harness into the vehicle's factory radio connector.
- Testfunktion: Reconnect the vehicle's negative battery terminal. Turn on the ignition and test the aftermarket radio's power, sound, and other functions.
- Säkra och montera ihop: Once confirmed working, carefully tuck away excess wiring, mount the aftermarket radio, and reassemble any removed dashboard trim panels.
Kopplingsschema
The following table outlines the standard wire color codes for the Metra 70-2001 harness. It is crucial to cross-reference these with the wiring diagram provided with your specific aftermarket radio, as color codes can vary between manufacturers.

Bild: En detaljerad view of the 32-pin connector on the Metra 70-2001 harness, showing the pin configuration.
| Trådfärg | Fungera |
|---|---|
| Gul | 12V konstant effekt |
| Röd | 12V tillbehörsström |
| Svart | Jord |
| Orange | Belysning |
| Blå | Strömantenn / Amplifier Slå på |
| Vit | Vänster främre högtalare (+) |
| Vit/svart | Främre vänster högtalare (-) |
| Grå | Höger främre högtalare (+) |
| Grå/svart | Höger främre högtalare (-) |
| Grön | Vänster bak högtalare (+) |
| Grön/svart | Vänster bak högtalare (-) |
| Purpur | Höger bakre högtalare (+) |
| Lila/svart | Höger bak högtalare (-) |
Drift
Once correctly installed, the Metra 70-2001 Radio Wiring Harness functions as a direct interface between your aftermarket radio and the vehicle's existing electrical system. It provides the necessary power, ground, accessory, and speaker connections, allowing your new radio to operate as intended, delivering audio to the vehicle's speakers and receiving power from the ignition and constant battery sources.
Underhåll
The Metra 70-2001 Radio Wiring Harness is a passive electrical component and requires no routine maintenance. It is designed for a long service life once properly installed. Periodically, if you experience audio issues, you may check the harness connections to ensure they remain secure and free from corrosion or damage.
Felsökning
- Ingen ström till radion:
- Kontrollera bilens säkringsbox för eventuella trasiga säkringar relaterade till radion eller tillbehörsström.
- Ensure the yellow (constant power) and red (accessory power) wires are correctly connected and receiving voltage.
- Verify the black (ground) wire has a solid connection to chassis ground.
- Inget ljud från högtalarna:
- Confirm all speaker wires (white, gray, green, purple and their black-striped counterparts) are correctly matched and connected between the radio and the harness.
- Kontrollera radions fader- och balansinställningar.
- Ensure the radio's amplifier turn-on wire (if applicable, usually blue) is connected.
- Intermittenta problem:
- Recheck all wire connections for looseness or poor contact. Ensure all crimps or solder joints are solid.
- Inspect the harness for any pinched or damaged wires.
Specifikationer
- Stämpla: Metra
- Modell: 70-2001
- Kontakttyp: IDC (32-pin GM connector)
- Material: ABS, plast
- Inkluderade komponenter: 1994–2005 GM 32-Pin into Car Harness
- Kabeltyp: Power & Speaker
- Objektets mått (L x B x H): Cirka 8 x 0.12 x 0.5 tum
- Artikelvikt: Cirka 22.68 gram
Garanti och support
Garanti: This product comes with a 1-Year Limited Warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from improper installation, accident, abuse, or unauthorized modifications.
Kundsupport: For technical assistance, troubleshooting, or warranty claims, please contact Metra Electronics customer service directly. You can find contact information and additional resources on the official Metra webplats.
Officiell Webplats: metraonline.com
