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I️ have a 2003 Gmc Envoy my headlights randomly shut off as…

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I️ have a 2003 Gmc...
I️ have a 2003 Gmc Envoy my headlights randomly shut off as I’m driving. I️ have already replaced the relay. I’m looking for someone to walk me through the steps of diagnosing and fixing this problem.
Submitted: 8 months ago.Category: GMC
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Answered in 8 minutes by:
11/13/2017
GMC Mechanic: xsvectOR, ASE Certified Technician replied 8 months ago
xsvectOR
xsvectOR, ASE Certified Technician
Category: GMC
Satisfied Customers: 17,373
Experience: car expert!
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does it start right back up?

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Customer reply replied 8 months ago
Does what start right back up? The headlights go out not the engine...
GMC Mechanic: xsvectOR, ASE Certified Technician replied 8 months ago

if you play with the switch will they turn back on?

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Customer reply replied 8 months ago
No.
GMC Mechanic: xsvectOR, ASE Certified Technician replied 8 months ago

do the dash lights go out also?

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Customer reply replied 8 months ago
No sir. Just the headlights. I️ originally thought it was the Relay because when I️ replaced it they worked just fine for a bit. Now back to cutting off in the middle of driving down the highway lol definitely not a good thing.
GMC Mechanic: xsvectOR, ASE Certified Technician replied 8 months ago

have you replaced the hdm in the under hood fuse block

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Customer reply replied 8 months ago
The relay? Yes.
Customer reply replied 8 months ago
Awesome well you’re just mighty helpful aren’t you. Can you pass this questions I need someone who’s going to actually help me.
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