You can upgrade your Indicating, Position, or Recognition lights to LED's without modification. They fit a standard single contact bayonet indexed sockets (BAY15S). These LED replacement lamps run cooler, last longer and draw less than .2 AMPS. They are RFI free and current controlled. Non-PMA

These 12 volt Red LED lamps are interchangeable with: A7512-12, W1290, 1512, T7512-12, WL1512, WL7512-12, AML7512-12, NLI7512-12, UA7512-12, and UA1512.