The temperature rocketed up to 34, so I headed to the hangar with no discernible plan. I tie-wrapped the heck out of the wiring behind the AV--6000 to tidy things up. I also added some spiral wrap to the wiring that branches off to the pitch servo because I was concerned it would chafe on the airframe and/or the fuel shutoff cable. I looked at wiring in the White Lightning power unit to the battery contactor but it doesn't come up with any connectors to do so. So I decided it was time to attach the +/- cables to the lithium battery and fire up the avionics. They came alive find. Not much is connected so the G3X has lots of error messages -- spar pins, canopy, AHRS etc. I haven't read enough, really about how the Rotax works so I just quickly flipped on the fuel pumps to see that they operate (they do) . I got a "fault" on Lane B on the ECU but I think it's probably too early to worry about that sort of thing. I still have some connections to make up front anyway. The three green lights -- avionics master etc - on the switches do not light although the switches themselves are functioning. [Update: The Lane B fault was no big deal. I had turned both on at the same time. Flipping A on and waiting and then Flipping B on worked. Engine data, such as it is, showed up on the MFD after I restarted it in config mode. And finally those green lights on the three switches ARE on; you just can't see them because of the placement of the switch]