SNBI18
Well-known member
Got it so to get the light bar to light up you must have the two rectangular lamps on that are in the headlight and also display.The light bar is on during the day when the truck is not in park. The light bar is NOT part of the DRL's - at least not from a control perspective. You can not adjust the brightness of the bar. It's been proven too many times and last year it was discovered how the light bar is powered. Each half gets power from the headlight on that side of the truck. You turn the power on or off to the light bar through SW of the headlamp.
If you think you are adjusting the brightness of the light bar you must be doing it in two places - each headlight.
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