Connect the speaker level inputs and as soon as you turn on the factory audio system the lc2i will power up as well. The lc2i requires a 12v in order to run properly.

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Lc2i wiring diagram. Also with the audio control lc2i using an accessory turn on rather than its automatic one has helped remove turn on pops for several applications i have installed them in. How does gto work. Splice and solder your connections properly and you cant go wrong. The lc2i is a compact two channel processor with active input circuitry which allows it to accept speaker level signals of up to 400 watts per channel from factory installed source units or amplifiers. Cant find the answer youre looking for. And yeah the thought.
The preferred wire gauge for the connection is a 18 awg and a 1a fuse is recommended. A jumper which you can reach from the. I go over how to wire the alpine 445u power pack lc2i line out converter and a subamp to a stock head unit. Link to lc2i manual on audiocontrols website. It converts them to high quality pre amp signals that can then be directed to after market processors andor. I forgot to add fuses for either power wire in the diagram.
In short the lc2i gives you the brilliant sound quality that selectable gto auto sensing turn on circuit no remote wire needed system diagrams. No need to look for a trigger wire. Gto great turn on. The wiring harness for these toyota trucks isnt too complicated so im sure you can find a diagram. There is no wire to connect to the remote in once speaker wires are connected into the lc2i the signal of the music will activate it and turn the lc2i on. This guide is for those who have a substandard stock stereo but wish to keep the car.
You should have a power wire coming in from your battery into the 12v input of the lc2i. Gto or great turn on signal sense turns on the lc2i. You will then have a wire coming from the lc2i remote out and into the remote in of the amp. After the lc2i turns on it provides a 12 volt trigger output to turn on your amplifier. However you still need power and ground. For best results the 12v should be provided by the battery via direct line or from a power distro block.
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