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Metra 71-1677-1

Reverse Wiring Harness for 1978-1990 GM Vehicles 12-PIN Factory Radio

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• Wiring Harness For 1978-1990 GM Vehicles With 12-Pin Factory Radio
• 12 Pin Plugs Into OEM Radio
• Power/4 Speaker
• Can Be Used To Repair Damaged Harness

See compatible vehicles Learn more about the met-7116771
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List price $23.99
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$15.99

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Description


Metra brand icon

Authorized dealer

Product Features:

  • 12-pin plug and one 2-pin plugs into OEM Radio
  • Power/4 Speaker
  • Harness is designed to plug into the factory radio
  • Can be used to repair a harness where the plugs have been cut off or damaged
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Connections:

  • Yellow – 12V Constant
  • Red – 12V Accessory
  • Black - Ground
  • Orange – Dash Light Dimmer/Illumination
  • Green – Left Rear Speaker (+)
  • Green with Black Stripe Left Rear Speaker (-)
  • White – Left Front Speaker (+)
  • White with Black Stripe – Left Front Speaker (-)
  • Purple – Right Rear Speaker (+)
  • Purple with Black Stripe – Right Rear Speaker (-)
  • Gray – Right Front Speaker (+)
  • Gray with Black Stripe – Right Front Speaker (-)

Compatibility List:

  • Buick:
    • 1982 - 1987 Century
    • 1984 - 1987 Le Sabre
    • 1984 - 1987 Regal
    • 1983 - 1987 Regal T-Type
    • 1984 - 1985 Riviera
  • Cadillac:
    • 1985 - 1987 Coupe De Ville
    • 1985 - 1987 Fleetwood
    • 1984 - 1987 Sedan Deville
    • 1984 - 1987 Seville
  • Chevrolet:
    • 1985 - 1990 Astro
    • 1978 - 1991 Blazer
    • 1982 - 1989 Camaro
    • 1985 - 1990 Caprice
    • 1982 - 1990 Cavalier
    • 1979 - 1989 Corvette
    • 1985 - 1989 Impala
    • 1981 - 1988 Monte Carlo
    • 1983 - 1989 S-10 Blazer
    • 1982 - 1988 S-10 Pickup
  • Oldsmobile:
    • 1985 - 1993 98
    • 1985 - 1989 Cutlass Calais
    • 1987 - 1987 Cutlass Ciera
    • 1984 - 1989 Cutlass Supreme
  • Pontiac:
    • 1985 - 1991 Bonneville
    • 1982 - 1989 Firebird
    • 1985 - 1989 Grand AM
    • 1985 - 1987 Grand Prix

Compatible Vehicles


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

The vehicle you have selected 1997 Oldsmobile Bravada is not compatible. Change vehicle or See list of compatible similar products


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Item Details


Manufacturer:

Model Number:

71-1677-1

Weight:

0.15lbs

Internal SKU:

met-7116771

Internal Product ID:

12580

Customer Ratings & Reviews


Metra 71-1677-1 thumbnail image

5 star
75%
4 star
25%
3 star
0%
2 star
0%
1 star
0%



Durability
4.7
Value
5
Features
5
Design
5
Usability
4.7

Customer Reviews

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Cadillac Reverse Harness

The item worked flawlessly, easy to install, you will be satisfied.

By Campbesa on March 17, 2014

48 found this helpful


Just what I needed

Perfect repair part for what I needed, to un-do the butchery of a semi-skilled installer.

Only issue I had with the harness was to match up the proper wires, not all the color codes are the same from the harness to the Metra jumper.

Solution is to go online and search for the wiring diagram, then label each jumper wire with a small masking tape 'flag' with the color it is supposed to connect with, so you know which wire goes where.

Buy a big box of solderless connectors and crimping pliers, then just take your time and it will work fine.

By Triple Black on October 6, 2010

35 found this helpful


exactly fits requestd vehicle

I couldn't get item anywhere at this price at retail store.

By roger on February 19, 2016

24 found this helpful


By Harrison on December 29, 2024 Checkmark Icon Verified purchase



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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.