Join Date: Mar 2001
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Re: Day Time Running Lights Question?
Does the noise sound mechanical or is it some type of whining? When the E brake is set that disables the DRL. My guess is that the diode is malfunctioning. Until this is fixed you might want to pull the DRL fuse. It is fuse #15 located on the left side of the dash in the fuse box. Unless you like the DRLs just pull the fuse and leave it, you don't need them. Just for sh!ts and grins, go out to the truck and locate the diode and listen to it to see if that's where the noise is coming from. The diode is located about where your right knee would be if you were driving. it is under the dash. It is about the size of a Marlboro pack and it looks like a miniature amplifier (alumnium fins).