BFL13 wrote:
Here is that thread on my reduction of R converter to battery mentioned earlier.
Note in the thread how it works for parallel Rs--you get a bonus reduction.
Note you can reduce the R on either neg or pos paths or both, it all helps. You don't need to have both neg and pos at the same R either; it is the total R that counts--it is a circuit.
More on how to measure it. Multimeter for voltage and you must know the amps across the thing being measured for R. I use the Trimetric.
If it is a long wire being measured--say 25 ft from converter to battery, add speaker wire to one of the two multimeter wires and put an alligator clip on the end of the speaker wire. Now you can clip that end to the converter lug and go many feet away with the meter and touch the other meter wire to the battery post.
You can now read the voltage and you know the amps. EG, you have 21 amps flow and voltage is 0.03v. R= V/I so 0.03/21 = 0.0014
That 0.03 voltage is also your "voltage drop" across the thing being measured. OK so here is that thread:
http://forums.trailerlife.com/index.cfm/fuseaction/thread/tid/26602216/srt/pa/pging/1/page/1.cfm
