Western Star — Western Star Air & Electrical Systems Service Manual PDF (Rev 2.3) (EN)

Top of Dash Mount Navigation Prep Main Cab PNDB Connector Plug #23-13153-307 Positive Disconnect Switch 1 The disconnect switch system for 2010 has been reconfigured to provide better application coverage and provide for two levels of power disconnect based on the options ordered with the truck. 2 3 4 In-cab disconnect switches are offered in “locking” or “non-locking” configuration. Exterior battery mounted switches will be offered in the locking configuration only. Cutoff switches are equipped with red LED lights, which are illuminated when power is on. X1, Main PNDB Trucks equipped with the body builder auxiliary power system will have an additional LED light on the switch. Note: 1.

Both PNDB units will be deactivated when the switch is in the off position. 2. Positive disconnect switches do not isolate the starter. Negative Disconnect Switch The negative disconnect switch option is for use in emergency and dangerous goods applications only. This option provides a battery box disconnect between the starter and the batteries.

This option is currently only available with Detroit Diesel engine configurations Lockout Tab Auxiliary Power and Main Power LED Axillary Body Builder Cutoff Switch Standard Cutoff Switch Standard Power LED 293-058/-060 -061 Positive Disconnect Switch / 293-057 Negative Battery Box Switch Page 1A-4 Rev (2.3) - Feb 2015 293-058 POSITIVE LOAD DISCONNECT W/CAB MOUNTED CONTROL SWITCH MOUNTED OUTBOARD DR SEAT 293-060 POSITIVE LOAD DISCONNECT W/CAB MTD CONTROL SW W/LOCKING PROVISION MOUNTED OUTBOARD DR SEAT 293-061 POSITIVE LOAD DISCONNECT W/BATTERY BOX CONTROL SWITCH WITH LOCKING PROVISION 293-057 NEGATIVE LOAD DISCONNECT FOR DDC ENGINES WITH BATTERY BOX DISCONNECT SWITCH