2013 Cadillac CTS Wiring Harnesses

Genuine GM wiring harnesses for the 2013 Cadillac CTS, at wholesale prices. Harnesses carry the exact connectors and pinouts the modules expect, and they change with option content and build date. Second generation Sigma through 2013 and the Alpha based third generation from 2014 to 2019.

When you need them

Rodent damage, corrosion at a connector, or a repair after collision work. On a mid-size car, engine option is the main split here, and it runs deeper into the group than most people expect.

The case for genuine GM

• Central shipping origin. Dallas keeps wiring harnesses transit times short nationwide.
• Backed after the sale. If your wiring harnesses does not work out, we make it right.
• Factory warranty. Genuine wiring harnesses carry GM coverage aftermarket cannot match.

Getting the right part

GM revises parts mid-production. The OEM catalog tracks those revisions; cross-reference tables usually do not. Send us your VIN and we will confirm the exact part number before you order. Orders in by 3pm Central usually go out the same day, with shipping calculated at real cost.