TM 10-3930-669-20 f. Cab Shunt Cable Installation. (1) Install three cables (15, 12, and 16) on ground mount (17) with washer (14) and screw (13). (2) Install cable (12) on cab shunt (9) with washer (11) and nut (10). (3) Install   six   wires   (8)   on   cab   shunt   (9)   with washer (7) and nut (6). (4) Install lower dash panel on dash frame (5) with seven washers (3) and screws (2). (5) Close cab door (1) 7-131