Description: Original Motorola radio service manual for the 1972 cars and trucks. This manual is for AM-FM radio unit model numbers: 2VV2145 (279959)(Volvo Canada); 1HA2146 (429371C91), 1HA2149 (431765C91)(International Harvester); 1KW2229 (K370-C-10)(Kenworth); 1CK2238 (647434)(Checker); and 1JN2239 (JH001)(Jensen Motor Co.). Manual number 72-7, dated 2/73 and has 16 pages. Includes operating instructions and adjustments, wiring diagrams, parts location photos, parts list and descriptions. The model number of your radio is located on the unit. Very good condition.