METRA 21 Pin Wire Harness for General Motors (70-1858)

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Usually ships the same or next business day. In stock at our FL warehouse.
Calculated at Checkout
Stock Update:
06/01/2023 08:05:19 AM PST
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Bulk discount rates

Below are the available bulk discount rates for each individual item when you purchase a certain amount

Buy 2 and pay only $8.94 each 8.94
Buy 3 and pay only $6.92 each 6.92
Buy 4 - 9 and pay only $6.17 each 6.17
Buy 10 - 19 and pay only $4.34 each 4.34
Buy 20 or above and pay only $2.94 each 2.94
Stock Update:
06/01/2023 08:05:19 AM PST


This item is brand-new, factory sealed.

Metra 70-1858 Radio Wiring Harness For GM 88-05 Harness
  • Plugs into car harness
  • Power/4 Speaker
  • 21-Pin plug.5 inches long
  • Used for Installing an Aftermarket Receiver to factory plug
  • Allows for the installation of an aftermarket radio using the existing factory wiring and connectors
  • For 1988+ GM models
  • Item Weight: 0.48 ounces
  • Product Dimensions: 4 x 0.5 x 3 inches
  • Item model number: 70-1858
  • Warranty: Please contact the manufacturer
  • Weight: 1.6 Ounces

Connects an Aftermarket Receiver to Factory Plug on Select 1988-2002 GM Vehicles. We at Metra always strive to listen to our customers. You have told us to do a better job at telling the Metra story. For over 60 years, Metra has maintained its cutting edge by paying attention to our marketplace and innovating products to fit the needs of the installer. We are the 'Installer's Choice' because we are installers.



1988+ General Motors Power/4 Speaker



General Information
Brand NameMETRA
Manufacturer Website Address
Product TypeWire Harness
Product Name21 Pin Wire Harness for General Motors
ManufacturerMetra Electronics
Manufacturer Part Number70-1858
Product Information
Cable Length7"

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Warranty Information

All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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METRA 21 Pin Wire Harness for General Motors (70-1858)