Radio wiring diagrams

2016 KIA OPTIMA
100,000 MILES • 2.0L • 4 CYL • 2WD • AUTOMATIC
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XZURX
  • MEMBER
  • 1 POST
Hi there,

I am looking to install a aftermarket subwoofer in the car listed above SX Turbo with Navi and Harmon Kardon system. I am currently tapped into the rear trunk sub via LOC, but I would like to get rid of that setup if I can find a unamplified audio source possibly leading to the stock amplifier on the right rear trunk area. I have only seen wire diagrams of the speaker wiring from that amp but none of any audio signal going to the amp.

Anyhow, I am looking for a wire diagram for behind the head unit or wires leading to the rear amp, I prefer getting the audio from the rear amp as this would be the easiest.
Jun 28, 2022 at 4:49 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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STRAILER
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 54,181 POSTS
Yep, here are the radio and amp wiring diagrams to help you see how the system works and which wires you need to tap into for the aftermarket unit. Check out the diagrams (below). Please let us know if you need anything else to get the problem fixed.
Jun 28, 2022 at 7:38 PM
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