Scott,

It could be your am/fm stereo unit. I had the same happen to my 94 Trooper. The right front door speaker would cut in and out, then the back speakers started acting up. All the wiring and contacts checked out ok. So I replaced the stereo unit and the problem disappeared. HTH.

Leland


94 Trooper S, 3.2 SOHC, Auto, Aisin's, OME 912's, TBC, Indy 4x HD TRE, Tokico shocks, AR Outlaw II's 16x8, Bridgestone Revo's 265/75x16
89 Trooper S, 2.6, auto, work in progress