Trailer Wiring Adapter for 2003 Chevrolet Express 1500
Vehicle
2003 Chevrolet Express 1500
Change Vehicle
Categories
- Bumper & Components - Front
- Center Pillar
- Cluster & Switches
- Cowl
- Door
- Door & Components
- Doors
- Driver Seat Components
- Ducts
- Exterior Trim - Back Door
- Exterior Trim - Front Door
- Exterior Trim - Pillars
- Exterior Trim - Rear Body
- Exterior Trim - Side Panels
- Fender & Components
- Floor
- Frame & Components
- Front Console
- Front Door
- Glass - Front Door
- Glass - Side Door
- Glass - Windshield
- Glass & Hardware - Back
- Glass & Hardware - Body Side
- Grille & Components
- Hinge Pillar
- Hood & Components
- Inner Components
- Inner Structure
- Instrument Panel
- Interior Trim - Back Door
- Interior Trim - Front Door
- Interior Trim - Pillars
- Interior Trim - Rear Body
- Interior Trim - Roof
- Interior Trim - Side Door
- Interior Trim - Side Panels
- Labels
- Lock & Hardware
- Master Cylinder - Components On Dash Panel
- Mirrors
- Outside Mirrors
- Passenger Seat Components
- Radiator Support
- Rear Body
- Rear Bumper
- Rear Door
- Rear Floor & Rails
- Rear Seat Components
- Reveal Moldings
- Rocker Panel
- Roof & Components
- Side Door
- Side Panel & Components
- Sound System
- Spare Tire Carrier
- Trailer Hitch Components
- Uniside
- Wiper & Washer Components
- ABS Components
- Air Bag Components
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Battery
- Battery & Related Components
- Bulbs - Chassis
- Communication System Components
- Controls
- Cruise Control System
- Distributor
- Door
- Electrical Components
- Electrical Connectors
- Electrical Sockets
- Flasher Units, Fuses, & Circuit Breakers
- Flashers
- Front Door
- Front Seat Belts
- Fuse & Relay
- Headlamp Components
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Instruments & Gauges
- Keyless Entry Components
- License Lamps
- Lighting - Exterior
- Lighting - Interior
- Mirrors
- Park & Signal Lamps
- Power Seats
- Powertrain Control
- Rear Seat Belts
- Relays
- Senders
- Sensors
- Side Door
- Starter
- Starter & Related Components
- Steering Column
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Wipers
- A/C Accumulator/Receiver Drier
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Auxiliary Heater & AC
- Blower Motor & Fan
- Condenser, Compressor & Lines
- Control Modules
- Controls
- Evaporator & Heater Components
- Evaporator Components
- Hardware, Fasteners & Fittings
- Heater
- Heater Components
- Hoses & Pipes
- Motors, Core, Case & Related Components
- Relays
- Switches & Sensors
- Switches, Solenoids & Actuators
- Temperature Controls & Related Components
- Bumper & Components - Front
- Center Pillar
- Cluster & Switches
- Cowl
- Door
- Door & Components
- Doors
- Driver Seat Components
- Ducts
- Exterior Trim - Back Door
- Exterior Trim - Front Door
- Exterior Trim - Pillars
- Exterior Trim - Rear Body
- Exterior Trim - Side Panels
- Fender & Components
- Floor
- Frame & Components
- Front Console
- Front Door
- Glass - Front Door
- Glass - Side Door
- Glass - Windshield
- Glass & Hardware - Back
- Glass & Hardware - Body Side
- Grille & Components
- Hinge Pillar
- Hood & Components
- Inner Components
- Inner Structure
- Instrument Panel
- Interior Trim - Back Door
- Interior Trim - Front Door
- Interior Trim - Pillars
- Interior Trim - Rear Body
- Interior Trim - Roof
- Interior Trim - Side Door
- Interior Trim - Side Panels
- Labels
- Lock & Hardware
- Master Cylinder - Components On Dash Panel
