2003 Chevrolet Trailblazer Electrical Parts

Essential 2003 Chevrolet Trailblazer Electrical Parts

Carquest – Multi Function Switch (Part No.S14344)

Multi Function Switch

from

$134.05
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • Our parts are 100% tested to verify both mechanical and electrical switching performance.
  • Decades of research to meet all of your needs
  • Robust design and high grade materials meet the stringent demands of today’s service professional
  • BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
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Carquest Premium – Air Bag Module Connector (Part No.PTC2528)

Air Bag Module Connector

from

$138.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Dorman – Multipurpose Pigtail (Part No.645-589)

Multipurpose Pigtail

from

$39.99
Make better electrical repairs and accessory installations with this pigtail connector. Designed for a clean appearance when installed, it features weatherproof terminals and a locking tab for a reliable quick disconnect electrical connection.

Product Features:
  • Professional appearance – this electrical pigtail is designed for a clean, professional look when installed
  • Convenient solution – this pigtail connector allows the circuit to be quickly disconnected for service or occasional use
  • Durable construction – this pigtail connector features weatherproof seals and a locking tab for a reliable connection
  • Versatile component – this connector can be used in a variety of repairs and custom installations
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Carquest Premium – Turn Signal Light Connector (Part No.PTA1785)

Turn Signal Light Connector

from

$54.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Carquest Premium – Anti-Theft Alarm Connector (Part No.PTA2386)

Anti-Theft Alarm Connector

from

$85.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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ATP – Repair Harness (Part No.CE-6)

Repair Harness

from

$147.99
Repair Harness

Carquest Premium – Diagnostic Test Connector (Part No.PTA1326)

Diagnostic Test Connector

from

$11.29
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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VDO – Electric Window Motor (Part No.O3050407389VDO)

Electric Window Motor

from

$84.28
Regulator Purchased Separately VDO Window Lift Motors are comparable in fit, form, and function to the original equipment parts. VDO Window Lift Motors match the original motors to insure durable performance, restoring your vehicles window function like new. VDO Window Lift Motors are built in ISO TS certified facilities. VDO Window Lift Motors provide original form and function. VDO offers motors with or without regulators, both of which provide reliable performance, restoring your vehicles window function like new.

Product Features:
  • OE-Equivalent direct fit application
  • Manufactured in ISO TS certified facilities
  • OE connections and fittings
  • Designed for quieter operation
  • Provides exceptional reliability
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Carquest Premium – Fog Light Connector (Part No.PTA1004)

Fog Light Connector

from

$11.49
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Carquest Premium – Communication Interface Module Connector (Part No.PTA2465)

Communication Interface Module Connector

from

$99.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

ACDelco – Multi-Purpose Pigtail (Part No.PT2834)

Multi-Purpose Pigtail

from

$39.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Carquest Premium – Inline Connector (Part No.PTA2335)

Inline Connector

from

$68.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Dorman – Cam, Crank, Mass Air Flow Sensor Connector (Part No.645-785)

Cam, Crank, Mass Air Flow Sensor Connector

from

$37.99
Make better electrical repairs and accessory installations with this pigtail connector. Designed for a clean appearance when installed, it features weatherproof terminals and a locking tab for a reliable quick disconnect electrical connection.

Product Features:
  • Professional appearance – this electrical pigtail is designed for a clean, professional look when installed
  • Convenient solution – this pigtail connector allows the circuit to be quickly disconnected for service or occasional use
  • Durable construction – this pigtail connector features weatherproof seals and a locking tab for a reliable connection
  • Versatile component – this connector can be used in a variety of repairs and custom installations
See More

Carquest – A/C Auto Temperature Control Relay (Part No.R3107)

A/C Auto Temperature Control Relay

from

$18.99
Product Features:
  • Our units are all pre-aligned & pre-adjusted to save installation time and ensure proper switching.
  • A lubricated felt pad that lubricates the cam lobes on the vehicles distributor. This reduces wear on the point set rubbing block, extending the usable life of the part.
  • Ventilated where available, tungsten contacts, which run cooler and exhibit less erosion.
  • The copper-alloy shunt provides superior resistance to breakage, due to the flexing of the moving arm on the point set. It also significantly increases current conductivity over typical steel, shunts.
See More

Dorman – GM Multi-Purpose Connector (Part No.645-595)

GM Multi-Purpose Connector

from

$35.99
Make better electrical repairs and accessory installations with this pigtail connector. Designed for a clean appearance when installed, it features weatherproof terminals and a locking tab for a reliable quick disconnect electrical connection.

