Hello.
A while back I posted a question regarding using a three phase regulator rectifier on a single phase alternator and I'm pleased to say the advice I greatfully received has proven to be right. So I'm back with a somewhat related question.
My previous post was in regard to using a MOSFET reg/rec which I installed on my 748 Ducati. I've become a convert to these MOSFET units and am currently in the process of replacing the OEM shunt type reg/rec on my 1098 Duc with the same fet unit.
I'll do my best to explain.
On the 1098 you can view a digital voltage readout of the charging system. To see this you have to access the menu of the instrument panel, scroll down and select "voltage" or some such.
The OEM R/R has, in addition to the 3 yellow wires for the stator, two black and two red whereas the replacement fet unit has only one red and one black (+ stator wires). The black goes to neg batt and red to pos batt via a 30amp fuse.
As I understand it there must be a circuit within the OEM R/R unit which provides feedback to enable this readout, which probably explains the second red wire.
My question is, is this the case and therefore if I install the fet unit I'll simply have to forego this function or is there some way to wire it up and still retain this function?. I realise I could install a stand alone voltmeter but would prefer not to.
What makes me question this is that there seems to be no seperation of the red power wires per se. I discovered the associated wires i.e. 2 red wires, one of which is a large guage, emerging from the loom comming from the instruments/key/whatever, plus the 2 from the R/R and one other that goes off to the fuse-> pos battery all crimped together.
Again, any advice or help on this would be much appreciated.
Joanne
A while back I posted a question regarding using a three phase regulator rectifier on a single phase alternator and I'm pleased to say the advice I greatfully received has proven to be right. So I'm back with a somewhat related question.
My previous post was in regard to using a MOSFET reg/rec which I installed on my 748 Ducati. I've become a convert to these MOSFET units and am currently in the process of replacing the OEM shunt type reg/rec on my 1098 Duc with the same fet unit.
I'll do my best to explain.
On the 1098 you can view a digital voltage readout of the charging system. To see this you have to access the menu of the instrument panel, scroll down and select "voltage" or some such.
The OEM R/R has, in addition to the 3 yellow wires for the stator, two black and two red whereas the replacement fet unit has only one red and one black (+ stator wires). The black goes to neg batt and red to pos batt via a 30amp fuse.
As I understand it there must be a circuit within the OEM R/R unit which provides feedback to enable this readout, which probably explains the second red wire.
My question is, is this the case and therefore if I install the fet unit I'll simply have to forego this function or is there some way to wire it up and still retain this function?. I realise I could install a stand alone voltmeter but would prefer not to.
What makes me question this is that there seems to be no seperation of the red power wires per se. I discovered the associated wires i.e. 2 red wires, one of which is a large guage, emerging from the loom comming from the instruments/key/whatever, plus the 2 from the R/R and one other that goes off to the fuse-> pos battery all crimped together.
Again, any advice or help on this would be much appreciated.
Joanne
