Head Unit Wireing Harness - NO FACTORY AMP - TundraTalk.net - Toyota Tundra Discussion Forum

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post #1 of 4 (permalink) Old 10-25-2016, 09:47 PM Thread Starter
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Head Unit Wireing Harness - NO FACTORY AMP

Alright so tonight went to tackle the mod of swapping out the factory amp with an aftermarket one and to my surprise and disappoment there IS NO FACTORY AMP under my passenger seat. Talk about major buzz kill. Now before you ask I have a 2015 SR Double Cab. My only solution that I can figure out to add an amp would be to tap into the harness on the back of the head unit. Can any of you audio gurus help me out here. What harness supplies audio signal to the speakers from the head unit? Does that also supply power? My plan is to just take the harness that holds audio signal and power and split it and running the power back to the head unit and the audio signal to a LOC then to my aftermarket amp and speaker signal out from my amp to the factory speakers. Thanks in advance.

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post #2 of 4 (permalink) Old 10-26-2016, 07:02 AM
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Buy the plugs that fit the factory wiring and the bags have the pin out on them.
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post #3 of 4 (permalink) Old 12-16-2016, 08:06 AM
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I have the same system, looking for answers too. Watching
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post #4 of 4 (permalink) Old 12-16-2016, 09:47 PM
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Tap the rear speakers at the B pillar connector, and the fronts before the dash speakers to get full signal, run those wires to the amp, assuming it can take high level inputs.

Would be easier behind the HU, sort of... but I did it as I stated to run signal to my processor before I swapped the HU. I didn't want to remove the HU initially. I should have.

If I had, I would have re-installed my factory HU when trading in.


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