RepairPal Certified shops can diagnose and repair your 1995 Isuzu Trooper. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.
Its more than likely to be your relay which is in your fuse box under the hood and or under your dash by your left foot (Drivers side )----had same issue and was a combo of 1 tailight and relay!!!!