Ive been on the hunt for a sending unit as well.....i came across this today, would this work in an 88 4.0L SWB?.....looks like this may be our solution?
http://www2.partstrain.com/store/?N=921 ... ,year:1988),AND(universal:1))&Vi=10857+1557+4294966973&y=1988&mk=Jeep&md=Comanche