mistergrumpy
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| posted on 10/12/07 at 02:59 PM |
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ZX9R Resistor
just a quick question cos my engine now won't start. Would it still turn over if the resistor was knackered? I think I may have damaged it
whilst soldering it  and I can't find my spare
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mackei23b
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| posted on 10/12/07 at 03:55 PM |
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Hi there
Just had a quick look at the wiring diagram. If you are using the original bike junction box and safety circuits it looks like the ECU will need
powered up to crank the engine.
The resistor should be 100 Ohm. If it is OK it's worth checking the safety circuits again as the next step.
Hope this helps
Cheers
Ian
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mistergrumpy
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| posted on 10/12/07 at 04:38 PM |
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Well it all worked fine until I soldered it up last night This is how I've done it with the Sierra ignition barrel and the bike loom
[img][/img]
This look okay?
Oh the starter wires are not drawn on just the main ignition jiggery
[Edited on 10/12/07 by mistergrumpy]
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mistergrumpy
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| posted on 10/12/07 at 07:51 PM |
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Nae spark. Do we think it possible that whilst soldering the resisitor onto the grey wire (which terminates at the ingniter) I've knackered the
igniter?
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roadrunner
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| posted on 10/12/07 at 08:56 PM |
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I would say it's your resistor, i know the soldering iron gets very hot, but i dont think it would damage your igniter.
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mistergrumpy
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| posted on 10/12/07 at 08:59 PM |
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Well yeah thats what I thought but I've got a couple new resistors and tested the one in place but its still 100 Ohms. The engine is turning
over but there's no spark so I'm a bit stumped now
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mackei23b
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| posted on 10/12/07 at 10:23 PM |
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Hi there
So, before you soldered the resistor did it all work OK?
If yes, what have you changed / touched and this may give me more info to go on.
Cheers
Ian
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mistergrumpy
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| posted on 10/12/07 at 10:33 PM |
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It was all fine before yes. I had a bit of wire shorting the brown to the white and the grey via a resistor to the white and for the switch I was just
touching the wire ends. What I did last night was to put crimps on the switch ends and plug them onto the savage switch and I cut the block off the
brown grey and white wires. I then soldered the resistor onto the grey wire and t'other end to the white wire. I then soldered an extension
piece onto the white wire then soldered the other end of this onto the red (+ve) of the sierra switch. I extended the brown wire similarly and the
other end to the earth of the sierra switch. I now switch the key to middle and press my savage switch which turns the engine but won't fire it.
I took out a plug and theres no spark between the plug and earth. Dunno what I've done
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adithorp
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| posted on 10/12/07 at 10:52 PM |
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Someone hasn't given you a duff switch has he?!?
Have you checked for feed from the switch?
adrian
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mistergrumpy
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| posted on 10/12/07 at 10:54 PM |
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No mate, the switch is fine thanks. I've shorted it before the switch and its still the same 
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mackei23b
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| posted on 13/12/07 at 11:19 AM |
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quote:
Originally posted by mistergrumpy
Well it all worked fine until I soldered it up last night This is how I've done it with the Sierra ignition barrel and the bike loom
[img][/img]
Hi there
Yes, that looks wrong! I've had a look at the ZX9R wiring.
White = +12V Supply (Battery) This should be on one side of the Sierra Switch.
Grey (with restistor inline) + Brown conected on the other side if using the bike loom.
That said, check that that you have the right wires from the sierra column as it sould of sparked if these wires are all being connected across the
switch.
I'd short the wires accross at the column and see if it starts, if so you've wired the sierra switch wrong. If it deosn't the plot
thickens!
Good luck!
Cheers
Ian
[Edited on 13/12/07 by mackei23b]
[Edited on 13/12/07 by mackei23b]
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mistergrumpy
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| posted on 13/12/07 at 07:15 PM |
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The plot thickens mate. I've reverted to how it was before the switch so literally I have a white a brown and a grey wire with a resistor
fitted. It still won't generate a spark though I've no ideas left. I've checked the spark thingy that works off the rotor thingy
and the resistances all work out. A bit stumped, it was all fine before I soldered
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JoelP
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| posted on 13/12/07 at 10:24 PM |
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what model is it? Maybe try borrowing a cdi to test it (i have one for a c but it too is untested...) You would have had to be close to it to damage
it though. My money would be on a loose connection somewhere 
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mistergrumpy
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| posted on 13/12/07 at 10:31 PM |
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Ha ha! Went out for a bit of a play just over an hour ago with some connecting blocks. I have put two wires coming off the white one then connected
the brown to one then the resistor to the other then I pressed the start button and hey presto, it started! it really caught me out I shat myself. the
neighbours will be grumbling now,went with a right crack. anyways,i'm back on track again I just can't quite see how it worked but never
mind eh!
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roadrunner
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| posted on 14/12/07 at 08:57 PM |
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I know it took me a while to get it right, very frustrating, but when it starts, it's the best feeling ever, pleased for ya.
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