OK, so let's get back onto the subject for a moment.
I want to wire up some diodes on my 2009 Harley Sportster.
Originally, I simply planned to do the relay option, until coming across this post, so big thanks to OP.
That said, I created a little breadboard with an LED, a resistor, and a diode. Connected it, and verified it worked.
I had to make big changes in the wiring diagram, because the Sportster is not quite the same as the R6 (who'd of thought? Anyway...).
The Sportster comes with Filament Bulbs, and LEDs draw much less current. When replacing filament bulbs with LEDs, load resistors have to be included or the Turn Signal Module (TSM) will detect that not enough current was used, and throw a code (i.e. Check Engine light).
I want to keep it that way, meaning I don't really want a Check Engine light; however, if I keep the load resistors in place (as shown in the attachment), they will be burning heat all of the time. I don't want that either.
How could I estimate how much current this circuit uses without the Load Resistors (in red)? Will the diodes use anything noticeable?
The LEDs I have are Rizoma Zero-11, which are rated at 13W.
Basically, I'm looking to answer a couple of questions:
- Is there a way to calculate if I'll need the load resistors or not?
- Where would load resistors need to be moved to if left on so that the circuit continues to work as it should?