On the firewall
Yes
under the driver side dash
where is the daytime running light relay located on a 2002 chevy cavalier
under the hood on the drivers side behind the fuse box .attached vertically to the inner fender
I believe it is under the dash on the pass side of van. If your daytime lights go on and off when driving it you better get it change >mine went out the security light came on and would not start.
I have a 2002 Pathfinder, and the module is located in the engine compartment, on the passenger side fender wall, next to the battery. Maybe it is in the same place on your 2001 model. bdw
DRL - Daytime Running Lights
Above the accelerator pedal. It is identified by the blue socket to which the wiring system plugs into. On our I had to lay down on the drivers floor mat to see it.
The daytime running lights are the low beam lights run by a specific circuit. If they don't work then check your fuses and then the wiring harness for damage.
fuse box on the inside of the car, driver side
hit your dome light on/off switch 4 times...it says how to do that in your manual
2002 GMC Sierra daytime running light (DRL) bulb replacement: Purchase the correct replacement daytime running light (DRL) bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement bulb information. Then consult your owner's manual for the daytime running light (DRL) bulb replacement procedure. As simple as it sounds, the owner's manual is the best place to start for bulb replacement instructions and illustrations. You may want to consider replacing both left and right at the same time in order to keep brightness and color equal (optional).