70-1858 - Metra WIRING HARNESS | Aztek Computers
29+Years
SKU: S5470Q2KD7 |  Mfg. Part: 70-1858  | UPC: 086429002573  | 
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70-1858 - Metra WIRING HARNESS

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$17.39  $23.48
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Product Overview

Metra 70-1858 1987-2005 GM 21-Pin into Car Harness

Expert Overview

The Metra 70-1858 Wiring Harness is designed for integrating aftermarket audio systems into a range of General Motors vehicles manufactured between 1987 and 2005. This component facilitates a direct connection from a new head unit to the existing vehicle wiring, bypassing the need for cutting or splicing the factory harness. It is suitable for IT professionals and businesses managing vehicle fleets or upgrading in-car technology, ensuring a clean and reversible installation. The harness features a 21-pin connector, matching the specific pin configuration found in compatible GM models. This product addresses the common challenge of maintaining electrical integrity and simplifying the installation process when replacing original car stereos, reducing installation time and potential for wiring errors. It is a practical solution for ensuring compatibility and ease of upgrade for older GM vehicles.

Product Details

  • Manufacturer:
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  • METRA
  • 70-1858
  • B0002BEX8W
  • 086429002573
  • New
  • 1 lbs
  • 6 X 1 X 4
  • Jul 31, 2026
  • Jan 06, 2010
  • CHINA
Product Identifiers: Brand: Metra • Part #: 70-1858 • UPC: 086429002573 • ASIN: B0002BEX8W

Frequently Asked Questions

What vehicles is the Metra 70-1858 Wiring Harness compatible with?

This wiring harness is compatible with General Motors vehicles manufactured between 1987 and 2005. It is designed to connect to the factory wiring of these specific GM models.

What is the primary function of this wiring harness?

The primary function of the Metra 70-1858 is to allow for the installation of an aftermarket car stereo into a compatible GM vehicle without modifying the factory wiring harness. It provides a plug-and-play connection.

What type of connector does this harness feature?

The Metra 70-1858 Wiring Harness features a 21-pin connector. This specific pin configuration is designed to match the factory harness found in the specified GM vehicles.

Is this product suitable for maintaining original vehicle wiring?

Yes, this wiring harness is suitable for maintaining original vehicle wiring. It enables the installation of new audio equipment without cutting or splicing the existing factory harness, making the installation reversible.

70-1858 - Metra WIRING HARNESS

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Reviews for Metra 70-1858

$17.39