- Mirrors
- Outside Mirrors
- Passenger Seat Components
- Radiator Support
- Rear Body
- Rear Bumper
- Rear Door
- Rear Floor & Rails
- Rear Seat Components
- Reveal Moldings
- Rocker Panel
- Roof & Components
- Side Door
- Side Panel & Components
- Sound System
- Spare Tire Carrier
- Trailer Hitch Components
- Uniside
- Wiper & Washer Components
- ABS Components
- Air Bag Components
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Battery
- Battery & Related Components
- Bulbs - Chassis
- Communication System Components
- Controls
- Cruise Control System
- Distributor
- Door
- Electrical Components
- Electrical Connectors
- Electrical Sockets
- Flasher Units, Fuses, & Circuit Breakers
- Flashers
- Front Door
- Front Seat Belts
- Fuse & Relay
- Headlamp Components
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Instruments & Gauges
- Keyless Entry Components
- License Lamps
- Lighting - Exterior
- Lighting - Interior
- Mirrors
- Park & Signal Lamps
- Power Seats
- Powertrain Control
- Rear Seat Belts
- Relays
- Senders
- Sensors
- Side Door
- Starter
- Starter & Related Components
- Steering Column
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Wipers
- A/C Accumulator/Receiver Drier
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Auxiliary Heater & AC
- Blower Motor & Fan
- Condenser, Compressor & Lines
- Control Modules
- Controls
- Evaporator & Heater Components
- Evaporator Components
- Hardware, Fasteners & Fittings
- Heater
- Heater Components
- Hoses & Pipes
- Motors, Core, Case & Related Components
- Relays
- Switches & Sensors
- Switches, Solenoids & Actuators
- Temperature Controls & Related Components
Browse Categories
Select category
- Bumper & Components - Front
- Center Pillar
- Cluster & Switches
- Cowl
- Door
- Door & Components
- Doors
- Driver Seat Components
- Ducts
- Exterior Trim - Back Door
- Exterior Trim - Front Door
- Exterior Trim - Pillars
- Exterior Trim - Rear Body
- Exterior Trim - Side Panels
- Fender & Components
- Floor
- Frame & Components
- Front Console
- Front Door
- Glass - Front Door
- Glass - Side Door
- Glass - Windshield
- Glass & Hardware - Back
- Glass & Hardware - Body Side
- Grille & Components
- Hinge Pillar
- Hood & Components
- Inner Components
- Inner Structure
- Instrument Panel
- Interior Trim - Back Door
- Interior Trim - Front Door
- Interior Trim - Pillars
- Interior Trim - Rear Body
- Interior Trim - Roof
- Interior Trim - Side Door
- Interior Trim - Side Panels
- Labels
- Lock & Hardware
- Master Cylinder - Components On Dash Panel
- Mirrors
- Outside Mirrors
- Passenger Seat Components
- Radiator Support
- Rear Body
- Rear Bumper
- Rear Door
- Rear Floor & Rails
- Rear Seat Components
- Reveal Moldings
- Rocker Panel
- Roof & Components
- Side Door
- Side Panel & Components
- Sound System
- Spare Tire Carrier
- Trailer Hitch Components
- Uniside
- Wiper & Washer Components
- ABS Components
- Air Bag Components
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Battery
- Battery & Related Components
- Bulbs - Chassis
- Communication System Components
- Controls
- Cruise Control System
- Distributor
- Door
- Electrical Components
- Electrical Connectors
- Electrical Sockets
- Flasher Units, Fuses, & Circuit Breakers
- Flashers
- Front Door
- Front Seat Belts
- Fuse & Relay
- Headlamp Components
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Instruments & Gauges
- Keyless Entry Components
- License Lamps
- Lighting - Exterior
- Lighting - Interior
