Day Time Running Lights Question? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 08-10-2001, 02:32 PM Thread Starter
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Day Time Running Lights Question?

Ok, my DLR's are no longer working on the Yukon. I have no idea what is wrong but I noticed it the other day when I would go and put the key in the ignition and turn it to run it makes this strange noise. When I have the parking brake on it doesn't make the noise at all.

Anyone have any idea's what it is?

RYan

93 GMC Yukon
Chevy SuperStock 4x4 Truck Puller
Great Lakes Truck & Tractor Pulling Association
http://www.greatlakespull.com
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post #2 of (permalink) Old 08-10-2001, 02:54 PM
 
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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).

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