Electrical Overview TRANSMISSION WIRING Engine and ABS 34B TRANSFER CASE MODULE Front Wall/ Sleeper Main Chassis Harness 376 AUXILIARY TRANSMISSION MODULE MAIN CAB HARNESS MODULE 320 MOD 294 34C / 352 MODULE EOF LIGHTING AXLE WIRING INTERLOCK MOD 87B AXLE TEMP MOD 865 FRONTWALL HARNESS MOD 321 TRAILER ENGINE HARNESS MODULE 286 / 283 WIRING PRIMARY TRAILER CBL ADDITIONAL MOD 296 LIGHTING MAIN CHASSIS HARNESS PRIMARY MOD 303 MOD 318 / 31J EXT.
LIGHTS MOD 288 SUPPLEMENTAL BEACON CABLE MOD 308 ADDITIONAL LIGHTS MOD 327 SUPPLEMENTAL FORWARD CHASSIS & Power Net Distribution Box (PNDB) MOD 334 SIGNAL 312 / 314 315 / 310 POWER WIRING BATTERY MOD 372 / 885 PTO ALTERNATOR ROUTINGS CABLES MOD 291 MOD 125 POWER JUMPSTART WIRING MOD 29A MOD 295 CAB POWER BATT SHUTOFF MOD 293 MOD 926 Page 1A-1 Rev (2.3) - Feb 2015