Originally Posted by JWA
I have an '05 with the same digital odometer and it too is a bit dim to suit me especially during the day light hours. I also dislike it is dimmed along with the instrument lighting but that's not unusual as the older "analog" odometer's lighting was equally dimmed as its instrument lighting.
There's not a lot to be done to modify what Ford built into those clusters. You could change bulbs in the older versions but as a digital display it is what it is, sad to say.
This shop here is one of many that will rebuild your cluster and add led lights or new digital gauges .