- Mirrors
- Park & Signal Lamps
- Power Seats
- Powertrain Control
- Rear Seat Belts
- Relays
- Senders
- Sensors
- Side Door
- Starter
- Starter & Related Components
- Steering Column
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Wipers
- A/C Accumulator/Receiver Drier
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Auxiliary Heater & AC
- Blower Motor & Fan
- Condenser, Compressor & Lines
- Control Modules
- Controls
- Evaporator & Heater Components
- Evaporator Components
- Hardware, Fasteners & Fittings
- Heater
- Heater Components
- Hoses & Pipes
- Motors, Core, Case & Related Components
- Relays
- Switches & Sensors
- Switches, Solenoids & Actuators
- Temperature Controls & Related Components
- Bumper & Components - Front
- Center Pillar
- Cluster & Switches
- Cowl
- Door
- Door & Components
- Doors
- Driver Seat Components
- Ducts
- Exterior Trim - Back Door
- Exterior Trim - Front Door
- Exterior Trim - Pillars
- Exterior Trim - Rear Body
- Exterior Trim - Side Panels
- Fender & Components
- Floor
- Frame & Components
- Front Console
- Front Door
- Glass - Front Door
- Glass - Side Door
- Glass - Windshield
- Glass & Hardware - Back
- Glass & Hardware - Body Side
- Grille & Components
- Hinge Pillar
- Hood & Components
- Inner Components
- Inner Structure
- Instrument Panel
- Interior Trim - Back Door
- Interior Trim - Front Door
- Interior Trim - Pillars
- Interior Trim - Rear Body
- Interior Trim - Roof
- Interior Trim - Side Door
- Interior Trim - Side Panels
- Labels
- Lock & Hardware
- Master Cylinder - Components On Dash Panel
- Mirrors
- Outside Mirrors
- Passenger Seat Components
- Radiator Support
- Rear Body
- Rear Bumper
- Rear Door
- Rear Floor & Rails
- Rear Seat Components
- Reveal Moldings
- Rocker Panel
- Roof & Components
- Side Door
- Side Panel & Components
- Sound System
- Spare Tire Carrier
- Trailer Hitch Components
- Uniside
- Wiper & Washer Components
- ABS Components
- Air Bag Components
- Alternator
- Alternator/Generator & Related Components
- Antenna & Radio
- Battery
- Battery & Related Components
- Bulbs - Chassis
- Communication System Components
- Controls
- Cruise Control System
- Distributor
- Door
- Electrical Components
- Electrical Connectors
- Electrical Sockets
- Flasher Units, Fuses, & Circuit Breakers
- Flashers
- Front Door
- Front Seat Belts
- Fuse & Relay
- Headlamp Components
- High Mounted Stop Lamp
- Horn
- Ignition Lock
- Ignition System
- Instruments & Gauges
- Keyless Entry Components
- License Lamps
- Lighting - Exterior
- Lighting - Interior
- Mirrors
- Park & Signal Lamps
- Power Seats
- Powertrain Control
- Rear Seat Belts
- Relays
- Senders
- Sensors
- Side Door
- Starter
- Starter & Related Components
- Steering Column
- Switches
- Switches, Solenoids & Actuators
- Tail Lamps
- Wipers
- A/C Accumulator/Receiver Drier
- A/C Condenser & Evaporator
- A/C Flow Restrictors
- Auxiliary Heater & AC
- Blower Motor & Fan
- Condenser, Compressor & Lines
- Control Modules
- Controls
- Evaporator & Heater Components
- Evaporator Components
- Hardware, Fasteners & Fittings
- Heater
- Heater Components
- Hoses & Pipes
- Motors, Core, Case & Related Components
- Relays
- Switches & Sensors
- Switches, Solenoids & Actuators
- Temperature Controls & Related Components
Related Parts
Part # / Description / Price
Price
Trailer Wiring Harness Adapter 7-Pin To 4-Way 
GM
GM Notes: This accessory is applicable for years: 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017