UPDATE:

A10 is the wire in question

 

Basically it’s the constant 12v power from your battery. Connect that to a fused always on 12v source.


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That would be the thicker yellow wire in the main loom you see in the photo, since it is working the wire must be connected. I would not connect the little one to battery+, not with any positive outcome from that

 

is most likely the "remote" wire. There can be one for power antenna and one for amp cont(rol).

As for sub level, make sure you've connected to the correct RCAs and whether there might be some configuration for that in the head unit.

If it's a china special h/u, good luck with that. I had one, it had a sub out but no kind of control for it in the interface. Had to use the rear outs and control both rear channels at the same time with the clumsy interface for adjustments. A pile of garbage.

 

is most likely the "remote" wire. There can be one for power antenna and one for amp cont(rol).

As for sub level, make sure you've connected to the correct RCAs and whether there might be some configuration for that in the head unit.

If it's a china special h/u, good luck with that. I had one, it had a sub out but no kind of control for it in the interface. Had to use the rear outs and control both rear channels at the same time with the clumsy interface for adjustments. A pile of garbage.

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Thanks for the info but it's not the remote wire because the head unit has a designated blue wire labeled remote. As for the rca cables the head unit only has a single set of audio out rcaS.

 

i googled it. Google says it goes to your amp, if you don't have an amp don't connect it.

 

Thanks for the input its much appreciated. However I don't believe it is for the amp. Where would I connect it? The amp has a connection for the 12v source wich goes to the battery. Then there is the ground connection which goes to the chasis. And finally the remote or antenna connection and that connects to the remote/antenna wire from the head unit. And of course the rcaS input and that connects to the head unit to. So where does the amp cont wire go? I tried using it like the remote/antenna wire but that did nothing. There is no way it could be the 12v source to power the amp because the wire is super thin. I use a 1/0 Guage wire with a 200 amp fuse to power the amp. Again thanks for your help it is appreciated.

 

The yellow wire which is amp continuous is for powering a separate "brick" amplifier off of the radio power supply. It is not meant for high current applications. So, basically, it is giving you a continuous 12 volt out to use. If it is not working there may be a setting on the radio to engage it.

 

If that was the case it would turn his amp on, albeit permenently, I have never ever seen a switchable live output on a radio... have you?

 

Can't imagine that little 0.75mm2 or so wire providing anything of use even for a small amplifier. Eitherway it's probably just a number of similar chinabay manufacturers using same connectors and pigtails, but having different applications between units where they might make use of them or might not. Unit I had had a completely useless sub RCA output that neither worked, nor had any kind of setting available in the unit. It's just the way these are.

 

I know exactly what this wire is for! It's for cars that have factory subwoofers you connect the factory amp to it for power since the factory amp isn't connect to the battery like an aftermarket amp..

 

Bro I have a factory amp and an aftermarket. The one from my factory amp what do I connect it to my other continues and ignition wire?

 

yeah because 12 v is so much power?? really? iets just a circuit that needs to make power to an amp,not to feed it.why else would you place a big postive en neg ground to your amp? just for fun?