Mack Trucks Conventional 12V — POWER DISTRIBUTION EFRC 2/2

0 1 2 3 4 A A B B C C D D E E 0 1 2 3 4 GROUNDING WIRING DIAGRAM: AE M04 G02 Gear reduction Starter ALTERNATOR B+ 87 31 G NOTE: B- M INDIVIDUAL GROUNDING CIRCUITS C 30 +50 30 SIG A I B- R C AO NDN N GE RC OT UE ND D T INO G S SP TL UIC DE SS F,S RP OL MIC TE H P ISA PC AK GS E 87B ARE SHOWN ON PAGES SHOWING THE B+ RESPECTIVE SYSTEM. R01 G02.A.B- G02.B- Heater, engine preheat XC1C141-103.0 M04.C X01A3-1.0 A SPF X:0 0 C 1 X02BA1-3 X2 0.0 2BA1-50.0 XC1C14-103.0 D:A C:A X208 X02B1 X109L F ESPLIDCE PACCKB A Jump Start Cable Stud -32.0 GND X02B XC1_C12 M L K J H G FCC GE N:

D4 :C 1 X02CA7-5.0 1 2 X137A2-50.0 X01D1-50.0 X02A1 X02CA3-2.0 H YA 42:3 .A C :A X02C SPX109L2 XC1C142-62.0 B:BA:AC:C X03EA23-3.0 X71 SPX03EA2 GROUND, ENGINE BLOCK, X03EA2-3.0 ALTERNATOR, PRE-HEATER X137A_3 X137A1-50.0 SPX03EA1 SPX03EA3 SPX01B1 X03A X03EA3-5.0 X01BA3-19.0 X209A2-19.0 X137A_1 X03EA1-8.0 SPX03EB2 XC1C14-103.0 X137A X03EB2-5.0 X137B_1 B A CSTUD X137A_2 X01A2-32.0 CAB SPX03EB1 SPX03EB3 SPX03EB5 FM04 GROUND X03EB3-8.0 X03EB4-8.0 X137A5-50.0 X207_3 B A X207_2:A X137A4-50.0 X173A3-50.0 X137B B AC D E F X137AE_1 400A SPX137A X135A1-19.0 CAB X209A1-19.0 GND GND STUD M FUE SG EA B:BA:AC:C G FX IR F1 O T8 HU1 N WD XSP 0X 3C0 A3C 1A -81 .0 XX 00 33 DEB A1 1- -1 83 .0.0 SPX03DA1 XXX 000 333 DDFD AAA 27 --6 55- ..5 00.0 S SP PX X0 03 3D DB A1 2 SPX03DA3 XF_C6 HEEL X209_2 SPX01DA1 E BA ATTE BR +Y DF B Gat 0te 1ry 9D MXS AF1B .0 1:

C:10 :C: 1C 1 X XXF C01 1A 1-2 31- A-5 2. 1.0 309_1X01 JDA1- X8 D.0 XX X 0H H B1 1 1A A A2 1 2- - -3 3 3. . .0 0 MGGSS FGG PP CDDDD AXX T:::: :1133 HH BBEE :11 AAA AA12 S SG GP PE EX X: :3 4H D D1 1A A1 C X01C_C X01D1-32.0 FX 40u 01 s Aib8 le Link X01A1-8.0 RX A2 IL0 M7 SPX XBB 0 CP 1: _A :2 1 D B2 S1SA 6PD 5 C B 5 0A :: : 21 3 A3 CD 6 1 X XX 0 B0 11 1 AE A 11 2- 03 - 2 .0 0. -0 SPX XC C1 1A _X C3 F6 11 3A3-8. X0 C1X _12 G H GB N2EA D09FC K L M X209_3 XXX X 4HHH H 111 AAAA 1121 ---- 8333 .... 0000 0 SS PP XX HH 11 12 H 2 A B X207A B A C S F T R U A D E K 4 B B A B 8 . 1.0 4 C E JUNCTION 1 2