2006 chevy 2500hd headlights

Asked by Dayson Jan 07, 2020 at 10:16 AM about the 2006 Chevrolet Silverado 2500HD

Question type: Maintenance & Repair

the headlights on my 2006 Chevy Silverado 2500hd won't come on all of the
fuses are ok and when I pop off the relay and put it back in I can hear it
clicking but I have no power from the headlight up past the main plug any
ideas on where the problem may be

1 Answer


Make sure battery has a full charge? Note the diagram. Note the fuses. You could use a test light at the proper fuse, headlamp switch on, if voltage at the fuse, problem is after the fuse. If no voltage, problem before the fuse. Note the lo beam relay, two sides to relay, the load side of relay, right side in diagram. The control side of relay, left side in diagram. If you pull relay and use jumper wire between cavities on load side of relay, right side in diagram, the proper headlamp should light. If so, the problem is on control side of relay, that side needs voltage and ground, the top wire in diagram is voltage, the bottom wire is ground, grounded by the bcm. The bcm probably sends a small voltage to headlamp switch, when you turn on headlamp switch, that circuit is grounded, then the bcm knows you turned on headlamp switch and acts accordingly. The problem could be almost anywhere, headlamp switch--bcm--wiring circuit? I realize I probably didn't help much. good luck

Your Answer:

Chevrolet Silverado 2500HD Experts

  • #1
    Steven Loeffler
  • #2
  • #3
View All

Find great deals from top-rated dealers


Related Models For Sale

Used GMC Sierra 2500HD
23 Great Deals out of 1,891 listings starting at $5,994
Used Ford F-250 Super Duty
31 Great Deals out of 1,048 listings starting at $5,550
Used Dodge RAM 2500
3 Great Deals out of 77 listings starting at $7,995

Used Cars for Sale

2020 Chevrolet Silverado 2500HD For Sale
1,524 listings starting at $44,333
2019 Chevrolet Silverado 2500HD For Sale
118 listings starting at $35,600
2018 Chevrolet Silverado 2500HD For Sale
6 Great Deals out of 130 listings starting at $31,500
2017 Chevrolet Silverado 2500HD For Sale
68 listings starting at $27,995
2016 Chevrolet Silverado 2500HD For Sale
5 Great Deals out of 43 listings starting at $28,900

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.