Cadillac CT4 Wiring Harnesses

We found 20 eBay listings for Cadillac CT4 wiring harnesses, covering model years 2020 to 2025.

20 listings available | Prices from $12.63 to $645.00|13 sellers

Last checked: . Confirm current price and fitment with the seller.

Compare wiring harnesses options for the Cadillac CT4 by part number, specification and seller fitment details. Matching listing titles mention 2020–2025; this is seller-described coverage, not confirmed fitment. Check the exact generation, engine and required specification before choosing a listing.

What the listings say: Of the 20 listings for Cadillac CT4 wiring harnesses checked on 8 November 2026, 19 give model years between 2020 and 2025, most often 2020 (3). Positions named in the titles: front (3). Part numbers in more than one title: 12162193, 84854207. Titles are the sellers’ descriptions, not confirmed fitment: match the part number, model year, generation and engine before you buy.

20 Results

Wiring Harnesses

Found 20 listings for "cadillac ct4 wiring harnesses"

2021 CADILLAC CT4 DASH DASHBOARD INSTRUMENT PANEL WIRE WIRING HARNESS & FUSE OEM

2021 CADILLAC CT4 DASH DASHBOARD INSTRUMENT PANEL WIRE WIRING HARNESS & FUSE OEM

$164.99USD
Used📍 US
Free shipping
Seller: advauto.parts
View listing on eBay
2020 Cadillac CT4 Engine Wiring Harness Junction Block 84512115 OEM A1

2020 Cadillac CT4 Engine Wiring Harness Junction Block 84512115 OEM A1

$89.98USD
New other (see details)📍 US
Free shipping
Seller: laglobalparts
View listing on eBay
2022-2023 Cadillac CT4 Body Main Wiring Harness 2.0L RWD 37k Miles OEM 86816680

2022-2023 Cadillac CT4 Body Main Wiring Harness 2.0L RWD 37k Miles OEM 86816680

$645.00USD
For parts or not working📍 US
Free shipping
Seller: tradeflinc1800
View listing on eBay
2020-2021 Cadillac CT4 Front Headlight Headlamp Wiring Harness 2.0L OEM 84840447

2020-2021 Cadillac CT4 Front Headlight Headlamp Wiring Harness 2.0L OEM 84840447

$185.00USD
For parts or not working📍 US
Free shipping
Seller: tradeflinc1800
View listing on eBay
2021 Cadillac CT4 Body Main Wiring Harness 2.0L RWD 43k Miles OEM 35439330

2021 Cadillac CT4 Body Main Wiring Harness 2.0L RWD 43k Miles OEM 35439330

$375.00USD
For parts or not working📍 US
Free shipping
Seller: tradeflinc1800
View listing on eBay
2020-2024 Cadillac CT4 Chassis Body Wiring Harness 2.0L RWD 43k OEM 84854207

2020-2024 Cadillac CT4 Chassis Body Wiring Harness 2.0L RWD 43k OEM 84854207

$62.00USD
For parts or not working📍 US
Free shipping
Seller: tradeflinc1800
View listing on eBay
2020-2025 CADILLAC CT4 SPORT BODY WIRE WIRING HARNESS 84915247 OEM

2020-2025 CADILLAC CT4 SPORT BODY WIRE WIRING HARNESS 84915247 OEM

$499.99USD
Used📍 US
Free shipping
Seller: advantage-parts
View listing on eBay
GM 24046896 Transmission Wiring Harness for Cadillac CT4 Colorado

GM 24046896 Transmission Wiring Harness for Cadillac CT4 Colorado

$71.95USD
New other (see details)📍 US
Free shipping
Seller: happydancesalescompany
View listing on eBay
2022 CADILLAC CT4-V BLACKWING 3.6L OEM DASH WIRING HARNESS 85110532 *Damaged

2022 CADILLAC CT4-V BLACKWING 3.6L OEM DASH WIRING HARNESS 85110532 *Damaged

$150.00USD
Used📍 US
Free shipping
Seller: alesapor
View listing on eBay
Chassis Wiring Harness 2022 Cadillac CT4 84854207

Chassis Wiring Harness 2022 Cadillac CT4 84854207

$35.00USD
Used📍 US
Free shipping
Seller: autoprimeflorida
View listing on eBay
22-24 CADILLAC CT4 V BLACKWING FRONT ENGINE BAY WIRING WIRE HARNESS 85619785 OEM

