On Sun, Feb 1, 2015 at 10:05 PM, James Cameron wrote: > > > Interesting. My gut feel is they look a bit long. How long are they? Approximately 6 inches long, the same length as the supplied ribbon cable. > Did the ribbon cable supplied with the programmer have intervening > grounds or different conductor to conductor distance? Yes, a critical detail that I missed. I only connected to the pins I needed. Since the clock and data lines are physically located next to each other I always has the same (flawed) wiring configuration. --=20 Jason White --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .