Inleiding
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.
Veiligheidsinligting
- Always disconnect the vehicle's negative battery terminal before beginning any electrical installation to prevent short circuits and electrical shock.
- 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.
- Consult a professional automotive technician if you are unsure about any part of the installation process.
- Do not modify the wiring harness. Any alterations may void the product warranty and could cause damage to your vehicle's electrical system.
- Dra gepaste persoonlike beskermende toerusting, soos veiligheidsbril, tydens installasie.
Voertuigversoenbaarheid
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.
Belangrik: 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.
Pakketinhoud
Nadat u die verpakking oopgemaak het, maak seker dat alle komponente teenwoordig en onbeskadig is:
- 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.
Installasie-instruksies (Opstelling)
Gereedskap benodig
- Draadstroppers
- Draadkrimpers
- Elektriese band of hittekrimpbuis
- Multimeter (optional, for verifying connections)
- Panel Removal Tools (for vehicle interior trim)
Voorinstallasiestappe
- Ontkoppel battery: Locate your vehicle's battery and disconnect the negative (-) terminal to prevent electrical hazards.
- Verwyder fabrieksradio: Carefully remove the factory radio from the dashboard. This typically involves removing trim panels and unscrewing the radio unit.
- Identify Factory Harness: Locate the factory wiring harness that was connected to the original radio.
Bedrading verbindings
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.
Finale Stappe
- Verbind Harnas: Plug the Metra 70-2001 harness into the vehicle's factory radio connector.
- Toetsfunksionaliteit: Reconnect the vehicle's negative battery terminal. Turn on the ignition and test the aftermarket radio's power, sound, and other functions.
- Beveilig en hermonteer: Once confirmed working, carefully tuck away excess wiring, mount the aftermarket radio, and reassemble any removed dashboard trim panels.
Bedradingsdiagram
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.

Beeld: 'n Gedetailleerde view of the 32-pin connector on the Metra 70-2001 harness, showing the pin configuration.
| Draad kleur | Funksie |
|---|---|
| Geel | 12V Constant Power |
| Rooi | 12V Toebehore |
| Swart | Grond |
| Oranje | Verligting |
| Blou | Kragantenne / Ampverligter Aanskakel |
| Wit | Voorste linkerluidspreker (+) |
| Wit/Swart | Voorste linkerluidspreker (-) |
| Grys | Voor Regs Luidspreker (+) |
| Grys/Swart | Voor Regs Luidspreker (-) |
| Groen | Linker agter-luidspreker (+) |
| Groen/Swart | Linker agter luidspreker (-) |
| Pers | Regter agter luidspreker (+) |
| Pers/Swart | Regter agter luidspreker (-) |
Operasie
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.
Onderhoud
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.
Probleemoplossing
- Geen krag na radio:
- Check the vehicle's fuse box for any blown fuses related to the radio or accessory power.
- 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.
- Geen klank van luidsprekers nie:
- Confirm all speaker wires (white, gray, green, purple and their black-striped counterparts) are correctly matched and connected between the radio and the harness.
- Gaan die radio se fader- en balansinstellings na.
- Ensure the radio's amplifier turn-on wire (if applicable, usually blue) is connected.
- Onderbroke probleme:
- 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.
Spesifikasies
- Handelsmerk: Metra
- Model: 70-2001
- Connector Tipe: IDC (32-pin GM connector)
- Materiaal: ABS, plastiek
- Ingesluit komponente: 1994–2005 GM 32-Pin into Car Harness
- Kabel tipe: Power & Speaker
- Itemafmetings (L x B x H): Ongeveer 8 x 0.12 x 0.5 duim
- Item gewig: Ongeveer 22.68 gram
Waarborg en Ondersteuning
Waarborg: 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.
Kliëntediens: 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 webwebwerf.
Amptelik Webwebwerf: metraonline.com
