Component Placement Volvo Bus Corporation See also, 300, Component placement, Description, Design and function The reader is advised that printed copies are uncontrolled. 34 FH1A, FH1B FH2A, FH2B FH3A, FH3B, FH4A, FH4B U06 BB11, BBOX BB13 FTM, KH2A, KH2B, GS1, XC933 GB1 IS, XC925, SP F, SP RR _ _ KH1A, KH1B, KH3A, KH3B RL4 (B6R/B7R, B9R, B12M, B12B) XC917, XC921, XC935, XK2 ACC, BB10B, XC937 S T S, S T T _ _ _ _