1A 3.2a Western Star Bodybuilder Book: Revision T.o.C. b Power Net Distribution Box (PNDB) P. 1A-15 Power Net Distribution Box (PNDB) Fuse Cover and Label The PNDB is a new power delivery system for the WST and is MIDI Fuse Output 300 Amp Max designed to deliver more consistent and better protected battery power to the other components on the truck. The PNDB also has protected “keep alive” circuits that will maintain power even with the cutoff switch in the off position. The primary reason for this change is to provide power to the 2010 DEF purge system which drains urea from the delivery system and prevents the system from freezing during cold conditions.
Primary Solenoid for Cut Off Switch ATC Fuses ATC-D ATC-C The PNDB located at the lower LH front wall area is equipped with three MIDI fuses which supply power to the Main Power ATC-B ATC-A Distribution Module. These fuse connections have been relocated from the battery in 2010 to prevent corrosion and ATC Fuse Output improve the trucks reliability in severe conditions. Battery Input Primary Solenoid Cut Off Switch Connection INSTALLATION WITHOUT INSTALLATION WITH DISCONNECT SWITCH DISCONNECT SWITCH 2 3 1 D C B A D C B A 1 2 3 4 A B C X2 ATC Fuse output keeps power on after disconnect A B C D D E F X1 Solenoid Control Mating connector 23-13153-410 Models:
4700 ENH Fuse ATC-A ATC-B FuncƟon ECM/ATD ECU Emer PWR/LVD Sen RaƟng 30 AMPS 5 AMPS Max. Fuse Allowed 30 AMPS 30 AMPS X2 Pinout 1 2 ATC-C ATC-D MIDI-1 (Fuse 1) Radio/Clock/VT/TLMY Alternator Remote Sense PDM #1 15 AMPS 5 AMPS 150 AMPS 30 AMPS 30 AMPS 200 AMPS 3 4 - MIDI-2 (Fuse 2) PDM #2 200 AMPS 200 AMPS - MIDI-3 (Fuse 3) Engine 125 AMPS 200 AMPS -