Part Name Description Location Part Type BB10A:1 remote control of extra power {IU 4 A} inline connector _ amplifier(12V) BB10A:3 +15(12V) {IU 3 C} inline connector _ BB10A:5 +30(12V) {IU 4 C} inline connector _ BB10A:7 Ground {IU 5 C} inline connector _ BB10A:9 N/A {IU 3 A} inline connector _ BB10B:1 remote control of extra power amplifier {IU 4 A} inline connector _ (12V) BB10B:3 +15(12V) {IU 4 C} inline connector _ BB10B:5 +30(12V) {IU 3 C} inline connector _ BB10B:7 Ground {IU 5 C} inline connector _ BB10B:9 N/A {IU 3 A} inline connector _ BB11:1 Connected to RL:3 {GB 5 B} inline connector _ BB13:1 AC 1 - 50% {BC 5 D} inline connector _ BB13:2 AC compressor 2 {CL 4 D} inline connector _ BB13:3 AC compressor 3 {CL 4 D} inline connector _ BB13:4 {FB 3 D} inline connector _ BB13:5 TORQUE REDUCTION {BC 5 D} inline connector _ BB13:6 AC compressor 2 {CL 3 B} inline connector _ BB13:7 AC compressor 3 {CL 2 B} inline connector _ BBOX:1 {AA 4 A} inline connector _ BBOX:2 {AB 4 C} inline connector _ BFEED:1 {CU 5 D} inline connector _ BMUX:1 {XD 4 D} inline connector _ BMUX:2 {XD 4 D} inline connector _ BMUX:3 Externa main switch {AA 5 C} inline connector _ BMUX:4 Externa main switch {AA 5 B} inline connector _ BMUX:5 {AA 5 C} inline connector _ Volvo Bus Corporation Document Title WIRING DIAGRAM Document Type PRODUCT SCHEMATIC Document No 20904123 Issue Index 04 Volume No 02(02) Page No 45(84) Part Name Description Location Part Type BB10A:1 remote control of extra power amplifier(12V) {IU 4 A} inline connector _ BB10A:3 +15(12V) {IU 3 C} inline connector _ BB10A:5 +30(12V) {IU 4 C} inline connector _ BB10A:7 Ground {IU 5 C} inline connector _ BB10A:9 N/A {IU 3 A} inline connector _ BB10B:1 remote control of extra power amplifier (12V) {IU 4 A} inline connector _ BB10B:3 +15(12V) {IU 4 C} inline connector _ BB10B:5 +30(12V) {IU 3 C} inline connector _ BB10B:7 Ground {IU 5 C} inline connector _ BB10B:9 N/A {IU 3 A} inline connector _ BB11:1 Connected to RL:3 {GB 5 B} inline connector _ BB13:1 AC 1 - 50% {BC 5 D} inline connector _ BB13:2 AC compressor 2 {CL 4 D} inline connector _ BB13:3 AC compressor 3 {CL 4 D} inline connector _ BB13:4 {FB 3 D} inline connector _ BB13:5 TORQUE REDUCTION {BC 5 D} inline connector _ BB13:6 AC compressor 2 {CL 3 B} inline connector _ BB13:7 AC compressor 3 {CL 2 B} inline connector _ BBOX:1 {AA 4 A} inline connector _ BBOX:2 {AB 4 C} inline connector _ BFEED:1 {CU 5 D} inline connector _ BMUX:1 {XD 4 D} inline connector _ BMUX:2 {XD 4 D} inline connector _ BMUX:3 Externa main switch {AA 5 C} inline connector _ BMUX:4 Externa main switch {AA 5 B} inline connector _ BMUX:5 {AA 5 C} inline connector _