1 Wire Alternator Options
Denso alternator wiring
Type 1 used on plant machinery and 1980s japanese mini trucks suzuki carry bedford rascal etc
its the simple one
it gets sold as part of ready-made charging solutions for Kit car builders these days.
easier to get the others, they are bloody everywhere, things have progressed beyond just power and output
S sense should be a direct to battery + wire with a 7 amp fuse
The type 4 version isn't covered properly in the diagram below comes in Type 4 A and Type 4B
A = S, IG, L and B = P, IG, L
if you have a Real Denso the sticker will say Denso and next to the O of denso will be a legend saying what the pins in the plug are.
P is a tacho signal for ECU controlled charging, something to do with monitoring phases. if yours has a P leave it disconnected
In theory all are self energising alternators so you need your main B+ connected and you need IG connected.
depending on OEM use you may find the odd one that must have L connected via a bulb to a switched 12 volt but its rare
Avoid type 6
Type 7 is bigger
look for one with the correct or at least usefully close mounting lug config and the output stud in a position that won't short out on anything behind
Denso alternator wiring
Type 1 used on plant machinery and 1980s japanese mini trucks suzuki carry bedford rascal etc
its the simple one
it gets sold as part of ready-made charging solutions for Kit car builders these days.
easier to get the others, they are bloody everywhere, things have progressed beyond just power and output
S sense should be a direct to battery + wire with a 7 amp fuse
The type 4 version isn't covered properly in the diagram below comes in Type 4 A and Type 4B
A = S, IG, L and B = P, IG, L
if you have a Real Denso the sticker will say Denso and next to the O of denso will be a legend saying what the pins in the plug are.
P is a tacho signal for ECU controlled charging, something to do with monitoring phases. if yours has a P leave it disconnected
In theory all are self energising alternators so you need your main B+ connected and you need IG connected.
depending on OEM use you may find the odd one that must have L connected via a bulb to a switched 12 volt but its rare
Avoid type 6
Type 7 is bigger
look for one with the correct or at least usefully close mounting lug config and the output stud in a position that won't short out on anything behind