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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:
  • License Lamp -Left
  • License Lamp -Right
  • 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 XL 4.2 L6 GAS Wiring Diagram2003 GMC Envoy XL 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Driver Door Module
  • Outside Rearview Mirror Switch
  • Front Passenger Door Module
  • Heater/Vent/Air Conditioning Control Module
  • Outside Rearview Mirror -Driver
  • 2003 GMC Envoy XL 4.2 L6 GAS Wiring Diagram2003 GMC Envoy XL 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Driver Door Module
  • Memory Seat Switch -Driver
  • 2003 GMC Envoy XL 5.3 V8 GAS Wiring Diagram2003 GMC Envoy XL 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Sunroof Module
  • Retained Accessory Power Relay
  • Sunroof Switch
  • Sunroof Motor
  • 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  4.2 L6 GAS Wiring Diagram2003 GMC Envoy 4.2 L6 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 5.3 V8 GAS Wiring Diagram2003 GMC Envoy XL 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Battery
  • Starter Relay
  • Starter
  • Powertrain Control Module
  • Park/Neutral Position Switch
  • 2003 GMC Envoy XL 4.2 L6 GAS Wiring Diagram2003 GMC Envoy XL 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Mode Actuator
  • Recirculation Actuator
  • Defrost Actuator
  • Heater/Vent/Air Conditioning Control Module
  • Air Temperature Actuator -Left
  • 2003 GMC Envoy  4.2 L6 GAS Wiring Diagram2003 GMC Envoy 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Rear Blower Resistor
  • Heater/Vent/Air Conditioning Module -Auxiliary
  • Mode Actuator -Auxiliary
  • Blower Motor -Auxiliary
  • 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 2009 GMC Envoy Bumper Cover, Front2009 GMC Envoy Bumper Cover, Front.

    Source: Auto Body Parts Store

    $150.22

    Click here to view more details about 2006 GMC Envoy Grille Bracket, Driver Or Passenger Side2006 GMC Envoy Grille Bracket, Driver Or Passenger Side, A high quality, direct fit OE replacement grille retainer; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $3.13

    Click here to view more details about 2000 GMC Envoy 15" X 7" Steel Wheel2000 GMC Envoy 15" X 7" Steel Wheel, STEEL WHEEL, 15 X 7, 5 STUDS/LUGS, 4.75" BOLT DIA, 8 SLOTS, SILVER, UNIVERSAL; STEEL, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $56.45

    Click here to view more details2005 GMC Envoy V8, 5.3 L, 322 CID Rebuilt Engine, 5.3 CHEVY,GMC, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,866.00

    Click here to view more details2002 GMC Envoy Used Suspension Compressor/Pump, Air Compressor, 25978169, Very Good.

    Source: Used Auto Parts Store

    $323.00

    Click here to view more details2009 GMC Envoy Used Power Window Motor, Driver Side, Passenger Side Rear, 4DR, L., Very Good.

    Source: Used Auto Parts Store

    $85.00
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