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  1. Dimming lights after Subwoofer install (Honda Civic Coupe 2012)

    Audio/Video & Navigation
    Hi, I recently installed a Subwoofer on my Honda Civic 2012 LX coupe and my headlights dim after install. Its just a 120W sub with built in AMP by MTX audio.installation was done by a car shop. Installed a capacitor and it didn't solve the issue. Also noticed the car idles at low RPM and is a...
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