Why do the daytime run lights not come on?

Now, the daytime run lights do not come on, the headlights come on as soon as the park brake is released and truck is in gear. day or night. Did he do voodoo on my truck ? and put the lights in some mode ? My next guess would be bad light sensor on dash, or wiring. Bulbs work when I remove them to test.

Where is the fuse block on a GMC Sierra?

The fuse block access door is on the driver’s side edge of the instrument panel. Pull off the cover to access the fuse block. Instrument Cluster, DRL Relay, Lamp Switch, Keyless Entry, Low Coolant Module, Illuminated Entry Module, DRAC (Diesel Engine)

Where is the daytime running lamp fuse located?

On most vehicles, it is directly behind the battery. Remove the cover from the fuse box located in the engine compartment. On the underside of the fuse box cover on Ford and Chevrolet vehicles there is a diagram depicting where each fuse is located within the fuse box. Locate the “DRL” or “Daytime Running Lamp” fuse.

Where is the daytime running light module located?

Typically, the daytime running light module is located under the dash or in the engine compartment. The exact location can be found in the vehicle repair manual. Step 1: Disconnect the negative battery cable. Disconnect the negative battery cable and set it aside. Step 2: Unbolt the module.

What’s the headlight circuit diagram for a 1996 Chevy?

The above typical headlight circuit diagram applies to the 1996, 1997, 1998, and 1999 Chevrolet/GMC 1500, 2500, and 3500 pick-up with Quad headlights. NOTE: If you have QUAD headlights, then you’ll have a separate bulb for the LO and Hi beams.

What are daytime running lights on a car?

Daytime running lights are lights built into the front of late model cars to make them more visible on the road. Running lights cannot be turned off. A dedicated daytime running light module is used in some vehicles to automatically control low beam headlight operation.