I’m looking in the Sierra manual p106 fuses/relays, it says there’s also an auxiliary fuse box under the glove compartment. Apparently this has 2 more relays and fuses for the ABS.
I took off the glove box lid but all I see is the ECU. No relays or fuses! I double checked on my XR 4x4 with the same system and none either.
surely I don’t need to take the whole dash off just to change a fuse or relay? I just can’t see where it is! Help most appreciated!!

Auxiliary fuse box position?

Glove box lid off