"Hello, I need some help with my 2015 F150 XLT. I have s, including a rear OEM camera installed and i added the RCA cable into the APIM connector to add three more cameras. I purchased a video switcher on eBay and my question is: what can I use as a trigger for my front camera and side view mirrors?"

 

For your front camera and side view mirrors, I’d suggest using the ACC (Accessory) wire as a trigger. It usually provides power when the ignition is on, giving you a seamless switch when you fire up your truck.

 

Thank you

 

Would you supply the link to the switcher? I have the same setup and would like to have a forward cam.

 

Looks like this one perhaps.

Video Switcher 4 Input 1 Intelligent Car Video Switcher Converter Output Switch Video System Auto Parts https://a.co/d/93jWIpK