Alpine amp wiring - Kia Forum

 
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post #1 of 6 (permalink) Old 06-16-2019, 09:29 PM Thread Starter
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Alpine amp wiring

Hello everyone, Im trying to install Alpine KTP-445 mini amp in my base trim 2017 Sportage LX with the stock head unit,I just figure out how to connect it to speaker wire, but where should i connect these 3 wires ? Power ,remote and ground. any in put will be very appreciate .Thank you!

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post #2 of 6 (permalink) Old 06-16-2019, 09:37 PM Thread Starter
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Here are pictures of wires from the head unit and amp
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post #3 of 6 (permalink) Old 06-30-2019, 10:44 PM
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Best bet since no one has answered would be to do it the good old way: test for power with a voltage tester and speaker signal at the output of the OEM radio with a pair of cables and a speaker. You can try to call Crutchfield for support, but I think it only applies if you bought anything there. If you buy radio/speakers from them they even include all you need to do it yourself. There's something they call a mastersheet with all the info. See if they can mail it to you. Good luck and please update the thread when you have a solution.
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post #4 of 6 (permalink) Old 07-05-2019, 03:30 AM
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Yup Crutchfield has a $10 make and model specific pdf guide on everything you need to know to install after market radio and or amplifier. Including info on what panels to remove and how

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post #5 of 6 (permalink) Old 07-05-2019, 06:27 AM
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Metra has an adapter harness that plugs into the factory connector and provides the wires you need to install aftermarket head unit, here is the part listing
Metra Online
if you look at the wiring color code, you could use that to find the pins on the factory harness that provide the constant, and switched power, for ground use chassis.
You will need to verify using a multimeter before just going to town on it.

Crutchfield also has some information on the harness, but to get the wiring diagram with pinouts you will need to purchase that from them.

https://www.crutchfield.com/p_120707...g-Harness.html
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post #6 of 6 (permalink) Old 07-05-2019, 06:29 AM
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I would say you could easily find the constant and switched power pins on the factory harness plug by disconnecting the harness, use the pictures in the above link, and with a multimeter locate the required pins.
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