bsabins Posted November 20, 2022 Share Posted November 20, 2022 I recently installed hikari led headlights in my 2015 denali hd. Lights work until truck is turned on and then shut off after about 3 seconds. Any ideas? Quote Link to comment Share on other sites More sharing options...
slj2008 Posted November 20, 2022 Share Posted November 20, 2022 is your headlight switch on AUTO or turn on all the way ?? Quote Link to comment Share on other sites More sharing options...
bsabins Posted November 21, 2022 Author Share Posted November 21, 2022 I've tried both ways. Same end result Quote Link to comment Share on other sites More sharing options...
bsabins Posted November 21, 2022 Author Share Posted November 21, 2022 My truck was made in 14. I read a service bulletin stating trucks made in my body style prior to 15 had a headlight calibration in the bcm with a lower watt threshold Quote Link to comment Share on other sites More sharing options...
newdude Posted November 21, 2022 Share Posted November 21, 2022 On 11/20/2022 at 10:13 AM, bsabins said: I recently installed hikari led headlights in my 2015 denali hd. Lights work until truck is turned on and then shut off after about 3 seconds. Any ideas? 6 minutes ago, bsabins said: My truck was made in 14. I read a service bulletin stating trucks made in my body style prior to 15 had a headlight calibration in the bcm with a lower watt threshold BCM headlight calibration was a 1500 issue only. I'd be suspect of the bulbs you bought being the issue (hong kong amazon specials). I've only used VLED in the past. Sure they are more $$$ but they've never given me an issue. Their Micro Evolution line fits inside headlights just like a factory bulb would and even with all the wiring tucked into the lamps, I've never had one fail yet. Quote Link to comment Share on other sites More sharing options...
bsabins Posted November 21, 2022 Author Share Posted November 21, 2022 Oh ok. You are right. Should have known better. They had great reviews. Smh Quote Link to comment Share on other sites More sharing options...
It's Tim Posted November 21, 2022 Share Posted November 21, 2022 On 11/20/2022 at 10:13 AM, bsabins said: Any ideas? Kinda hard to read your post with all the glare.... Quote Link to comment Share on other sites More sharing options...
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