Learning the HARD way...
Join Date: Jan 2007
Location: Boston / Ft Myers Area
Thanked 101 Times in 98 Posts
Rep Power: 9
Using a set of diodes, and a DPST switch, you can reverse the polarity going to a fixture with two bulbs, but this requires using the negative lead for one circuit as the positive lead for the other...
Ooops... I meant to say; "Using a set of diodes, and a DPD
Here is a great schematic, thanks to Bebi Electronics: On the left, how this is done with filament bulbs, On the right, how this COULD be done IF the Lopolight fixture were designed (wired) to work with only 2 leads.
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
USCG Licensed OUPV Captain, ASA 101/103/104/105/106/118 Certified Instructor - Also certified in Recreational Marine Electrical Systems
Last edited by eherlihy; 02-07-2010 at 09:58 AM.