Metra 70-1677-1 — Radio Replacement Harness - GM 1973-1993

Available to order. This item can be ordered when it is not physically stocked at Sound Connection and will be sourced from our supplier. Supplier availability and lead times vary; contact us to confirm timing before ordering if you have a deadline.

Vehicle-side wiring adapter for a compatible aftermarket radio installation. Connections to the receiver wiring and any additional feature-retention interfaces must be checked separately.

• Manufacturer part number: 70-1677-1

Confirm fitment before ordering. A year range or vehicle name alone does not guarantee compatibility. Factory audio equipment, trim and installation location may change which parts are needed. Check our Vehicle Fit Guide and contact Sound Connection if you need help selecting the complete installation parts.

Manufacturer specifications and application notes