Thread: DIY alpine ai-net with rca/head phone adapter for ipod? gurus needed

Originally Posted by MatrixPC

For cable, just make sure you connect the right wire to the 3.5mm jack/plug.
Since you already have the AiNet cable, just buy RCA - 3.5mm jack and call it a day. You don't have to worry about soldering a wrong/reverse pin.

For the second time, he doesn't HAVE a premade AI-NET aux-in. He took a standard AI-NET cable that he cut in half and is butchering to make the connection.

Tip - The outermost connector on a 3.5" conneciton
Ring - The center connector
Sleeve - The most inner connector

Tip - Left
Ring - Right
Sleeve - Ground

If it's freezing the HU, it's possible the pinout you have is incorrect. I believe as far as the AI-NET switch, it should probably be on the Non-EQ setting.

this is so frustrating...and im a girl all my wiring is correct i believe. my aux is on, mute i tried both on and off and the same with the interupt. i tried grounding the interupt wire, not grounding it. eq/norm switched those. i think i tried every combination. i have a feeling if i just buy the ainet/rca cable it is not going to work. this was my ex's HU and he had the ipod thing all hooked up with the 420i, before he pulled it it worked fine. are there any wires in the harness that are needed for the ainet to work? maybe when he wired it up when and soldered all the wires he left something out because i didnt have a cd changer

what is the model # of your alpine?

cda-9815

welp, i used to have a 9815, all you should have to do is switch aux-input on in the HU's settings... but you've tried that so im gonna have to go with its a wiring issue or a bad unit. you seem determined to wire this thing up yourself w/o buying the inexpensive plug from alpine; my suggestion would be to buy the KCA-121B from a local store like tweeter for testing purposes only. plug this in and hook up an aux source to it (i.e. your ipod) if your getting sound from it then you know you got your wires wrong. if not... id look into sending your alpine out for repair. Out of curiosity, do you have anything else plugged into the ai-net (like sirius or xm)?

link to crutchfield.com (kca-121b) $15.99

as far as the switch on the side of your unit for the ai-net eq. on/off, this switch will disable the alpine from controlling the sound levels going to your speakers; you will have to turn up and down the volume using the ipod instead of the knob on your head-unit... so leave it on b/c that can be a pain in the ***.

I don't know if you've figured it out yet or not... but I've done exactly what you are trying to do many times before, with both Ai-net and M-bus applications. After you cut open the Ai-net cable, (colors might vary depending how old the cable is) you should see a yellow wire, orange wire, and 2 gray cables. In the first gray cable there is a sheild, red, and white wire. These are NOT audio wires... do NOT use these for audio input. I forget what exactly these serve... I think its data. But the wires you want are in the second gray cable... the sheild being the audio ground, green is left channel, and blue is right channel (I might have the left and right backwards, but I doubt you'd notice a differnce). Once this is wired and the AUX is turned on, you should have no problem.

yea thanks, i actually had the wrong wires i think i had the diagram upside down. the correct ones were blue and green i think

OK, first that cable is like $8. But, what HU do you have? Please read this...

http://www.discountcarstereo.com/pdf/alpine_vlink.pdf

btw, hi all. Im new here and currently hooking a Zune to an Alpine.