May 16, 2006

I did some more trouble shooting on the AOA flap sensor switch issue today, and discovered that when the EFIS is on, the flap switch works correctly. Hmmm. There’s definitely something wrong here. Anyway, pulling the fuse to the EFIS is just like switching it off, so there’s something happening somewhere else. If I put the fuse back in, and disconnect all the cables from the EFIS, the AOA works too. Now, I’m going to plug the EFIS stuff in one by one until the AOA stops working to see where the culprit lies.

I also did a bit of wiring today. Firewall forward stuff though. I got the secondary alternator done, and started to get the oil senders done. Here’s the lower end of the alternater ‘B’ lead. It’s 10AWG. I managed to find the ring terminals from McMaster Carr. That place is a Godsend. If nowhere else has it, chances are they will… ‘cept for a 5/8"-18 UNF to 1/8" NPT adaptor that is.

Here’s the sender end. I taped the adel clamps to stop them rotating. I don’t want to tighten them up yet until I spiral wrap all this stuff. I never recieved any documentation for the oil pressure sender. I’ve no idea what each wire does. I can only assume that Black is GND, Red is +ve and green is signal. I want to confirm that with Aerosance before I go connecting this up though. I will also have the oil temp wiring running along with this little lot. I can’t fit it yet though, coz I’m waiting on an adaptor (mentioned above).