1A 3.2a Western Star Bodybuilder Book: Revision Table of Contents P. 1A-1 Section 1A Electrical Systems This guide is to be used as a reference document only. Please consult your Western Star CAE representa Ɵve on specific spec’ing needs as the informa Ɵon contained in this document can change without no Ɵce. For EPA2010 and newer. Legacy EPA98 and older, please reference version 3.1 and older.