It's relay #173 in the fuse panel under the dash.
From "Jetta Junkie" forum: (see Related Links, below)
96-99 VW Jetta Lower the fuse panel under the dash. You will see a relay marked with the number 173. Coming out of the back of this relay is a plain yellow wire. Trace this wire and you will find a small connector. Unplug the connector and your DRLs are disabled.
daytime running light
where is the daytime running light relay located on a 2002 chevy cavalier
The daytime running light module on a 2005 F-350 is located underneath the hood. The module will be in the relay box.
To stop running the DRL daytime running lights in the 2005 Toyota Echo the headlight relay needs to be modified. The DRL module on the relay needs to be cut and relay inserted into the harness.
i have a 1998 and its in the fuse box
it is the Daytime Running Light(drl) it is what makes your lights come on automatic!
Yukon daylight running the light relay switch can be located in the fuse box. The location of the fuse can be found on the inside cover of the fuse box.
The 2000 Toyota day time running the light relay switch can be found below the dashboard. The switch will be on the passenger side of the passenger compartment.
See: http://www.nyx.net/~smanley/hondadrlfix/
fuse box on the inside of the car, driver side
You cannot turn them, at leas not officially. The work around is to remove running light relay.
DRL - Daytime Running Light (relay). Found over the top of brake pedal area under dash. Used in conjunction with Automatic light Control Sensor, head lights, fog lights, and control switches to control light operations. Your automatic lights and Daytime Running Lights are controlled by this module.