Denis G. wrote:
Maybe you could find a way to measure and compare the tension of each
cable with something like this: http://www.landfallnavigation.com/hlpt2.html
(or a DIY version). Might help to isolate the cause of the problem.

Yeah - a DIM version would be easy since it wouldn't have to be
calibrated - I only need to know when the tensions are equal.

Thanks,
Bob