Product Features:
  • Professional appearance – this electrical pigtail is designed for a clean, professional look when installed
  • Convenient solution – this pigtail connector allows the circuit to be quickly disconnected for service or occasional use
  • Durable construction – this pigtail connector features weatherproof seals and a locking tab for a reliable connection
  • Versatile component – this connector can be used in a variety of repairs and custom installations
See More

Carquest Premium – Air Bag Connector (Part No.PTA1837)

Air Bag Connector

from

$36.49
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

ACDelco – Multi-Purpose Wire Connector (Part No.PT2784)

Multi-Purpose Wire Connector

from

$37.49
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Carquest Premium – Windshield Washer Pump Connector (Part No.PTC2245)

Windshield Washer Pump Connector

from

$55.49
Advance Auto Parts is committed to providing high-quality ABS sensors. The entire manufacturing process is closely managed to deliver high quality products.

Product Features:
  • High grade materials that are equal to or better
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Carquest Premium – Body Wiring Harness Connector (Part No.PTA1563)

Body Wiring Harness Connector

from

$44.99
CARQUEST premium engine management products provide the right automatic transmission speed sensor for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions. Designed to meet OE quali

Product Features:
  • Lifecycle tested to meet or exceed OE specifications
  • Direct OE replacement
  • High strength thermoplastic is resistant to shock, temperature and chemicals. Also protects internal components from moisture and contaminants.
  • Global coverage for import and/or domestic applications.
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Carquest Premium – Cross Body Wiring Harness Connector (Part No.PTA2575)

Cross Body Wiring Harness Connector

from

$25.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

ACDelco – Multi-Purpose Wire Connector with Leads (Part No.PT2386)

Multi-Purpose Wire Connector with Leads

from

$33.99
ACDelco Professional Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are a high quality replacement for many vehicles on the road today. These premium aftermarket replacement components are manufactured to meet your expectations for fit, form, and function.

Product Features:
  • Protective outer coverings provide long-lasting durability
  • Color-coded wires allow for easy installation
  • Manufactured to meet expectations for fit, form, and function
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Dorman – Rear Window Defroster Tabs (Part No.926-850)

Rear Window Defroster Tabs

from

$11.99
When original equipment defroster tabs separate from the window glass, resoldering the old ones back in place often doesn’t work. These replacement defroster tabs make better contact, restoring defroster function without having to replace the glass.

Product Features:
  • Direct replacement – these defroster tabs restore rear defroster function without having to replace the glass
  • Quality construction – made from quality materials for a reliable solder repair
  • Saves money – replace only the damaged contact tab, not the entire window glass
  • Quality tested – has undergone testing to ensure proper fit and performance
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Carquest Premium – Accessory Wiring Junction Block Connector (Part No.PTA2547)

Accessory Wiring Junction Block Connector

from

$41.49
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Carquest Premium – Repair Harness (Part No.PTA1176)

Repair Harness

from

$49.49
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Carquest Premium – Accessory Power Receptacle Connector (Part No.PTA1817)

Accessory Power Receptacle Connector

from

$24.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Carquest Premium – Accessory Connector (Part No.PTA2137)

Accessory Connector

from

$35.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Carquest – A/C Auto Temperature Control Relay (Part No.R3110)

