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It is stator time for my 850

  • Thread starter Thread starter TPL
  • Start date Start date
One quick question....for those who wired their RR(+) directly to the battery (+), rather than going through the stock harness bullet connectors....
Did you just go with a similar gauge wire alone, or put an in-line fuse in the wire? If so, what amp fuse?
 
Sorry, one more...I've been told its better to solder the connections inside the fuse box itself. Here's mine opened up and it looks brand new to me. Should I leave it alone since its in this condition?

fusebox.jpg
 
I got my new stator and R/R today, the R/R, SHINDENGEN FH012AA will be a direct bolt up with no modification, screw holes match. I will be using an inline fuse instead of the original wiring in the bike to the fuse box, the new wire is 10g. The new stator has longer wires than the original with bullet connectors, I will lose the bullet connectors and only have to use the new blade connectors at the new R/R, so no inline connectors will be needed. I'm still waiting on my mag cover gasket but will at least get all the wiring done today.
 
The new stator installed, Extra long wiring a plus, plenty to run directly to the R/R. Bullet connectors will be history.
 
TPL said:
The new stator installed, Extra long wiring a plus, plenty to run directly to the R/R. Bullet connectors will be history.
Click to expand...

Nice work!

Nothing wrong with bullets as long as they are the proper size for the wires.
 
Nessism said:
Nice work!

Nothing wrong with bullets as long as they are the proper size for the wires.
Click to expand...


Thanks, I just assume do away with all connectors, other than the ones at the new R/R plugs. Well I have the complete new charging system wired/assembled and ready to go in. Ground will bolt to the engine where the neg battery terminal goes. I thought about adding additional ground for redundancy but I think it is not needed.

All wires to R/R are soldered and crimped to the blade connectors before inserted in to the connector housing at the R/R. The stator wires cannot be clicked in to the R/R connector housing until the wiring is routed. All wires also have a blue grommet to seal out any moisture in the R/R connector housings.
 
The schematic shows the original pos to the original R/R was only tied in to the pos ignition line, and the w/g and w/r wires are just a loop for a headlamp switch, none on the 1982. All will be capped with shrink tube.
 
Rocketman said:
Sorry, one more...I've been told its better to solder the connections inside the fuse box itself. Here's mine opened up and it looks brand new to me. Should I leave it alone since its in this condition?

fusebox.jpg
Click to expand...

Rockert man, that does look like anice condition fuse box so I certainly would not worry about replacing it. I would tun it up a little though. If you putsome navel jelly on the contacts and crimps it will make the brass shiney again. I would then at least try and low some solder into the crimps. On the two lower left and right crimps you should be able to get some heat int the crimp and get solder to wick up into the crimp without melting the plastic. That will prevent further corrosion when the wire contact interface is.

I dont know about the top crimps, the ends of the wire seem to be blind. Maybe a little dielectic grease to keep mositure out.
 
TPL said:
I got my new stator and R/R today, the R/R, SHINDENGEN FH012AA will be a direct bolt up with no modification, screw holes match. I will be using an inline fuse instead of the original wiring in the bike to the fuse box, the new wire is 10g. The new stator has longer wires than the original with bullet connectors, I will lose the bullet connectors and only have to use the new blade connectors at the new R/R, so no inline connectors will be needed. I'm still waiting on my mag cover gasket but will at least get all the wiring done today.
Click to expand...

If you plan to go from R/R(+) directly to the battery (+) experience has been you need 20 amp fuse rather than the 15amp fuse in the stock configuration.
 
TPL said:
The schematic shows the original pos to the original R/R was only tied in to the pos ignition line, and the w/g and w/r wires are just a loop for a headlamp switch, none on the 1982. All will be capped with shrink tube.
Click to expand...

That is called the "T". Current comes ceom either the R/R(+) or the Battery(+) in alternating pulses (as the R/R switches on and off) to feed the electrical system.

