My speedo drops to 0 at speed, then might go back, tach will drop & motor drops power. Perfect pass will re-boot. Gauges just "flakey". I checked all gauge connections as well as ECU connections; all seem good. I ordered a ECU through warranty (have'nt got it yet). someone had similar problems & repalced batteries, then ECU then serial cables until problem went away. Anyone experienced this & how did you correct it? Thanks