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Metra
Metra 70-1858-1 20-Pin Radio Wiring Harness for GM Vehicles
Metra 70-1858-1 20-Pin Radio Wiring Harness for GM Vehicles
Regular price
$19.99 USD
Regular price
Sale price
$19.99 USD
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Metra 70-1858-1 is a 20-pin fully terminated radio replacement wiring harness for GM vehicles using the compatible 20-pin fully terminated radio connector. It connects an aftermarket radio to the matching factory radio plug and includes a fully terminated 6-pin section.
At a Glance
- 20-pin fully terminated radio replacement wiring harness for compatible GM applications
- Includes additional fully terminated 6-pin section
- Connects to the factory radio plug for aftermarket radio installation
- Color-coded leads support standard aftermarket radio wiring
- No cutting of factory radio connectors is required
System / Wiring Notes
- Manufacturer page lists this as a GM 1988-2005 20-pin fully terminated harness, but detailed vehicle compatibility is not currently listed
- Verify exact vehicle fitment and connector style before purchase
- Additional installation parts may be required depending on vehicle and radio
Vehicle Compatibility
| Make | Model | Years | Notes |
|---|---|---|---|
| GM vehicles | Compatible 20-pin fully terminated radio applications | 1988-2005 | Detailed vehicle compatibility not currently listed by manufacturer; verify connector and fitment |
Installation Notes
- Confirm exact vehicle fitment, factory audio system, and radio connector before installation
- Additional parts such as a dash kit, antenna adapter, steering wheel control interface, or data interface may be required for a complete installation
- Professional installation is recommended for best results
- Check current manufacturer instructions and vehicle application data before installation
What’s in the Box
- Metra 70-1858-1 20-pin radio replacement wiring harness
Technical Specifications
- Brand: Metra
- Model: 70-1858-1
- Product Type: Radio wiring harness
- Application: GM aftermarket radio installations using the compatible 20-pin fully terminated connector
- Compatibility Type: Vehicle-specific
- Connection Type: 20-pin GM radio connector with fully terminated 6-pin section
- Speaker Support: Four-speaker connection where applicable
Identifiers & Packaging
- MPN: 70-1858-1
- UPC: 086429084623
- Sold As: Each
- Included Components: 20-pin fully terminated radio replacement wiring harness
Why Buy From MCOR Automotive
- Authorized retailer for the brands we sell
- Specialists in vehicle audio integration, radio replacement parts, and installation accessories
- 22+ years of professional automotive electronics experience
- Expert support for compatibility verification and proper setup
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