Atanyspeed
Active Member
Can LED type landing lights be ground at their locations in the wings or should they be ground back to the common ground?
Ground connections on a metal airplane are relatively simple but some cautions should be observed. First, clean all of the paint, primer and corrosion from around the hole which is used to ground a connection. A round wire brush with a pilot in the center is called a "bonding brush." It is designed to be used in a drill motor for this type of cleaning.
Local ground will be fine. Just do it correctly. Here is what Aero-Electric has to say on the subject:
AC43.13 has the hardware stack-up to prevent corrosion.