Garage
Shop
Account Icon
Account
Box Icon
Track
order
Telephone Icon
Call
Help Icon
Help
Door with Arrow Icon
Sign In
  1. Home
  2. Car Audio & Electronics
  3. Car Audio Installation & Accessories
  4. Car Stereo Installation & Accessories
  5. Wiring Harness to Install a New Car Stereo
  6. PAC GWH346R

See all parts that fit your 2003 CTS

PAC GWH346R

Install a New Car Stereo in select 2000-2005 LeSabre and Bonneville and Aurora

1
PAC
Shop all PAC
highlight-star-icon

• Stereo wiring harness
• Compatible with select 2000-2005 LeSabre and Bonneville and Aurora
• Connects to the vehicle's factory harness

See compatible vehicles Learn more about the gwh346r
No Fit Icon

Doesn't fit your 2003 CTS

Similar items | Update vehicle | Vehicle store
List price $24.00
Thanks , You Pay:
-29%

$17.00

 with warranty
4 payments of $5

Heads up

Your vehicle can use this product in multiple locations. Only a quantity of one can be selected from the product page. You will have the option to adjust the quantity within your cart.

shipping truck icon Free shipping in USA. Provide zip for delivery date.
Quantity
In Stock
Brand new
Acima Logo

No Credit Option

Flexible Lease Payments

Early Purchase Options

Quick Approval Decision

Extend logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Hassle-free immediate replacement within minutes!
  • Easy online claims 24/7
  • Covers product breakdowns and failures
Plan details & FAQs Offered by Extend
Swoosh Icon Icon of Swoosh

For over 25 years, we've been your X-Factor – the team dedicated to having the biggest impact on your shopping experience!

Award winning icon
Award-Winning Service
Shipping icon
FREE Shipping Orders $49+
60 days return policy icon
60-Day Easy Returns
lowest price guarantee icon
Guaranteed Lowest Price
inHouseExpert
In-House Experts
KDC-BT382U main

Kenwood KDC-BT382U

Single DIN CD Receiver with Bluetooth and Built-in Alexa (SiriusXM Ready)

12
-10.50%

$179.00

List price $200.00

Add to cart
AVH-240EX main Out of stock

Pioneer AVH-240EX

6.2" Double DIN DVD Touchscreen Multimedia Receiver Built-in Alexa

8
-13.16%

$329.99

List price $380.00

Add to cart

Description

PAC brand icon

Authorized dealer

Product Details:

Compatible Vehicles

Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

The vehicle you have selected 2003 Cadillac CTS is not compatible. Change vehicle or See list of compatible similar products

DMH-1800NEX main

Pioneer DMH-1800NEX

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto, and SiriusXM Ready

3
-19.05%

$339.99

List price $420.00

Add to cart
UTE-73BT main

Alpine UTE-73BT

Single DIN Digital Media Receiver with Bluetooth

44
-16.69%

$149.95

List price $180.00

Add to cart
CV15BT main

Cerwin-Vega CV15BT

Single Din Digital Media Receiver with Bluetooth

3

$69.99

Add to cart
Limited time!
DMH-W3050NEX main

Pioneer DMH-W3050NEX

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto, and Built-in Alexa (Sirius XM Ready)

1
-24.20%

$469.99

List price $620.00

Add to cart
Club 522F main

JBL Club 522F (SPKCB522FAM)

270W Peak (90W RMS) 5.25" Club Series 2 Way Coaxial 3-ohm Speakers

-42.29%

$74.99

List price $129.95

Add to cart
Reference 5030cx main

Infinity Reference 5030cx (REF5030CX)

390W Peak (130W RMS) 5.25" Reference Series 2-Way 3-ohm Component Speaker System

2
-60.01%

$99.95

List price $249.95

Add to cart
Limited time!
DMX709S main

Kenwood eXcelon DMX709S

6.8" Double DIN Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay, Android Auto (Sirius XM Ready)

20
-33.50%

$399.00

List price $600.00

Add to cart
Limited time!
iLX-W670-M main

Alpine iLX-W670-M

6.75" Double DIN Touchscreen Digital Multimedia Receiver with iDataLink Maestro Support, Bluetooth, Apple CarPlay and Android Auto (SiriusXM Ready)

