Day time running light stopped working

Tiny
JASK40
  • MEMBER
  • 2004 CHEVROLET SILVERADO
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 116,232 MILES
The DRL on my truck stopped working. The fuse is okay, and I replaced the relay. I will be doing a more thorough testing as suggest by your relay article. Just getting frustrated, they worked 4 days ago, now they won't. Oh, bulbs are good, I replaced them yesterday.
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Friday, November 20th, 2020 AT 5:30 PM

5 Replies

Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi,

If they just stopped, it could be a few things. I have attached the diagnostics specific to this vehicle for testing. Take a look through them and let me know if they help or if you have other questions.

Take care,
Joe
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Friday, November 20th, 2020 AT 8:26 PM
Tiny
JASK40
  • MEMBER
I don't have a wiring diagram to do some of the testing you are asking for DRL and/or headlamp.
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Saturday, November 21st, 2020 AT 3:25 PM
Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi,

No problem. I attached the schematics for the headlamp system/DRL. I had to cut the pic in half to make it more readable, but I did overlap the two so you can follow them easier.

Let me know if this helps or if you have other questions.

Take care,
Joe
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Saturday, November 21st, 2020 AT 8:57 PM
Tiny
JASK40
  • MEMBER
Thank you.
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Saturday, November 21st, 2020 AT 9:06 PM
Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi,

Please feel free to let me know if you need help with anything.

Take care,
Joe
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Saturday, November 21st, 2020 AT 9:15 PM

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