Originally Posted by Piper J3
Today I installed the JD AM101406 Voltage Regulator. Installation was very easy and straight forward thanks to all the help here on VAF. I added an aluminum sub-plate and used Silver Heat Sink Paste to improve cooling.
Question... My battery voltage maintains at 13.8 but amp reading varies a lot from -3 to about +7 in cruise flight. Most of the time amps is just bouncing ~ +/-2 around zero. Is this normal?
My ammeter reading has always bounced around like that, with both my Ducati regulators. Never bothered to figure out why, since voltage is good and battery stays charged.
John Peck, CFII, A&P, EAA Tech Counselor, Flight Advisor.
Master Pilot Award, UFO Member.
RV-12 N37JP 120176, built 2011, sold 2020.
One Week Wonder Build Team, OSH 2018.