X50D Fuse Block - Battery Top View

Fig 1: X50D Fuse Block - Battery Top View

Courtesy of GENERAL MOTORS COMPANY

X50D FUSE BLOCK - BATTERY FUSE IDENTIFICATION

No.	Device Label Name	Device Assigned Name	Rating	Description
Fuses
1	IEC1	F1RB	80A	X51A Fuse Block - Instrument Panel
2	IEC2	F2RB	80A	X51A Fuse Block - Instrument Panel
3	REC	F3RB	80A	X53A Fuse Block - Rear Body
4	-	F4RB	100A	Not Used
5	PRE FUSE UEC	F5RB	175A	X50B Fuse Block - Underhood Auxiliary
6	APM	F6RB	200A	K1 14V Power Module
7	BAT SENS	F7RB	5A	Battery Sense