The R/R(+) is not fused because there is only some 15 amps that it can generate and that is at 3-4K RPM. The battery will produce very high currents if shorted (50-100 amp) so it needs to be used into the "T".

When you wire the R/R directly to the battery, current now has to flow to the battery (through your fuse) and then back through the stock fuse block to get to the "T". At that point you are back to the stock current paths.

You should still keep the negative wire to a minimum length at a convenient single point ground.

I'm unfamiliar with the 8V but on a 16V I think you have a problem routing those stator wires with a connector on the end.

For future reference the loop to the head lamp bucket switch is now spare wring that can be used in the future for some other purpose. I use one leg for a coil relay control.
 
As I said earlier, I had (from the stator to the rr) a white/blue and yellow wire. I also had a white/green out of the rr, which went somewhere in the harness. The white/red out of the stator was also buried in the harness. Finally, I looked at the wiring diagram, and even though white/red went to white/red, and white/green went to white/green in the rubber boot, later upstream, they do connect to each other, and I saw the loop, although the w/g and w/r create the loop. So, in effect, I thought I only had 2 wires feeding the rr from the stator, but it was actually 3.To eliminate feet of wire and lots of crimps, I took the advice here, and connected the w/g from the rr to the w/r out of the stator. No smoke, no fire, no explosions.
 
posplayr said:
That is called the "T". Current comes ceom either the R/R(+) or the Battery(+) in alternating pulses (as the R/R switches on and off) to feed the electrical system.

The R/R(+) is not fused because there is only some 15 amps that it can generate and that is at 3-4K RPM. The battery will produce very high currents if shorted (50-100 amp) so it needs to be used into the "T".

When you wire the R/R directly to the battery, current now has to flow to the battery (through your fuse) and then back through the stock fuse block to get to the "T". At that point you are back to the stock current paths.

You should still keep the negative wire to a minimum length at a convenient single point ground.

I'm unfamiliar with the 8V but on a 16V I think you have a problem routing those stator wires with a connector on the end.

For future reference the loop to the head lamp bucket switch is now spare wring that can be used in the future for some other purpose. I use one leg for a coil relay control.
Click to expand...

Are you saying I will have better, higher charging voltages wiring the new R/R to the T instead of direct to + battery? The info I have on this R/R is to run pos to battery and looking at the schematic I see no reason not to. Perhaps I'm missing something, Maybe I do not understand what you are saying?

Yes, the stator wire blade connectors cannot be clicked in to the connector housing at R/R until they are routed on the bike. But the can always be removed from the connector housing if another stator is ever needed.

Picture shows stator blade connectors to be routed before they are clicked in to the connector housing, then housing plugs to R/R.
 
Rocketman said:
As I said earlier, I had (from the stator to the rr) a white/blue and yellow wire. I also had a white/green out of the rr, which went somewhere in the harness. The white/red out of the stator was also buried in the harness. Finally, I looked at the wiring diagram, and even though white/red went to white/red, and white/green went to white/green in the rubber boot, later upstream, they do connect to each other, and I saw the loop, although the w/g and w/r create the loop. So, in effect, I thought I only had 2 wires feeding the rr from the stator, but it was actually 3.To eliminate feet of wire and lots of crimps, I took the advice here, and connected the w/g from the rr to the w/r out of the stator. No smoke, no fire, no explosions.
Click to expand...

The simple explanation is:

and above all else,

the three stator wires from the stator (all yellow on aftermarket) go straight to the R/R and you forget any open wires going into the harness (tape/shrink tube them off).
 
TPL said:
Are you saying I will have better, higher charging voltages wiring the new R/R to the T instead of direct to + battery? The info I have on this R/R is to run pos to battery and looking at the schematic I see no reason not to. Perhaps I'm missing something, Maybe I do not understand what you are saying?

Yes, the stator wire blade connectors cannot be clicked in to the connector housing at R/R until they are routed on the bike. But the can always be removed from the connector housing if another stator is ever needed.

