You can check out the lights etc without the engine wiring in. Don't put the key in the 'run' position for long or it will drain the battery through the ballast resisitor. (it will get hot, but it is made for it)
As for the bezel, do you have the column lowered? If not, that will help. I found it best to install the switch panel first, then gauges, then the bezel- extreme right end as far to the right as it will go then lining up the left side with the switch panel and working the right side into place. Not much of a "how to", and there is not a lot of wiggle room, but it will fit .....eventually.
