I appriciate that this is a very old thread, but I'm having the exact same problem with my Defender 110.
Did you (or anyone else) find out what the problem is? I've tried two different types of sender with different lengths of tube/float arm but the needle still only reads 1/4 of a tank, but it reads a full sweep outside of the tank.
Did you (or anyone else) find out what the problem is? I've tried two different types of sender with different lengths of tube/float arm but the needle still only reads 1/4 of a tank, but it reads a full sweep outside of the tank.
