I just installed a Hummingbird 777 2c on the front of my cougar. Removed a garmin. No problems with interference with the Garmin, but when the trolling motor is running , the Bird has interference accross the screen. The depth still reads in digital, but the pic is bad. ANY IDEAS?? SAM ……. Sent email to BIRD tech site 4 days ago- no reply!!Last edited by SAMRUSH on November 15th, 2007, 8:52 pm, edited 1 time in total.BAYOU BANDIT