Where did it break.? I know on my truck there is actually a short pigtail connected to the main harness. This pigtail can be picked up at the dealer for either the oil psi sender or the idiot light sender. I think they are less then $10.

92 Toy XtraCab,SAS, Dual Ultimate Marlin Crawler, 5.29s, ARB/front, Detroit/rear, Bobbed Bed, 36" IROKs, BudBuilt crossmember, Longfields, AP Chromo inners