AMC
No. The bolt patterns are different.
Yes
The Comanche comes with a 4.0 inline 6. But no the transmissions are not swappable, different bolt patterns
30 dollars
I don't know of a kill switch but there is a crank sensor.
it is located in the tank but you can get to it without dropping the tank. It is located top side..look for the fuel lines...and do you know how to hook up the vacuum lines on that same truck? or can you send me a picture of them?
Yes, J.W.Speaker makes a set of LED headlights for the 1984-2001 Jeep Cherokee - called 8900. They are 5x7" and fit the Jeep Commanche MJ and the Jeep Wrangler YJ as well. They are even ECE approved, so they are road legal in Europe. Their technology is based on a product development for the Oskosh vehicle of the US army.
yes as you will have to change some parts over from engine to engine but yes.
Check battery terminals for corrosion. If so, clean them.
No.
Counter shaft bearing has failed inside the transmission.
your fan switch may be bad look into replacing it