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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2003 Pontiac Montana car and truck repair procedures including Pontiac 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 Pontiac Montana automobile. Try the Automotix DIY solution today!
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WIRING DIAGRAMS FOR 2003 Pontiac Montana AUTOMOBILES

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

2003 Pontiac Montana  3.4 V6 GAS Wiring Diagram2003 Pontiac Montana 3.4 V6 GAS Wiring Diagram

Components on diagram:
  • Park/Neutral Position Switch
  • Stoplamp Switch
  • Automatic Transmission Shift Lock Control Solenoid
  • 2003 Pontiac Montana  3.4 V6 GAS Wiring Diagram2003 Pontiac Montana 3.4 V6 GAS Wiring Diagram

    Components on diagram:
  • Data Link Connector
  • Radio
  • Memory Seat Module
  • Electronic Brake Control Module
  • Powertrain Control Module
  • 2003 Pontiac Montana  3.4 V6 GAS Wiring Diagram2003 Pontiac Montana 3.4 V6 GAS Wiring Diagram

    Components on diagram:
  • Headlamp Switch
  • License Lamps
  • Left Tail/Stop Lamp
  • Right Tail/Stop Lamp
  • Daytime Running Lamps Control Module
  • 2003 Pontiac Montana  3.4 V6 GAS Wiring Diagram2003 Pontiac Montana 3.4 V6 GAS Wiring Diagram

    Components on diagram:
  • Body Control Module
  • Rear Object Sensor Control Module
  • Rear Parking Aid Override Switch
  • 2003 Pontiac Montana  3.4 V6 GAS Wiring Diagram2003 Pontiac Montana 3.4 V6 GAS Wiring Diagram

    Components on diagram:
  • Retained Accessory Power Relay
  • Body Control Module
  • 2003 Pontiac Montana  3.4 V6 GAS Wiring Diagram2003 Pontiac Montana 3.4 V6 GAS Wiring Diagram

    Components on diagram:
  • Memory Seat Module
  • Left Heated Seat Switch
  • Right Heated Seat Switch
  • Driver Seat Assembly
  • Passenger Seat Assembly
  • 2003 Pontiac Montana  3.4 V6 GAS Wiring Diagram2003 Pontiac Montana 3.4 V6 GAS Wiring Diagram

    Components on diagram:
  • Air Bag Indicator
  • Inflatable Restraint Steering Wheel Module
  • Inflatable Restraint Sensing And Diagnostic Module
  • Inflatable Restraint Instrument Panel Module
  • 2003 Pontiac Montana  3.4 V6 GAS Wiring Diagram2003 Pontiac Montana 3.4 V6 GAS Wiring Diagram

    Components on diagram:
  • Blower Motor Resistor Assembly
  • Blower Motor
  • Blower Motor Relay
  • HVAC Control Module
  • 2003 Pontiac Montana  3.4 V6 GAS Wiring Diagram2003 Pontiac Montana 3.4 V6 GAS Wiring Diagram

    Components on diagram:
  • Powertrain Control Module
  • 2003 Pontiac Montana  3.4 V6 GAS Wiring Diagram2003 Pontiac Montana 3.4 V6 GAS Wiring Diagram

    Components on diagram:
  • Cooling Fan Relay
  • Cooling Fan 1 Relay
  • Powertrain Control Module
  • Cooling Fan 2 Relay
  • Cooling Fan-Left
  • CLICK HERE TO GET FULL ACCESS TO 2003 Pontiac Montana WIRING DIAGRAMS!

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

    Click here to view more details about 2006 Pontiac Montana Header Panel2006 Pontiac Montana Header Panel, A high quality, direct fit OE replacement header panel; Backed by 1-year, unlimited-mileage warranty..

    Source: Auto Body Parts Store

    $51.90

    Click here to view more details2002 Pontiac Montana Neutral Safety Switch, Post type; 4-prong and 7-prong male terminals; A high quality, direct fit OE replacement neutral safety switch; With 2 years limited Trustbuilt warranty..

    Source: Auto Body Parts Store

    $41.95

    Click here to view more details about 2005 Pontiac Montana Taillight Bulb Holder2005 Pontiac Montana Taillight Bulb Holder, Passenger Side Tail Light Bulb Holder, , .

    Source: Wheels / Rims, Mirrors & Lights Store

    $30.50

    Click here to view more details2003 Pontiac Montana V6, 3.4 L, 207 CID Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

    Source: Rebuilt Engines Store

    $1,754.00

    Click here to view more details2007 Pontiac Montana Used Alternator, 3.9, AUTO, FWD (125 amp, opt KG7), Very Good.

    Source: Used Auto Parts Store

    $99.00

    Click here to view more details2002 Pontiac Montana Used Alternator, 3.4, AUTO, FWD 105A, Very Good.

    Source: Used Auto Parts Store

    $99.00
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