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  1. Home
  2. Crux Store
  3. Crux Car Audio & Electronics
  4. Crux Car Stereos
  5. Crux Factory Stereo Upgrades
  6. Crux Add an Audio Aux Input to Factory Stereo

Crux Add an Audio Aux Input to Factory Stereo for your 1990 Trooper close

Add an Audio Aux Input to your factory stereo easily with Crux's innovative adapters.

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1990 Isuzu Trooper

2012 Hyundai Sonata

2003 Cadillac Escalade

2011 Lexus IS250

2004 Subaru Forester

2000 Mazda B2500

2015 Dodge Charger

2003 Chrysler PT Cruiser

2011 Audi A5

2007 Audi A4

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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.

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