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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 GMC Envoy car and truck repair procedures including GMC engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up & drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix your 2003 GMC Envoy automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 2003 GMC Envoy

  • 2003 GMC Envoy 4.2 L6 GAS, CID:256, Fuel Injection, Aspiration:256, Engine VIN:, Desg:S
  • 2003 GMC Envoy XL 4.2 L6 GAS, CID:256, Fuel Injection, Aspiration:256, Engine VIN:, Desg:S
  • 2003 GMC Envoy XL 5.3 V8 GAS, CID:323, Fuel Injection, Aspiration:323, Engine VIN:, Desg:P

WIRING DIAGRAMS FOR 2003 GMC Envoy AUTOMOBILES

OEM drawn wiring diagrams for most 2003 GMC Envoy cars and light trucks sold in the U.S.

2003 GMC Envoy XL 4.2 L6 GAS Wiring Diagram2003 GMC Envoy XL 4.2 L6 GAS Wiring Diagram

Components on diagram:
  • Headlamp Switch
  • Body Control Module
  • Fog Lamp Relay
  • Front Fog Lamp Switch
  • Rear Fog Lamp
  • 2003 GMC Envoy XL 5.3 V8 GAS Wiring Diagram2003 GMC Envoy XL 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Headlamp Switch
  • Body Control Module
  • Courtesy Lamp Switch
  • Interior Lamp Default Switch
  • 2003 GMC Envoy  4.2 L6 GAS Wiring Diagram2003 GMC Envoy 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Garage Door Opener
  • Sunroof Switch
  • Voice Recorder
  • Window Switch -Right Rear
  • 2003 GMC Envoy XL 4.2 L6 GAS Wiring Diagram2003 GMC Envoy XL 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Inflatable Restraint Steering Wheel Module Coil
  • Steering Wheel Controls Assembly
  • Fuel/Trip Switch
  • Select Personalization Switch
  • 2003 GMC Envoy XL 5.3 V8 GAS Wiring Diagram2003 GMC Envoy XL 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Driver Door Module
  • Front Passenger Door Module
  • Liftgate Module
  • Door Lock Actuator -Front Passenger
  • Door Lock Actuator -Driver
  • 2003 GMC Envoy XL 5.3 V8 GAS Wiring Diagram2003 GMC Envoy XL 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Seat Recline Motor -Driver
  • Seat Rear Vertical Motor -Driver
  • Passenger Seat
  • Seat Adjuster Switch -Driver
  • Seat Horizontal Motor -Driver
  • 2003 GMC Envoy XL 5.3 V8 GAS Wiring Diagram2003 GMC Envoy XL 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Seat Lumbar Position Sensor -Driver
  • Seat Lumbar Horizontal Motor -Driver
  • Seat Lumbar Vertical Motor -Driver
  • Memory Seat Module -Driver
  • Lumbar Adjuster Switch -Driver
  • 2003 GMC Envoy XL 4.2 L6 GAS Wiring Diagram2003 GMC Envoy XL 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Heater/Vent/Air Conditioning Control Module -Auxiliary
  • Blower Motor Switch -Front Auxiliary
  • Blower Motor Control Processor -Auxiliary
  • Mode Actuator -Auxiliary
  • Air Temperature Actuator -Auxiliary
  • 2003 GMC Envoy XL 4.2 L6 GAS Wiring Diagram2003 GMC Envoy XL 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Park Brake Switch
  • Brake Fluid Level Switch
  • Brake Indicator
  • Body Control Module
  • Electronic Brake Control Module
  • CLICK HERE TO GET FULL ACCESS TO 2003 GMC Envoy WIRING DIAGRAMS!

    Shop online for auto body parts, engines, wheels, lights...

    Click here to view more details about 2004 GMC Envoy Door Handle, Rear, Driver Side2004 GMC Envoy Door Handle, Rear, Driver Side, Without keyhole; A high quality, direct fit OE replacement door handle..

    Source: Auto Body Parts Store

    $3.58

    Click here to view more details about 2005 GMC Envoy Bumper Step Pad, Rear2005 GMC Envoy Bumper Step Pad, Rear, A high quality, OE replacement bumper step pad; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $31.92

    Click here to view more details2009 GMC Envoy Passenger Side Tail Light Assembly, Passenger Side Tail Light Assembly; Except XUV Models; Includes Bulb And Connector Plate, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $57.50

    Click here to view more details2008 GMC Envoy L6, 4.2 L, 258 CID Rebuilt Engine, Inline 6 cylinder DOHC 24 Valve, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $2,790.00

    Click here to view more details2008 GMC Envoy Used A/C Compressor, 5.3, AUTO, 4X4 5.3L, Very Good.

    Source: Used Auto Parts Store

    $159.00

    Click here to view more details2004 GMC Envoy Used Rear View Mirror, w/ Light Sensitive, Without GPS, Very Good.

    Source: Used Auto Parts Store

    $58.00
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