I have an omega remote starter that works off the factory remotes. I have the ign. harness plug in and in need of the wire colors / location for the trigger pulses, alarm disable, and pats wires from ign. switch.
Thanks,

 

You could start with these:

https://www.f150online.com/tech/remotestarter.html

http://www.bulldogsecurity.com/diagrams/diagrams.htm

The Bulldog site gave me all I needed when I did mine a few years back.

Good Luck!