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See all parts that fit your 1979 Challenger

Crux GM49S-EXT

Install a New Car Stereo and Retain Steering Wheel Controls, Backup Camera and Other Factory Features in select 2019-2023 vehicles from GMC, Chevrolet

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

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List price $110.25
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$70.88

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Description



Crux GM49S-EXT


The CRUX GM49S-EXT is a 5-foot extension cable for select 2019-up GM vehicles with IOS, IOT, or IOU radios. It allows relocation of the factory radio module for easier integration with aftermarket interfaces. Plug-and-play design with no wire cutting required.


Product Features:

  • Wiring harness to install a new car stereo
  • Compatible with select 2019-2023 vehicles from GMC, Chevrolet
  • Retains factory steering wheel controls
  • Retains the factory backup camera
  • Retains accessory power (RAP)
  • Retains factory safety and warning chimes
  • Plugs into the car's original factory radio connectors
  • Color-coded wires for easy installation to the aftermarket radio
  • Does not retain OnStar
  • Does not retain the Bose amplifier
  • No wire cutting needed for factory radio connectors
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Compatible Vehicles


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

The vehicle you have selected 1979 Dodge Challenger is not compatible. Change vehicle or See list of compatible similar products


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Item Details


Manufacturer:

Model Number:

GM49S-EXT

Weight:

1.30lbs

Internal SKU:

gm49sext

Internal Product ID:

200822

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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.