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See all parts that fit your 1973 C10 Pickup

Metra 70-1858-1 Wiring Harness

Install a New Car Stereo in select 1987-2008 vehicles from GMC, Chevrolet, Pontiac

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• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

See compatible vehicles Learn more about the met-7018581
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List price $19.99
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$12.99

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Description


Metra brand icon

Authorized dealer

Product Features:

  • Wire harness to Install a new car stereo in Compatible with select 1987-2008 vehicles from GMC, Chevrolet, Pontiac
  • Plugs into the cars original factory radio connectors
  • Color-coded wires for easy installation to the aftermarket radio
  • No wire cutting needed for factory radio connectors
  • Plugs into car harness at radio (21 pin)
  • 5" long
  • 1-year Manufacturer's Warranty

Basic Connections:

  • Red – 12V Constant
  • Yellow – 12V Accessory
  • Black - Ground
  • Blue - Power Antenna
  • Blue with White Stripe - AMP Turn On
  • Black with White Stripe - AMP Ground
  • Orange – Illumination
  • Brown - Phone Mute
  • Gray – Right Front Speaker (+)
  • Gray with Black Stripe – Right Front Speaker (-)
  • White – Left Front Speaker (+)
  • White with Black Stripe – Left Front Speaker (-)
  • Purple – Right Rear Speaker (+)
  • Purple with Black Stripe – Right Rear Speaker (-)
  • Green – Left Rear Speaker (+)
  • Green with Black Stripe Left Rear Speaker (-)

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Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

The vehicle you have selected 1973 Chevrolet C10 Pickup is not compatible. Change vehicle or See list of compatible similar products


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Item Details


Manufacturer:

Model Number:

70-1858-1

Weight:

0.15lbs

Internal SKU:

met-7018581

Internal Product ID:

205960

Customer Ratings & Reviews


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  • Owner's manual
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  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.