1969 MACK R - EXTERIOR LIGHTING:BRAKE LIGHTS 1969 MACK R - VISIBILITY:DEFROSTER/DEFOGGER SYSTEM:WINDSHIELD:CONTROLS/WIRING 1969 MACK R - FUEL SYSTEM, GASOLINE:CARBURETOR SYSTEM 1969 MACK R - SUSPENSION:MULTIPLE AXLE 1969 MACK R - ENGINE AND ENGINE COOLING:ENGINE