AMPERAGE GAUGE Home › Forums › Maintenance of Grummans › Electrical › AMPERAGE GAUGE Tagged: Gauges This topic contains 1 reply, has 2 voices, and was last updated by Bob Reed 2 months ago. Author Posts November 13, 2017 at 16:08 #7855 William HendrixParticipant Does anyone know where I can get a new or used amp gauge for my 79 AA5B? I can also remove the existing and send to a repair place, but where? November 22, 2017 at 13:30 #7906 Bob ReedParticipant I replaced all my engine gauges 4 years ago with gauges from Mitchell. Works great. Bob Author Posts You must be logged in to reply to this topic.