GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 Sonoma Pickup - 4WD 🢒 Engine 🢒 Engine Electrical 🢒 Power and Grounding Component Views
Figure 1:

Battery MegaFuse® Cable to Junction Block
Object Number: 354779 Size: LF
(1)Underhood Bussed Electrical Center (UBEC)
(2)Battery MegaFuse® Stud Cover
(3)Battery MegaFuse® Cable
Figure 2:

Battery Negative Cable and Ground (2.2 L Engine)
Object Number: 354782 Size: MF
(1)G102
(2)G103
(3)G107
Figure 3:

Instrument Panel Fuse Block (Label)
Object Number: 453780 Size: MF
Figure 4:

Underhood Bussed Electrical Center (UBEC) Connector Location
Object Number: 354788 Size: LF
(1)Connector C2 (BLK)
(2)Connector C1 (LT GRY)
(3)Connector C5 (BLK)
(4)Connector C6 (LT GRY)
(5)Connector C3 (RED)
(6)Connector C4 (LT GRN)
Figure 5:

Body Relay Block Internal Location
Object Number: 238121 Size: LF
(1)Liftglass Relay
(2)Courtesy Lamp Relay
(3)Retained Accessory Power Relay
(4)Power Seats Circuit Breaker
(5)Power Window Circuit Breaker
(6)Inadvertent Power Relay
(7)Door Lock Relay
(8)Park Lamp Relay
(9)Driver Door Unlock Relay
(10)Door Unlock Relay
Figure 6:

Underhood Fuse Block (Label)
Object Number: 239822 Size: MF
Figure 7:

Underhood Bussed Electrical Center (UBEC) Label (Envoy Only)
Object Number: 493686 Size: MF