RENR9599-05 April 2010 Electrical System 336D MHPU 330D and 336D Excavator 330D: GBC1-UP GGE1-UP THJ1-UP LRM1-UP ERN1-UP HAS1-UP RAS1-UP T2Y1-UP 336D: JBF1-UP KDJ1-UP MYP1-UP DTS1-UP WET1-UP 336D MHPU: M3M1-UP M3N1-UP Volume 1 of 3: Engine and Chassis Volume 3 of 3: Cab Area Volume 2 of 3: Platform and Console Area © 2010 Caterpillar, All Rights Reserved Printed in U.S.A.