I bought a '00 about two weeks ago. I'm having the same problem with my passenger side rear door. I messed with it a bit, tried forcing it open, now I'm having problems with the "door ajar" light coming on. Hopefully I can tear it apart today and fix it.

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'00 Ranger 4x4 Off Road
4 Door Ext. Cab Flareside
3.0L V6 auto
265/75 R16 Wrangler TD tires
215,XXX miles
She gets me where I'm going