I believe the earlier post is correct. The earlier Rangers did not come with remote start. I just bought a used 93 4x4 that had it installed by the previous owner. It is an Excalibur 1-Button Security & Remote Start. The book that came with it says, Designed by Omega, and has a
www.caralarm.com This one works fine, though a bit tricky on the timing on pushing the fob button. The owner had it installed by the local dealer.