LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hummer >> 2009 >> H3 Base, Automatic >> Repair and Diagnosis >> Electrical >> Component Locations >> Electrical Component Locator >> Connectors
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Electrical Component Locator: Connectors

CONNECTORS LOCATION

Component Location
X101 (Black, 6 Pin) (11) Rear center of engine. See Figure.
X103 (5.3L) (Black, 3 Pin) Engine Harness. See Figure.
X115 (Black, 16 Pin) (8) Right of left front fog lamp. See Figure.
X116 (Black, 8 Pin) (9) Behind left headlamp assembly. See Figure.
X117 (Black, 8 Pin) (6) Behind right headlamp assembly. See Figure.
X125 (Black, 16 Pin) (2) Near battery. See Figure.
X130 (Black, 2 Pin) (10) In body harness to battery cable harness. See Figure.
X150 (Black, 40 Pin) (11) Behind battery next to EBCM. See Figure.
X155 (Black, 4 Pin) (12) Next to EBCM. See Figure.
X200 (Black, 40 Pin) (5) Behind left of dash. See Figure.
X201 (Light Gray, 22 Pin) (3) Base of steering column. See Figure.
X203 (White, 8 Pin) (3) Near blower motor. See Figure.
X204 (Black, 40 Pin) (4) Behind right kick panel. See Figure.
X205 (White, 40 Pin) (5) Near blower motor. See Figure.
X207 (White, 12 Pin) (6) Behind left of dash. See Figure.
X208 (Yellow, 4 Pin) (4) Behind left of dash. See Figure.
X275 (Yellow, 4 Pin) (7) Next to X201. See Figure.
X307 (White, 8 Pin) (7) Under driver seat. See Figure.
X308 (White, 4 Pin) (8) In body harness to driver seat belt switch jumper harness. See Figure.
X315 (White, 12 Pin) (6) Under passenger seat. See Figure.
X318 (Black, 4 Pin) (7) In passenger seat bottom. See Figure.
X319 (Black, 4 Pin) In driver seat bottom.
X320 (W/O Seat Heater) (White, 4 Pin) (5) In body harness to passenger seat belt switch jumper harness. See Figure.
X320 (W/Seat Heater) (White, 8 Pin) (5) In body harness to passenger seat belt switch jumper harness. See Figure.
X330 (White, 8 Pin) (2) Behind upper left "A" pillar trim panel. See Figure.
X335 (White, 6 Pin) (4) Behind upper left "A" pillar trim panel. See Figure.
X350 (White, 6 Pin) (1) Behind right lower "A" pillar trim. See Figure.
X370 (White, 12 Pin) (8) In left rear passenger door. See Figure.
X380 (White, 12 Pin) (2) In right rear passenger door. See Figure.
X410 (Black, 4 Pin) (4) Behind right rear quarter trim panel near "D" pillar. See Figure.
X410 (H3) (Black, 6 Pin) Behind right rear quarter panel, near right "D" pillar.
X410 (H3T) (Black, 8 Pin) Outside of right rear frame rail.
X420 (W/Heavy Duty Harness) (Black, 16 Pin) Rearward of left wheelwell.
X420 (W/O Heavy Duty Harness) (Black, 4 Pin) Rearward of left wheelwell.
X430 (H3) (Black, 6 Pin) Near left "D" pillar.
X430 (H3T) (White, 8 Pin) Outside left rear frame rail.
X430 (White, 4 Pin) (1) Behind left rear quarter trim panel near "D" pillar. See Figure.
X450 (White, 12 Pin) (8) Behind left rear quarter trim panel near "D" pillar. See Figure.
X460 (Black, 2 Pin) License lamp harness to rear fog lamp harness.
X500 (White, 30 Pin) (4) In driver door. See Figure.
X510 (White, 8 Pin) (3) Inside middle front of drivers door, near "A" pillar. See Figure.
X600 (White, 30 Pin) (2) Body harness to passenger door harness, in passenger door. See Figure.
X700 (White, 12 Pin) Left "B" pillar body harness to rear door harness.
X800 (White, 12 Pin) Right "B" pillar body harness to left rear door harness.
X901 (White, 12 Pin) (7) Left middle of end gate near pass-through. See Figure.
X905 (White, 12 Pin) "D" pillar body harness to endgate harness.