which pc3 can i use,write down all pc3 you know works

1sam1 · Post by **1sam1** » Fri Jan 11, 2008 12:46 pm

i will too use pc3 to my bike,but i need to know more than zx12r 00,is working.

many pc3 have about 20-30 wires.ex suzuki gsxr 1000 03 have 32 wires. 16 in 16 out? can i use that one... or H*nda cbr 600,03 have 10 in 10 out.

its hard to find witch 12-15 wires.

help me out.

wrote here what pc3 you use and the wiring please,

reg sam

Post by **Lorcan** » Fri Jan 11, 2008 1:26 pm

All PC3s should work. The ones with the extra wires are PC3Rs which do ignition mapping as well as fuel so have wires for the stick coils. You could use those too but it might be a bit of a game identifying the right wires. The PC3 is pretty simple as it's 4 in, 4 out, earth (possibly 2), power and TPS (boost).

Swiftandswank · Post by **Swiftandswank** » Fri Jan 11, 2008 2:58 pm

Lorcan,
If some of the pc3's can control the stick coils, then could the turbo be fitted with stick coils and the PC3R to control the ignition? Or would resistance of the PC3 fry the ecu coil drivers?

Post by **Lorcan** » Fri Jan 11, 2008 7:01 pm

It doesn't work like that as the PC only modifies the ECU output signal, whether it is fuel or ignition. As the turbo ECU does not output an ignition signal there is nothing to modify.

1sam1 · Post by **1sam1** » Sat Jan 12, 2008 6:16 pm

the pc3 i wrote about is not pc3r only pc3.

do the zx12r pc3 only have 12cables or have you take off some wires?

Post by **Lorcan** » Sat Jan 12, 2008 6:51 pm

It only has 12 going into the unit itself, it has some others that just go through the plugs that fit into the ZX12 wiring loom, but we don't need those, they are only there to save you hacking into the loom.

GPzephyr · Post by **GPzephyr** » Sat Jan 12, 2008 8:06 pm

I was lucky and got a brand new PC3 USB for a 2003 Z1000 only paid 100 quid boxed and everything.
As Lorcan said they are all pretty much the same. Mine has the usual 4 in, 4 out, two black (ground), red and grey. 12 in all.
Won't fit it until the T25's ready to go on.

1sam1 · Post by **1sam1** » Sun Jan 13, 2008 10:31 pm

i did buy a pc3 usb for a H*nda cbr 600f 01-06.

and i have now 14 wires , i know where 10 wires will go.

i have one black/white wire is that injector ground and do it need to pass the pc3?

1 grey, i think its the signal(map/tpc)?

do you put yours pc3 + no power when the start key is off?

i have 500rpm steps on my pc3 usb, and i think i can change the fuel 100%. if i put 100 it stays.
if i put 101 it says wrong number.

reg sam

Post by **Lorcan** » Mon Jan 14, 2008 8:08 am

The black/white is a sensor earth so just run that to ground. The grey is TPS/Boost as per the diagram. Yes you should power it via a switched and fused live so that it's only on when the ignition is on. You won't be able to use a 100% increase as the injectors will run out of duty cycle, and 100% decrease would be no fuel at all, so you might want to start with the maps I posted then head for the dyno.

1sam1 · Post by **1sam1** » Mon Jan 14, 2008 4:11 pm

thanks lorcan for the help

i have 352cc/3bar injectors, you maps will help me a lot thanks.

how do you fix the boostsensor 8v problem,can i put a another boostsensor 5v to the pc3.

reg sam

Post by **Lorcan** » Mon Jan 14, 2008 6:25 pm

That's what I did.

1sam1 · Post by **1sam1** » Mon Jan 14, 2008 6:35 pm

did you use 2,5bar(1,5bar boost) map sensor or 3.0bar(2,0bar boost)?

1sam1 · Post by **1sam1** » Tue Jan 15, 2008 6:04 pm

the injectors on the bike is ground controlled, what wire is in to the pc3...red/white or yellow?

Post by **Lorcan** » Tue Jan 15, 2008 7:27 pm

Have you read the installation instructions?

1sam1 · Post by **1sam1** » Tue Jan 15, 2008 7:42 pm

he he.... ok the yellow then.