THIS HARNESS IS NOT FOR CUSTOMERS LOOKING TO ADD FOG LIGHTS TO THEIR VEHICLE, IT IS ONLY FOR THOSE THAT ALREADY HAVE FACTORY INSTALLED FOG LIGHTS.

has developed this fog lamp harness which will allow for your fog lamps to remain on when your high beams are on. Normal function is for them to automatically turn off when the high beams are on and come back on when in low beam mode. This harness is a plug and play harness that utilizes GM sealed connectors. For those that have added extra lights to their Sierra and would like them triggered off of the high beam circuit please select the appropriate option and the harness will include an extra high beam and ground wire.

IF YOU NEED TO ADD FOG LIGHTS TO YOUR VEHICLE PLEASE SEE PART # 250500.

ALSO THIS HARNESS WILL NOT WORK ON TRUCKS THAT HAVE THE ACCESSORY GM FOG LIGHT KIT ADDED AT THE DEALER. IF UNSURE IF YOUR TRUCK CAME WITH THEM FROM THE FACTORY OR IF THEY WERE DEALER INSTALLED PLEASE CONTACT US WITH YOUR VIN# PRIOR TO ORDERING.

Product Fitment

2019-2022 New Body 1500 Sierra Models with factory installed fog lights.
2020-2023 HD models with factory installed fog lights.
WILL NOT FIT 2022+ 1500 REFRESH MODELS

Installation:

Harness simply plugs inline with the passenger side headlight main connector and the other part of the connector connects inline at the body to bumper harness, which is located right above the passenger side fog light assembly. Relay can be mounted to a suitable location under the hood, you want to make sure it is mounted to a location where it will not get constant exposure to water and please mount with the wires facing downwards to prevent any water from possibly entering the relay assembly. The ring terminal wire connects to battery positive.

You may also like

Collection: sea foam

Sort by:

6 products

Filter and sort

Filter