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ZX9R questions
RMarine - 6/9/09 at 10:20 PM

i can not ID the wires going to the TPS on my ZX9R bike carbs. there are 3 wires White, Blue and Purple(this wire is faded so i only think its purple).. also which pipes in the diagram below are for the fuel intake??

[Edited on 6/9/09 by RMarine]

RMarine - 6/9/09 at 10:22 PM

Diagram......

MK9R - 7/9/09 at 07:13 AM

quote:
Originally posted by RMarine
Diagram......


The top pipe is the breather pipe that normally connects to the airbox, fuel pees out of this id the float chambers ge stuck open, so ensure you attach a pipe to it that take sthe fuel away from all hot surfaces, i.e. exhaust. The lower connections shown are the fuel inlet pipes.

Sorry can't help with the wires off the top of my head

x_flow57 - 7/9/09 at 07:29 AM

Do you have a multimeter that measures resistance?
You want to find the two wires that show no change in resistance between them when you twiddle the throttle, this pair will be the +ve supply and ground.
The other one is the signal.
To work out which way round the ground and supply are, measure the resistance between the signal wire and one of the others. If it goes from a low resistance when the throttle is closed to a higher resistance as you open it, it's the earth. If it goes from high resistance at closed throttle and decreases as you open up, it's the +ve supply.

HTH Nick

mistergrumpy - 7/9/09 at 11:18 AM

Looking through the Haynes wiring diagrams only C models onwards have TPS and all their wires are purple, yellow with white tracer and black with purple tracer. Each of these wires in all cases go directly into the igniter unit on the bike so I've no idea what electrickery magic goes on inside there sorry.