Hey guys, newb here. I picked up an 06 g35x earlier this year with 205,000kms or around 120k miles. After doing the entire front suspension, radiator, valve cover gaskets (last week) and cam/crank sensors (hitachi as preventative maintenance), i have one more issue that is bothering me.

So, i usually have my headlights set to Auto. When they come on in the evening, the dash lights dim as they are supposed to/set by the little wheel by your knee. Now, when i start driving, the brightness will randomly flicker back to full bright and back to dim for the first 5-10 min of driving, and then usually stay dim for the rest of the drive. It happens more when going over bumps.

Now, i tried playing with the Daytime running light module (replaced) but that didnt show any signs of failure. So, yesterday, i smacked the top of my dash above the cluster with my hand and it "flickered" twice but then i couldnt reproduce it by doing that either.

I assume its a loose connection or something, but is there anything else i should check before taking out the cluster? Also, my headlights dont flicker when the dash does, they stay on solid (afaik). Also, its been happening for a few weeks and has started to happen more often now. Pic for attention


Thanks!!

 

I heard that the HID bulbs can go weird as they get really old. I'm having to replace my D2R low beams as I type...

 

Nice looking G.
I would first suspect the "little wheel" as being the culprit, like a scratchy volume control on an old radio. Try "exercising" that control like 50 times from brightest to dimmest and then see if your dash lights will show a consistent level...

 

Well, i took my drl module apart and found a solder cracked. So i resoldered the joints that were "weak" but im still having the flicker issue. I guess ill be living with it until i feel like tearing the dash apart to pull the cluster and check for loose connections. I may be repainting my front bumper soon as its all damaged and cracked in 3 places, so while its parked i might look into it. Ill post the solution if i find one. Thanks guys!!