Adding steering wheel controls?

[Mr Fluffers]

I have a Sony XAV-AX100. I'm looking to add steering wheel controls. My car doesn't have stock steering controls, so I bought an aftermarket steering wheel control. https://www.amazon.com/gp/product/B06Y5YQZ7N/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

My headunit says it came with a supplied wire but I don't recall ever receiving it, and if I did, it's long gone. I've been searching the internet and cannot seem to find the wire I need. I need to hook up the key 1 and key 2 wires from the remote to a 3.5m jack. I got an old set of ear buds and cut them off and tried using that wire with no luck. I'm not sure how to wire this? Is there a certain adapter I can buy?

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[audiobaun 5,000+ posts]

Id contact Sony with model number and see what they can help you with or what information they can provide for you.

 

[Mr Fluffers]

I will probably have to do that. I have seen people use Axxess adapters but didn't want to drop another $30-40 for steering wheel controls. I did last night buy a 3.5mm Y adapter. Cut off the two ends and there are three wires. When I connect two of them I get limited control. I am able to volume up, mute, skip forward, and volume down but not on the correct button. When I connect all three nothing works. When I connect one only volume up works. I went into the button mapping and it only allows me to program three buttons. When I try a fourth, it gives me an error and undoes the three buttons I already programmed. I guess that is really all I need. I do use the android auto and can use the Google assistant to make calls so the phone controls aren't really necessary.

 

[bluemind]

maybe you need to installed the CAN bus SWC interface and checked if the resistive value and SWC interact is outputting the correct resistive value