Western Star Bodybuilder Book: Revision 3.2a 1A Fuse and Relay Blocks P. 1A-24 b WST Fuse Panel The WST Fuse Panel is equipped with 30 fuses, 14 relays, and 18 power T.o.C. jumpers. The fuse and relay locations are standard as shown but may be Optional Fuse Panel changed by engineering to accommodate new designs. Refer to the “Main Module 285 Cab Harness” schematic in Mod 320 to find the specific information on Main Fuse Panel these items. The fuse panel jumper slots provide for 18 additional power Module 285 jumpers, which provide power. Fuse/Relay Panel Labels Relay Fuse Jumper Harness used with optional Fuse Panel Main Fuse Panel Label Optional Fuse/Relay Panel Label Main Fuse Panel Note:
Example fuse/relay panel labels Optional Fuse/Relay Panel shown. Refer to the labels on the vehicle for truck specific information. Labels located behind the dash Optional fuse panels are used to support additional switches and other covers. custom options. The WST system is designed to support up to 24 fuses and 14 relays or, alternatively, up to 28 fuses and 10 relays. Additional fuse blocks and switches can be ordered for customer use, see the Section 1D for more information. Fuse block quantity Relay will change based on the amount of extra switches ordered Fuse max 20A Optional Fuse Panel Models: 4700L/4800/4900/6900 Models: 4700L/4800/4900/6900