new here have question about after market head

In stalling an up date head unit in my 2014 Basic tacoma is a plug and play, after hooking up all the required connections, i am installing an after market back up camera got to the point as to were when you shift into reverse the head is showing a camera on screen like it is hunting for one, i was surprised it did this the plug on the back of the unit has a plug for camera and has two small wires for bluetooth, is this were i just plug in the after market as the brown trigger wire is asking for this. Thanks

 

Does the aftermarket have instructions?
I would go to the Stereo manufacturers website and the Camera manufacturers website for accurate information...

 

It's different for just about every head unit. Read the manual and it will tell you.

 

Definitely need more information, I'd also cross post in the Audio and Video area for a more targeted audience. Welcome!