22-24 CADILLAC CT4 V BLACKWING FRONT ENGINE BAY WIRING WIRE HARNESS 85619785 OEM

$299.99USD
Used📍 US
Free shipping
Seller: partsprosllc
View listing on eBay
2021 CADILLAC CT4 MAIN BODY WIRE WIRING HARNESS OEM

2021 CADILLAC CT4 MAIN BODY WIRE WIRING HARNESS OEM

$281.99USD
Used📍 US
+ $80.00 shipping
Seller: advauto.parts
View listing on eBay
GM 85011509 Postitive Battery Cable Wire Harness for Cadillac CT4 2024 2025

GM 85011509 Postitive Battery Cable Wire Harness for Cadillac CT4 2024 2025

$59.95USD
New📍 US
Free shipping
Seller: jaguarsales.inc
View listing on eBay
Dash Wire Harness OEM 2020 CADILLAC CT4 1YR Wrnty 84755590

Dash Wire Harness OEM 2020 CADILLAC CT4 1YR Wrnty 84755590

$275.00USD
Used📍 US
+ $35.00 shipping
Seller: benzeenautoparts
View listing on eBay
2020 CADILLAC CT4 2.0L DASH INSTRUMENT PANEL WIRING HARNESS CABLE & FUSE BOX OEM

2020 CADILLAC CT4 2.0L DASH INSTRUMENT PANEL WIRING HARNESS CABLE & FUSE BOX OEM

$196.99USD
Used📍 US
Free shipping
Seller: recyclesavestheplanet
View listing on eBay
2020-2021 CADILLAC CT4 2.0L L4 ENGINE MOTOR WIRE WIRING HARNESS 84762280 OEM

2020-2021 CADILLAC CT4 2.0L L4 ENGINE MOTOR WIRE WIRING HARNESS 84762280 OEM

$299.99USD
Used📍 US
Free shipping
Seller: advantage-parts
View listing on eBay
2020-2025 CADILLAC CT4 FRONT RIGHT PASSENGER DOOR LOCK WIRE WIRING HARNESS OEM

2020-2025 CADILLAC CT4 FRONT RIGHT PASSENGER DOOR LOCK WIRE WIRING HARNESS OEM

$49.99USD
Used📍 US
Free shipping
Seller: advantage-parts
View listing on eBay
2020-2025 CADILLAC CT4 SPORT DASH DASHBOARD WIRE WIRING HARNESS W/ FUSE BOX OEM

2020-2025 CADILLAC CT4 SPORT DASH DASHBOARD WIRE WIRING HARNESS W/ FUSE BOX OEM

$440.99USD
Used📍 US
Free shipping
Seller: advantage-parts
View listing on eBay
2Pin Sensor Wiring Harnesses Fit for CADILLAC CT4 2022-2024 No.12162193 1 Set

2Pin Sensor Wiring Harnesses Fit for CADILLAC CT4 2022-2024 No.12162193 1 Set

$12.63USD
New📍 US
Free shipping
Seller: carpopart
View listing on eBay
2Pin Sensor Wiring Harnesses for CADILLAC CT4 2022-2024 No.12162193 1 Set

2Pin Sensor Wiring Harnesses for CADILLAC CT4 2022-2024 No.12162193 1 Set

$16.49USD
New📍 US
Free shipping
Seller: auto_fit_online
View listing on eBay

Questions about these listings

Which model years are named in the listings for Cadillac CT4 wiring harnesses?

19 listing titles give model years from 2020 to 2025; 2020 appears most often (3 listings). Check your car’s year against the fitment details in each listing.

Which positions are named in the listings for Cadillac CT4 wiring harnesses?

The titles name front (3 listings). Order for the position on your car, as stated in the title or the seller’s fitment details.

Which part numbers appear in more than one listing for Cadillac CT4 wiring harnesses?

12162193 and 84854207 appear in more than one title. Compare the number on your old part with the listing before you buy.

How do I check fitment before buying Cadillac CT4 wiring harnesses?

Match the part number on your old part with the listing, then confirm the model year, generation and engine in the seller’s fitment details. Titles are the sellers’ descriptions, not confirmed fitment.

Check compatibility before buying

These listings were found using Cadillac CT4 wiring harnesses search terms. A search match does not establish fitment. Compare the part number, vehicle year, generation and engine with the seller's compatibility details. Confirm delivery, returns and the final price on eBay before ordering.