Gotcha......Thanks again...

gridracer wrote:The reason I put OR is if you want to wire it in so you would know that 1 is yellow 3 is red 2 is green 4 is black. because the pinout just shows numbers not colors of the included phone cable. You need to have both pos. and both neg. hooked together.

So you are saying there is no voltage drop from the front to the back of a vehicle? I was thinking it could be particularly useful for quick trouble shooting/regular checking if connections start to corrode or the like(I do live in the rust belt). Also, I was considering using an orion mbr battery i...

Thank you very much..... Just to clarify....I noticed that the two positives and two negatives are "tied together" per the wiring diagram in the link....you said I could do one "OR" the other. Does that mean I can only use one set of +/- at a time, or can I use them simultaneousl...

http://download.phoenixphorum.com/TechS ... Pinout.gif

So does this mean that I can "hotwire" a RMD to any 12v power source to get a read out?