GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 Sonoma Pickup - 4WD 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Power Door Systems Component Views
Figure 1:

Door Harness Wiring-Front
Object Number: 357300 Size: LF
(1)Door Lock Cylinder Switch, LH, RH (Utility)
(2)Door, RH (Utility), LH/RH (Pickup)
(3)Door Lock Actuator Motor, RH (Utility), LH/RH (Pickup)
(4)Door Handle Switch, RH (Utility), LH/RH (Pickup)
(5)Door, LH (Utility)
(6)Door Lock Actuator Motor, LH (Utility)
(7)Door Handle Switch, LH (Utility)
Figure 2:

Door Harness Wiring Switches-Front
Object Number: 357301 Size: LF
(1)Door, RH
(2)Door Lock and Side Window Switch, RH, Connector C1 (2 and 4-Door Utility)
(3)Door Lock and Side Window Switch, RH, Connector C2 (2 and 4-Door Utility)
(4)Door, LH (4-Door Utility)
(5)Outside Remote Control Rear View Mirror Switch Connector (4-Door Utility)
(6)Side Window Lockout Switch (4-Door Utility)
(7)Door Lock and Side Window Switch, LH, Connector C1 (4-Door Utility)
(8)Door Lock and Side Window Switch, LH Connector C2 (4-Door Utility)
(9)Door Lock and Side Window Switch, LH Connector C1 (2-Door Utility)
(10)Door Lock and Side Window Switch, LH Connector C2 (2-Door Utility)
(11)Outside Remote Control Rear View Mirror Switch Connector (2-Door Utility)
(12)Door, LH (2-Door Utility)
Figure 3:

Underhood Bussed Electrical Center (UBEC) Envoy
Object Number: 354795 Size: MF
(1)INT BAT
(2)ABS
(3)Not Used
(4)Not Used
(5)IGN B
(6)RAP
(7)IGN A
(8)STUD
(9)TRL TRN
(10)TRR TRN
(11)TRL B/U
(12)VEH B/U
(13)RT TURN
(14)LT TURN
(15)LT TURN
(16)RT TURN
(17)RR PRK
(18)FR PRK
(19)TRL PRK
(20)LT HDLP
(21)RT HDLP
(22)ENG 1
(23)ECM B
(24)LT HI
(25)RT HI
(26)HORN
(27)ECM 1
(28)DRL
(29)BTSI
(30)B/U LP
(31)A/C
(32)IGN E
(33)FOG LP
(34)OXYGEN
(35)LP PRK
(36)IGN C
(37)HTD SEAT
(38)PARK LP
(39)ATC
(40)RR DEFOG
(41)HVAC
(42)TR HMSL
(43)RR W/W
(44)CRANK
(45)LD LEV
(46)HI BEAM
(47)HAZ LP
(48)VEHMSL
(49)HTDMIR
(50)STOP LP
(51)TBC
(52)DRL
(53)F/PUMP
(54)HORN
(55)A/C
(56)FOG LP
(57)LOW BEAM
(58)STARTER
(59)RR DEFOG
Figure 4:

Doors (RF Shown, LF Opposite)
Object Number: 357299 Size: LF
(1)Door Lock Actuator Motor, RH Front
(2)Window Regulator Motor
(3)Door Harness
(4)Door Harness
(5)Radio Front Side Speaker, RH
(6)C601 (RH) or C501 (LH)
(7)C600 (RH) or C500 (LH)
(8)P600 (RH) or P500 (LH)
(9)Outside Remote Control Rear View Mirror Connector
Figure 5:

Rear Door Wiring Harness (RH Shown, LH Opposite)
Object Number: 357305 Size: LF
(1)Door
(2)Door Lock Actuator, RH Rear
(3)Side Window Switch, RH Rear
(4)Door Speaker, RH Rear
(5)Side Window Regulator Motor, RH Rear
(6)C404 (RH) or C406 (LH)
(7)C405 (RH) or C407 (LH)
(8)P800 (RH) or P700 (LH)
(9)Side Window Switch, RH Rear