Another Battery Charging question
My 2002 SP2 is not charging the battery when running. I got stuck a few weeks ago and needed the AA to come and get me home, after the battery died while I was riding. I noticed something was wrong a couple of months ago as my Honda heated grips had a single red led flashing within 5 to 10 minutes of me leaving home, and I always have the bike on a C-tech charger. This red led indicates thee's not enough current for the heated grips to work; when I get home and plug the C-tech in, the charger led stays orange for a long time (usually it is instantly green after a ride). Only when it's green will the heated grips then work normally. The battery is only a couple of years old, and the AA guy checked it and said it was in good shape (pulling 20A when charging). I also noticed (on the day of this incident) my bike was stalling a lot and seemed to be idling lower than usual).
After trawling this site and YouTube, I tested the rectifier and found that to be at fault. Thanks to the amazing post here I went for the Mosfet FH020AA item (for those in Europe, MTP Racing, in Germany, sell an exact copy of the Japanese item, and made in Germany, with a 1 year warranty for £95.70; just search eBay.co.uk for "Mosfet FH020AA"). Having fitted it, and engineered a suitable bracket, I was all set to go this weekend. Once I got the green led fro the C-tech, the bike fired up first time and I went out for about 30 mins. The bike felt great and was running sweet, and idling as normal. But the heated grips red led cane on and my heart sank. Returning home I put the C-tech on and sure enough, got the orange LED for about 30 mins before it went green again.
My attention then turned to the Stator testing (again as described in several places on YouTube), and this is where I am now. The three stator pins on the white connector (from the stator) all have 0.4 ohms between them BUT they come up positive in the continuity test to ground, i.e. something is grounding them. Also, the bike will not start with this connection broken (unlike the YouTube demos where they test with the connector open, both with the bike off and then running), even if I fully charge the battery on the C-tech (lights are off, so nothing else drawing current). I have just taken the whole wire back to the crank case and checked for any damage, etc. It's perfect, and the symptoms still exist.
Other bits of info: I don't have an immobiliser (see my thread about by-passing the Datatool Duo I once had), and I have removed all other ancillary connections from the battery. The bike was running perfectly for 4 days solid at the end of April while I was away touring the Yorkshire Dales (no C-tech up there!), and I've not done anything to the bike since then, i.e. same battery, heated grips, etc.
Sorry for the lengthy prologue, but I wanted to set things out, and say that I have looked at all the battery-related threads here just in case. I wanted to ask for any further advice before I simply assume it is the Stator itself that has become grounded and I need to get that replaced. I'm not sure where the fault originated from, but it seems it has taken out the stator and rectifier, but left the battery in tact.
I appreciate any further help or things I might try, thanks.