On Friday, 12 May 2017 22:34:23 UTC+1, wrote:
IF circuits are wired as follows
http://ts1.mm.bing.net/th?q=EZ+Turn+...re+LED+D ash+
the LED does not light.
But if wired like this
http://www.xtremelandy.co.uk/Manuals...m%20(JPEG).jpg
the circuit works with power to unit and lit LED
I do not know why a second unit cannot go between LED and grnd with a dummy load unit to grnd in power to unit as the center take off prong €¦thus skipping the relay. For an alternative example €¦. As the posted question asks
near 9/10 circuits I wired are direct connection to Batt with wire gauges supplied by Powerstreams calculator. But there are places without space or necessity that could be wired without a relay n without loss of voltage.
http://www.powerstream.com/Wire_Size.htm
there are extra LED on the shelf but that's more complication.
Relays are used when the switch can't take the current, or could but not reliably.
NT