If it's the one I think you are talking about,
it's a coarse thread bolt, unlike all the others, which are
fine thread.
If I'm not mistaken, it's on of the starter bolts.


1995 Trooper LS auto 3.2 DOHC /w SOHC intake
1989 Trooper 2.6 auto
1989 I-Mark RS DOHC 1.6
1991 Stylus XS DOHC 1.8