On the shoulder belts, I have two 1976 W100s, and both are factory correct (bought new, never changed). My Dad's 1976 was built 12/5/75 and has lap belts, my black '76 was built 7/16/76 and has shoulder belts. The black one also came with factory A/C and a 440 and AM/FM radio, whereas my Dad's is 318 no A/C and AM radio, so many more options on the black truck vs. the red one. Just FYI.
JS
76 Dodge Adventurer Sport Power Wagon W100 318, 727, NP203 Fulltime 4x4 Russet Red
06 Jeep Commander Ltd 4x4, 5.7L Hemi, QuadraDrive II
06 Chrysler 300C AWD 5.7L Hemi
10 Mopar 10 Challenger R/T, #483/500, 5.7L HEMI
10 Jeep Grand Cherokee Ltd 4x4 5.7L HEMI
11 Dodge Ram 1500 LoneStar Quad Cab, 5.7L HEMI, Fulltime 4x4, Deep Cherry Red
16 Jeep Cherokee Limited 3.2L Pentastar V6, 9 Speed Torqueflite, 4x4, Black
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