Question about DHD NTX-2114 Car Audio Amplifier

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Help installing DHD 2114 amp to Impala 03 factory radio

Tire monitor, oil change...etc.. the reset gauges are all jacked into the factory radio so new radio is out. I would like to at least add some power to 4 ~ 10in @150watt subwoofer. Where can i get Wiring diagrams for factory installed - car stereo and how do i add an amp to it? please help, point me in a direction.

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  • izhemad May 14, 2009

    The make of car is Chevy Impala LS 2003 ~ with factory radio/tape/cd player and onstar. Thanks for the help.

  • izhemad May 14, 2009


    blueextc3221! you rock!



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What car are you looking for the wiring diagram for?

A simple line level converter would convert an input signal to a factory speaker - into a useable Low Level RCA signal for your amplifier.
Help installing DHD 2114 amp to Impala 03 factory  - 033d2e7.jpg There is your signal - now all you'll need from behind the radio is the 12V Remote signal.
Send me your make/model/year, and i will tell you which wire to use.

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Posted on May 14, 2009

  • blueextc3221
    blueextc3221 May 14, 2009

    Sorry - i didnt see 2003 Impala in the title - it got cut off.

    The wire you are looking to tap into is the switched ignition wire.

    This is a thick(er) pink wire located in the ignition harness under the steering wheel.

    it will be just above the brake pedal behind the lower dash trim.

    Your radio is data bus controlled so there are no wires to tap into behind it. Use T taps and tap into the rear speaker wires + and - for your line level adapter.

  • blueextc3221
    blueextc3221 Nov 09, 2011

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I just changed the oil in my 2002 Impala LS and filled the tires to the proper psi but the message center still reads both messages.....change engine oil..........tire pressure low. What do I need to do to...

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pretty cool huh? but make sure your tires were properly inflated before you reset the tire monitoring system .

Jan 02, 2009 | 2002 Chevrolet Impala

1 Answer

Can u reset oil,tire,ect...without original radio on a 2001impala

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