





🔌 Upgrade your classic GM’s sound with zero fuss!
The METRA Ltd 70-1677-1 wiring harness is a precision-engineered solution designed for 1978-1991 GM and Chevrolet vehicles, enabling effortless installation of aftermarket radios using existing factory wiring. Lightweight and compact, it ensures OEM-level fit and power delivery for enhanced audio performance.

| Manufacturer | METRA Ltd |
| Brand | Metra |
| Model | 70-1677-1 |
| Product Dimensions | 20.32 x 12.7 x 5.08 cm; 45.36 g |
| Item model number | 70-1677-1 |
| Exterior | Painted |
| Manufacturer Part Number | 7016771 |
| OEM Part Number | 70-1677-1 |
| Item Weight | 45.4 g |
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