2
-30.01%

$349.95

List price $500.00

Add to cart
Limited time!
XAV-AX8500 main

Sony XAV-AX8500

10.1" Single DIN Floating Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay, and Wired Android Auto (SiriusXM Ready)

2
-20.20%

$798.00

List price $999.99

Add to cart
MVH-S322BT main

Pioneer MVH-S322BT

Single DIN Digital Media Receiver with Bluetooth and Amazon Alexa

7
-13.34%

$129.99

List price $150.00

Add to cart

Best selling similar products

OS-2C-CTSX small

PAC OS-2C-CTSX Wiring Interface

• Provides 12-Volt accessory power (RAP)
• Compatible with amplified audio systems
• Micro-B USB Updatable
• Retains the factory AUX-IN jack

(2)

$150.99

List price $329.00

AXGM-16 small

Axxess AXGM-16 Wiring Interface

• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

$235.99

List price $262.99

DKGM-49 small

Crux DKGM-49 Stereo Replacement Interface

• Stereo Replacement Interface with Dash Kit
• Fits select 2006-2020 vehicles from GMC, Chevrolet, Buick Vehicles
• Accommodates ISO Double DIN Mount
• Retain steering wheel controls and chime functions

(41)

$129.60

List price $201.60

70-1761 small

Metra 70-1761 Wiring Harness

• Direct connection to the factory radio harness
• Color coded wires for easy installation
• No cutting or splicing required

(97)

$5.99

List price $6.99

70-1771 small

Metra 70-1771

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

(51)

$12.99

List price $6.99

C2R-CHY4 small

PAC C2R-CHY4 Wiring Interface

• Provides 12-Volt accessory power (RAP)
• Designed for non-amplified and amplified models
• Retains balance and fade
• Pre-wired for steering wheel audio controls

(25)

$99.99

List price $299.00

70-5520 small

Metra 70-5520 Wiring Harness

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

(56)

$9.95

List price $6.99

70-1858 small

Metra 70-1858 Wiring Harness

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

(63)

$9.95

List price $6.99

GM02B small

Scosche GM02B Wiring Harness

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

(246)

$7.95

List price $8.99

RP4-CH11 small

PAC RP4-CH11

• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

(12)

$152.99

List price $379.00

Item Details

Manufacturer:

PAC

Model Number:

GWH346R

Weight:

0.12lbs

Internal SKU:

gwh346r

Internal Product ID:

215181

Customer Ratings & Reviews

PAC GWH346R thumbnail image
1
5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%
Durability
5
Value
5
Features
5
Design
5
Usability
5

Customer Reviews

Sort by:
Loading...

Perfect match and easy install.

Needed for a customer that had an older vehicle and this was perfect. Easy install of new radio and client was super satisfied with end results!

By Harrison on May 12, 2026 Checkmark Icon Verified purchase
2007 Pontiac G6

Report abuse

Related Searches

› PAC › PAC GWH346R Reviews › PAC Wiring Harness to Install a New Car Stereo › Wiring Harness to Install a New Car Stereo under $100
Save up to 10 different vehicles in your garage
Vehicle
Store Delete

2002 Audi A6

2012 Ford Flex

2003 Cadillac CTS

2005 Porsche 911

2002 Saturn L300

1995 Volvo 940

1998 Audi A6 Quattro

2015 Honda Civic

1976 Oldsmobile Cutlass

2004 Toyota Highlander

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm

Cancel

This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue

Cancel

Shop your 2003 CTS
Why Use a Vehicle Fit Guide?
Change vehicle | Shop without vehicle
Whoa! Slow down. Add your details below!
additional information required
Add vehicle details to confirm fitment
Ignore fitment details
Find stereos and more that work -- fast.

Additional information:

Remove

Can't find your vehicle? Click here and we'll help.

Where to find vehicle info

Go to Fitment

Didn't find your car?

Submit your details and we'll help!
Please enter the letters as they are shown in the image above. Letters are not case-sensitive.
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon
Back

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.

Back
Track your order
Call our experts
Support Center
Return & Exchanges
Follow on Instagram Instagram logo
Subscribe on YouTube YouTube logo