Cummins — XB

A B 0 1 2 3 4 0 1 POWER DISTRIBUTION 2/2 RELAY, NEUTRAL PWR DL4HN21−0.8 F42 FUSE, BACKUP LMPS. 20A 85 86 RLY29 XC1A94−0.8 N145N01−0.8 F17D3−2.0 F17C3−2.0 DL4LN21−0.8 40 DL4HN21−0.8 IGN A B F34 FUSE, REV/NEUTRAL POWER 30A 87A 87 RLY04 85 RELAY, IGN #3 F44 FUSE, HTD. AIR DRY /HTD DRAIN VALVE 15A 30 EPDMB_RD:D EPDMB_RD:E EPDMB_RD:L EPDMB_RD:K EPDMB_RD:J EPDMB_RD:H 87A 87 A B RLY17 RELAY, REV. PWR 85 86 30 A B 87A 87 86 F45 FUSE, SPARE/ FUEL SEP./ FUEL HTR 30A F48 FUSE, SLPR BOX/ BODY BLDR. BATT #1 30A/40A 30 EPDMP_A:D EPDMP_A:C EPDMP_A:B EPDMP_A:A EPDMG:G A B A B 85 86 CB1B−0.8 DL4LN21−0.8 XA:1 B SPDL4L XA:0 B SPDL4H BA:0 D SPCB1 A B C D E 1 2 3 POWER DISTRIBUTION 2/2 WIRING DIAGRAM:

AB BATT AF48 AF34 AF36 AF37 AF35 AF33 AF50 AF51 FUSE, FUSE, FUSE, FUSE, FUSE, FUSE, FUSE, FUSE, SLPR BOX/ REV/NEUTRAL HORN TRAILER CAB & TRLR TRAILER SPARE SPARE BODY BLDR. POWER 15A TAIL LMP. CLEARANCE LMP. STOP LMP. BBATT #1 B30A B B30A B30A B30A B10A B10A 30A/40A 85 30 85 30 85 30 85 30 RLY17 RLY14 RLY13 RLY39 RELAY, RELAY, RELAY, RELAY, REV. PWR HORN CAB & TRLR SPARE CLEARANCE LMP 86 87 87A 86 87 87A 86 87 87A 86 87 85 30 85 30 RLY11 RLY12 85 30 RLY29 RELAY, RELAY, R NE EL UA TY R, A L PWR TRLR. LMP T STR OA PIL LE AR M P 85 30 RLY38 86 87 87A 86 87 87A 86 87 87A RELAY, SPARE 86 87 XC1A94−0.8 SPRLY_30−3.0 EPDMB_RD:D EPDMB_RD:D EPDMB_RD:A EPDMB_RD:A E EP PD DM MP P_ _A A:

:D E EP PD DM MB B_ _R RD D: :E N F1 14 75 DN 30 −1 2− .00.8 E EP PD DM MB B_ _R RD D: :E E EP PD DM MB B_ _R RD D: :B S SP PR RL LY Y_ _8 86 5− −1 1.0 .0 E EP PD DM MB B_ _R RD D: :B SX T1 UW6 AF F GU P5 UA2 S AE R, AF F 3SU 03 A2 S E C, C L L C C 1 P O DE ,R S R E D/ DOG I O PH 2:A1 SX SXP PA AD D:1 :L 4B BL DD LL 44 HL NN 22 11 −− 00 .. 88 EP ED PM DMP_ PA _: AB E EEP PPD DDM MMB BB_ __R RRD DD: ::K HJ D DL L4 4L HF N N1 27 21C 1− −3 0− 0.8 .2 8.0 EP DD D HM H FFB CC_ 22R :1:D 2:K D DL L4 4L HN N2 21 1− −0 0.8 XC X 1A 1 1:1: .0 . 5 CC EEE PPP DDD MMM BBB ___ RRR DDD ::: MGF SS PP RRF LL47 YYA __− 88 771 −A.0 3− .3 0.0 EEE PPP DDD MMM BBB ___ RRR DDD ::: MGF EPDM B15A B A BE A:

C1 _J B L0 4 H :A 40 .8 C A 0 2 F29B1−1.0 EPDMP_A:E EPDME:C EPDMG:R B SPA C:0 B D 1 CB1B−0.8 EPDMG:G R RL ELY A0 Y2 , 30 85 EMS #2 87 86 85 30 RLY04 RELAY, AC:2 C IGN #3 EMS 86 87 87A AF39 AF49 AF46 AF47 AF38 FUSE, FUSE, FUSE, FUSE, FUSE, TRAILER ABS NOX TRANS/ ENG. ABS PWR 10A SPARE CTRL UNIT IGN B30A B B 20A B 15A B30A/10A AF45 AF44 AF42 AF40 AF43 AF41 FUSE, SPARE/ FUSE, FUSE, HEATED FUSE, ENG. FUSE, FUEL SEP./ HTD. AIR DRY BACKUP DRAIN COMP #2/ ENG. FUEL HTR /HTD DRAIN LMPS. VALVE CUMM. IGN COMP #1 EPDMC:M B30A B VALVE B20A B15A B15A/5A B15A 15A