I discovered Westach makes a universal fuel sender and a great looking gauge. So I ordered 3 senders and the gauge for a total cost of 154 bucks. SUPER! No luck yet on the 3 position switch. I got into replacing the junk aluminum wire to the left tank sender WHAT A NIGHTMARE. Bellanca stapled this junk to the wood and it is next to impossible to repair or replace . Looks like they hired a guy from the phone company very disappointing. In order to replace you either enter the wing and pull the tank or do a little drilling with a borescope to fish the wire. I think open heart surgery is easier than this job. It took me 6 hours to get the wire from the sender past the butt rib to the fuselage! I'm still looking for that switch ,Alexandria Aircraft was no help. Speaking of help, Russell Williams has the best and most informative info for Cruisemasters on the Web. If your into these old crates ,He is the man. LYNN N9818B