Hi all...
I'm hoping someone can help... I'm at my wits' end here.
I'm streetfightering a BMW K1200S motorcycle. To make a long, boring story short, the bike's standard CANBUS electronics were replaced by a system incorporating conventional fuses and relays (the CANBUS ECU was fried when I bought the bike, and the replacement cost is truly terrifying).
Only one problem - the alternator no longer charges the battery when the engine's running!
Can anyone help in the quest for charge current? The alternator is a Denso / Nippondenso part, # EXK09S. Aside from the main output terminal, the alternator has a four-pin multi-plug on it's body. Two of the pins aren't used - one unused pin is labelled 'FR'. The pin leading to the engine ECU is labelled 'IG' and the pin which previously led to the CANBUS ECU is labelled 'L'.
I'm told that there is a simple mod one can perform to the alternator or wiring, getting it to charge the battery without the need for a CANBUS ECU.
One thing's for sure: if I have to listen to another auto-electrician sucking air between his teeth while saying: "Ooooooo... you can't do that", I'll do something amazing.
I've done enough engineering in my life to know that "It can't be done" really means "I'm not interested in doing it".
There's no such thing as an insoluble problem - there are only time-consuming ones.
Thanks, all.![Smile :) :)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
I'm hoping someone can help... I'm at my wits' end here.
I'm streetfightering a BMW K1200S motorcycle. To make a long, boring story short, the bike's standard CANBUS electronics were replaced by a system incorporating conventional fuses and relays (the CANBUS ECU was fried when I bought the bike, and the replacement cost is truly terrifying).
Only one problem - the alternator no longer charges the battery when the engine's running!
Can anyone help in the quest for charge current? The alternator is a Denso / Nippondenso part, # EXK09S. Aside from the main output terminal, the alternator has a four-pin multi-plug on it's body. Two of the pins aren't used - one unused pin is labelled 'FR'. The pin leading to the engine ECU is labelled 'IG' and the pin which previously led to the CANBUS ECU is labelled 'L'.
I'm told that there is a simple mod one can perform to the alternator or wiring, getting it to charge the battery without the need for a CANBUS ECU.
One thing's for sure: if I have to listen to another auto-electrician sucking air between his teeth while saying: "Ooooooo... you can't do that", I'll do something amazing.
I've done enough engineering in my life to know that "It can't be done" really means "I'm not interested in doing it".
There's no such thing as an insoluble problem - there are only time-consuming ones.
Thanks, all.