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06 sierra 2500 with no lobeams no power to either side of lo

Customer Question
Hi Dave- 06 sierra 2500 with...
Hi Dave-
06 sierra 2500 with no lobeams
no power to either side of lo hdlp -lt and lo hdlp -rt.
relay clicks from lo to hi and I've changed out relays.
Any ideas?
Thanks!
Submitted: 10 months ago.Category: GMC
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Answered in 2 hours by:
1/5/2017
GMC Mechanic: Mike S., ASE Certified Technician replied 10 months ago
Mike S.
Mike S., ASE Certified Technician
Category: GMC
Satisfied Customers: 7,645
Experience: GMC N.A.I.S.E. Certified Auto-Mechanic
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Hi, I am Mike, welcome. I'm reviewing your question.

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GMC Mechanic: Mike S., ASE Certified Technician replied 10 months ago

Remove that HDLP low relay from the underhood fuse block and make sure you have battery voltage to the 2 terminals in the socket that are supposed to be hot all the time.

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Customer reply replied 10 months ago
Hi Mike-
I got it figured out thanks.
GMC Mechanic: Mike S., ASE Certified Technician replied 10 months ago

What was it?

I had already downloaded the wiring diagram so here it is anyhow.

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Customer reply replied 10 months ago
Hi Mike
It must be intermittent.
Thanks for the help anyway.
GMC Mechanic: Mike S., ASE Certified Technician replied 10 months ago

No problem.

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Mike S.
Mike S.
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Satisfied Customers: 7,645
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