E-100, 200, 300 (1968-69) & U-100 (1968-70)
Disconnect battery ground cable and remove screws retaining instrument cluster assembly to instrument panel. Carefully lift out cluster far enough to gain access to speedometer head. U-100 cluster is removed from rear of panel, E-100 to 300 is removed from front of panel. Disconnect speedometer cable from head. On U-100, disconnect instrument wiring and remove light clusters from back of dash noting location of each, remove assembly. On E-100 to 300, disconnect multiple connection of cluster wiring loom and remove cluster assembly.