X50D Fuse Block - Battery Top View

WARNING: This page is about a different car, the 2021 GMC Sierra 3500 HD and 2021 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

Usage Table

No.	Device Label Name	Device Assigned Name	Rating	Description
Fuses
F1	-	F1UD	175A	G13E Generator - Auxiliary (KHF) X50A Fuse Block - Underhood (L8T+KW7)
F2	-	F2UD	175A (L8T) 400A (L5P)	X50E Fuse Block Battery Auxiliary (L5P) X50A Fuse Block - Underhood (L8T)
F3	-	F3UD	400A (L8T) 500A (L5P)	M64 Starter Motor
F4	-	F4UD	60A	X51R Fuse Block - Instrument Panel Right
F5	-	F5UD	60A	X51R Fuse Block - Instrument Panel Right
F6	-	F6UD	100A	E40 Electric Auxiliary Heater (C32)
F7	-	F7UD	100A (K4B) 125A (L5P)	X50E Fuse Block - Battery Auxiliary (K4B) K34 Glow Plug Control Module (L5P)
F8	-	F8UD	150A	Not Used
F9	-	F9UD	5A	K9 Body Control Module
F10	-	F10UD	60A	X51B Fuse Block - Instrument Panel Auxiliary
F11	-	F11UD	200A	Not Used