Picture shows stator blade connectors to be routed before they are clicked in to the connector housing, then housing plugs to R/R.
Click to expand...

I was just clairifying your assessment of how the R/R (+) was connected to the harness.

As far as your harness is concerned, there is functionally no difference between the FET R/R you are planning to use and the OE R/R you took out. Therefore if you choose to rewire your harness as you described you are changing the current paths as I described.

I can't tell you which will have a higher charging voltage as that is a function of how good your various connections are. I think I already described the differences in the two different configurations.

I see now you have individual spades so routing should be OK.
 
posplayr said:
I was just clairifying your assessment of how the R/R (+) was connected to the harness.

As far as your harness is concerned, there is functionally no difference between the FET R/R you are planning to use and the OE R/R you took out. Therefore if you choose to rewire your harness as you described you are changing the current paths as I described.

I can't tell you which will have a higher charging voltage as that is a function of how good your various connections are. I think I already described the differences in the two different configurations.

I see now you have individual spades so routing should be OK.
Click to expand...

OK, after re reading your post. So running directly to pos battery can cause increased amperage spikes from the battery and take out the 15a stock main fuse.
 
TPL said:
OK, after re reading your post. So running directly to pos battery can cause increased amperage spikes from the battery and take out the 15a stock main fuse.
Click to expand...

Thats what I hear from people running it that way; I think that TCK will say to put in a 20 amp fuse. If that is the sole feed, then the current still comes back through your stock fuse box, so I'm not sure if that one is upped as well.

In the stock configuration under normal running the OE main 15A fuse is only supplying about 10 amps peak and that is only when the R/R is shorting the stator (25-50% average for example). So on it might only be 2.5-5 amps average current. The R/R(+) is unfused.

When you go direct from R/R(+) to Battery(+), the inline fuse is carrying 14 amps peak and say 50-75% on average anyhow you can do the arithmetic there is more current peak and average in that fuse and it all travels back through the stock fuse box as well.

I'm just doing this off the top of my head, but you get the idea you are changing the current flow. I don't like it but alot of people are getting away with it. On the other hand alot are changing out fuse boxes so draw your own conclusions.

Wallowgreen installed a SERIES R/R into one of his bikes; he is also an Electrical engineer. After describing the situation to him he agreed it was safer to keep the stock wiring rather that change it and cause some unforeseen and inadvertent side effect.

I would only do what you are planning if I could not get my voltage drops down under 0.2V. And then I would probably just add the extra wire and leave the stock connections in place. I have a coil relay mod to power my entire ignition and have been able to clean all of the connections to get my voltage drops down to sub 0.2V range.
 
I've wired the charging system direct to the battery (though a fuse) on some bikes, and into the regular fuse box on others. The bikes wired direct to the battery usually show a higher charging voltage feed into the battery by .5 volts, but I don't know what this is telling me, and which is better. My current bike is wired though the fuse box because I didn't want to mess with an aux fuse and the charging system voltage was showing low until I bought a new battery. The old battery was known to be decent but apparently, not perfect. Again, not sure what this is telling me. Wish there was definitive word on this detail so I could stop guessing.
 
Nessism said:
I've wired the charging system direct to the battery (though a fuse) on some bikes, and into the regular fuse box on others. The bikes wired direct to the battery usually show a higher charging voltage feed into the battery by .5 volts, but I don't know what this is telling me, and which is better. My current bike is wired though the fuse box because I didn't want to mess with an aux fuse and the charging system voltage was showing low until I bought a new battery. The old battery was known to be decent but apparently, not perfect. Again, not sure what this is telling me. Wish there was definitive word on this detail so I could stop guessing.
Click to expand...

With the direct connect you probably have lower drops between the battery and the R/R so therefore the voltage across the battery is higher.

When you went direct connect did you go 20 amps on both the OE and direct or just the direct and did you leave the stock connections in place or remove the "T" connection?
 
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