A/C Auto Temperature Control Relay

from

$20.99
BWD is an aftermarket leader, providing a premium line of engine management products. BWD manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • Our units are all pre-aligned & pre-adjusted to save installation time and ensure proper switching.
  • A lubricated felt pad that lubricates the cam lobes on the vehicles distributor. This reduces wear on the point set rubbing block, extending the usable life of the part.
  • Ventilated where available, tungsten contacts, which run cooler and exhibit less erosion.
  • The copper-alloy shunt provides superior resistance to breakage, due to the flexing of the moving arm on the point set. It also significantly increases current conductivity over typical steel, shunts.
See More

Dorman – Headlamp Socket (Part No.645-534)

Headlamp Socket

from

$49.99
This license plate light connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this license plate light connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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2003 Chevrolet Trailblazer Electrical Parts

You count on your 2003 Chevrolet Trailblazer to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Electrical Parts. With 66 Electrical Parts ranging in price from $4.49 to $206.99, you’re sure to find everything you need for your 2003 Chevrolet Trailblazer.

Brands matter. If you want to shop a specific Electrical Parts brand, we stock 7 different brands like Carquest, Carquest Premium, and Dorman. 2003 Chevrolet Trailblazer Electrical Parts start as low as $4.49!

One of the best ways to find top quality OEM or aftermarket Electrical Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 146 extensive product reviews on 2003 Chevrolet Trailblazer Electrical Parts. Some of the top-rated Electrical Parts products we carry are Window Regulator & Motor Assembly: Power, 1 Pack with 3.5 stars and 2-Wire Fog Lamp Socket Bulbs 881 and 889 with 5.0 stars.

Did we mention you can order your Electrical Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Electrical Parts inventory for your 2003 Chevrolet Trailblazer below to get started!

Top-Rated Electrical Parts Brands For Your 2003 Chevrolet Trailblazer

Trusted Electrical Parts OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2003 Chevrolet Trailblazer running right for years to come. In our inventory you’ll find brands like Carquest, Carquest Premium, Dorman, and even more.

Popular Carquest Electrical Parts

You’ll find popular Carquest brand products across Electrical Connectors and Anti-Theft and Alarm Parts. All are waiting to get your 2003 Chevrolet Trailblazer back on the road. Some of the top-rated Carquest products in these categories are:
Back Up Light Connector
from $26.05
(1)
Back Up Light Connector
Fog Light Connectors
A/C Auto Temperature Control Relay
from $18.99
(1)
A/C Auto Temperature Control Relay
Anti-Theft Relays
Multi Function Switch
from $134.05
(6)
Multi Function Switch
Cruise Control Switches

FAQs for 2003 Chevrolet Trailblazer Electrical Parts

What are the most purchased Electrical Parts for the 2003 Chevrolet Trailblazer?

Out of 66 Electrical Parts for the 2003 Chevrolet Trailblazer, the most popular in our inventory are:
Engine Oil Pressure Sensor
from $49.49
This product is not rated
Engine Oil Pressure Sensor
Oil Pressure Switch and Senders
Window Regulator & Motor Assembly: Power, 1 Pack
from $95.99
(17)
Window Regulator & Motor Assembly: Power, 1 Pack
Window Lift Motors
ABS Wheel Speed Sensor Connector
from $22.99
This product is not rated
ABS Wheel Speed Sensor Connector
Cornering Light Connector

What are the top-rated 2003 Chevrolet Trailblazer Electrical Parts?

Top-rated Electrical Parts for your 2003 Chevrolet Trailblazer based on customer reviews/ratings are:
Window Regulator & Motor Assembly: Power, 1 Pack
from $164.99
(4)
Window Regulator & Motor Assembly: Power, 1 Pack
“A very good product. I was supposed to get free shipping, but I had to pay $17.49. I guess because I live in the Virgin Islands. I like shopping at Ad”
2-Wire Fog Lamp Socket Bulbs 881 and 889
from $15.99
(2)
2-Wire Fog Lamp Socket Bulbs 881 and 889
“Worked perfectly for my fog lights.”
GM Multi-Purpose Connector
from $35.99
(1)
GM Multi-Purpose Connector
“Great looking product but couldn’t use it because I needed a 4 prong one. I didn’t like the high price but speed perks and discounts made it affordabl”