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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 5.3 V8 GAS Wiring Diagram2003 GMC Envoy XL 5.3 V8 GAS Wiring Diagram

Components on diagram:
  • Battery
  • Starter Relay
  • Horn Relay
  • Headlamp Relay
  • Fog Lamp Relay
  • 2003 GMC Envoy XL 4.2 L6 GAS Wiring Diagram2003 GMC Envoy XL 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Headlamp Switch
  • Park Lamp Relay
  • Body Control Module
  • Park/Turn Signal Lamp -Right Front
  • Park/Turn Signal Lamp -Left Front
  • 2003 GMC Envoy XL 5.3 V8 GAS Wiring Diagram2003 GMC Envoy XL 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Multifunction Indicator Lamp
  • 2003 GMC Envoy XL 5.3 V8 GAS Wiring Diagram2003 GMC Envoy XL 5.3 V8 GAS Wiring Diagram

    Components on diagram:
  • Rear Window Defogger Grid
  • Liftgate Module
  • Heater/Vent/Air Conditioning Control Module
  • 2003 GMC Envoy XL 4.2 L6 GAS Wiring Diagram2003 GMC Envoy XL 4.2 L6 GAS Wiring Diagram

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

    Components on diagram:
  • Driver Seat
  • Seat Lumbar Vertical Motor -Passenger
  • Seat Lumbar Horizontal Motor -Driver
  • 2003 GMC Envoy XL 4.2 L6 GAS Wiring Diagram2003 GMC Envoy XL 4.2 L6 GAS Wiring Diagram

    Components on diagram:
  • Inflatable Restraint Sensing And Diagnostic Module
  • Inflatable Restraint Side Impact Sensor -Right
  • Inflatable Restraint Side Impact Sensor -Left
  • 2003 GMC Envoy XL 5.3 V8 GAS Wiring Diagram2003 GMC Envoy XL 5.3 V8 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 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 Antenna, 1-section mast; 2100 mm cable; 370 mm extension; Electronically amplified; A high quality universal windscreen mount antenna; May require modification or other adjustment to your vehicle upon installation; With 3 years limited CertifiedXL warranty..

    Source: Auto Body Parts Store

    $17.11

    Click here to view more details about 2009 GMC Envoy 20" x 8" Alloy Wheel Take-Off2009 GMC Envoy 20" x 8" Alloy Wheel Take-Off, Alloy Wheel; 20 X 8; 46MM Offset; 6 Spokes; 6 Lug; 5 Inch BP; Polished, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $293.50

    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 Upper Control Arm, Passenger Side, 4.2, AUTO, 4X4 R., Very Good.

    Source: Used Auto Parts Store

    $86.00

    Click here to view more details2007 GMC Envoy Used Rear Vent Window, Passenger Side, w/privacy glass (opt AJ1), R., Very Good.

    Source: Used Auto Parts Store

    $103.00
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