2003 GMC Sonoma Wiring Diagrams (ONLINE REPAIR MANUALS)

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 GMC Sonoma 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 Sonoma automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 2003 GMC Sonoma

  • 2003 GMC Sonoma 4.3 V6 GAS, CID:262, Fuel Injection, Aspiration:262, Engine VIN:, Desg:X
  • 2003 GMC Sonoma 2.2 L4 GAS, CID:134, Fuel Injection, Aspiration:134, Engine VIN:, Desg:H

WIRING DIAGRAMS FOR 2003 GMC Sonoma AUTOMOBILES

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

2003 GMC Sonoma  2.2 L4 GAS Wiring Diagram2003 GMC Sonoma 2.2 L4 GAS Wiring Diagram

Components on diagram:
  • Powertrain Control Module
  • 2003 GMC Sonoma  2.2 L4 GAS Wiring Diagram2003 GMC Sonoma 2.2 L4 GAS Wiring Diagram

    Components on diagram:
  • Air Temperature Actuator
  • HVAC Control Assembly
  • 2003 GMC Sonoma  4.3 V6 GAS Wiring Diagram2003 GMC Sonoma 4.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Radio
  • Speaker-LF Door
  • Speaker-RF Door
  • 2003 GMC Sonoma  4.3 V6 GAS Wiring Diagram2003 GMC Sonoma 4.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Horn-Left
  • Fog Lamp-Rf
  • Park/Turn Signal Lamp-LF
  • Park/Turn Signal Lamp-RF
  • Fog Lamp-Lf
  • 2003 GMC Sonoma  2.2 L4 GAS Wiring Diagram2003 GMC Sonoma 2.2 L4 GAS Wiring Diagram

    Components on diagram:
  • Center High Mounted Stop Lamp
  • Center High Mounted Stop Lamp Resistor
  • High Mount Side Lamp Relay
  • 2003 GMC Sonoma  4.3 V6 GAS Wiring Diagram2003 GMC Sonoma 4.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Transfer Case Shift Control Module
  • Data Link Connector (DLC)
  • 2003 GMC Sonoma  2.2 L4 GAS Wiring Diagram2003 GMC Sonoma 2.2 L4 GAS Wiring Diagram

    Components on diagram:
  • Headlamp Leveling Switch
  • Headlamp Leveling Actuator Motor-Right
  • Headlamp Leveling Actuator Motor-Left
  • 2003 GMC Sonoma  4.3 V6 GAS Wiring Diagram2003 GMC Sonoma 4.3 V6 GAS Wiring Diagram

    Components on diagram:
  • Door Lock and Window Switch-Driver
  • Door Lock and Window Switch-Front Passenger
  • 2003 GMC Sonoma  2.2 L4 GAS Wiring Diagram2003 GMC Sonoma 2.2 L4 GAS Wiring Diagram

    Components on diagram:
  • Illumination Lamps
  • Transfer Case Control Switch
  • Rear Wiper/Washer and Endgate/Liftgate Window Release Switch
  • Rear Defogger Switch Illumination Lamp
  • Inflatable Restraint I/P Module Disable Switch
  • 2003 GMC Sonoma  2.2 L4 GAS Wiring Diagram2003 GMC Sonoma 2.2 L4 GAS Wiring Diagram

    Components on diagram:
  • A/C Compressor Clutch Relay
  • Battery
  • Starter Relay
  • RR Defog Relay
  • Horn Relay
  • CLICK HERE TO GET FULL ACCESS TO 2003 GMC Sonoma WIRING DIAGRAMS!

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