How to test led's at masthead??
OK, Age is catching up with me.
When a Aqua Sig series 40 would come into the yard I used to figure out from the wattage rating of the individual bulbs (Anchor is 10w; Tri is 25w) whether my connections were right re Gnd, and which bulb should be lit when I applied the power to that bulb. Well it's not that easy when the incandesents are replaced with equiv Leds....simple resistance measurements don't work anymore...I think. Am I not seeing the forest for the trees?? What to do??