zx12r fiesta
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 posted on 20/3/16 at 07:35 PM |
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zx12r a1 loom
hi there new to the forum and looking for abit of advice if possible, basically the problem that iam having is ive got a mk1 fiesta with a 2000 a1
zx12r motor in the back which ive been building for the last 3 years the ,
original wiring loom was a complete mess so i brought a new loom of ebay which said a1 2000 zx12r, gone to plug it all in and check before adapting it
to suit the fiesta and the problem is that i cant get the fuel pump to prime once the ignition is switched on after further investigation ive noticed
that the loom looks a little different as my old loom had had 4 plugs for the switch gears 2 for the left and 2 for the right,
but this loom only has the plugs for the left switch gear which is why i think its not priming the pump as the run switch/starter is not there to be
plugged in is there different type looms for this year any help would be much appreciated as iam am completely lost thanks lawrence
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Jamesc
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| posted on 20/3/16 at 07:57 PM |
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Do you have the FI light connected? Are you using the bikes ignition switch or a different one?
Reason being that there should be a 100kOhm resistor from one of the wires... If it's missing the FI light will flash as you push the starter
button/turn the key.
The other likely problem is faulty diode box... I've has both of these problems!
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zx12r fiesta
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| posted on 20/3/16 at 09:48 PM |
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thanks for the reply, i was running the standard car ignition which worked before with the 100ohm resistor but i took that apart after as i was only
getting the ignition lights when i turned the key all the way to the starter position i was getting the fi light flashing but only when the stand
switch was not connected, but now it only turns over with no fi light and no fuel pump , what is the diode box ?
[Edited on 20/3/16 by zx12r fiesta]
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wainecaplin
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| posted on 20/3/16 at 10:20 PM |
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We have connected the resistor from the grey wire to 12v+ if that helps
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twybrow
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| posted on 20/3/16 at 10:52 PM |
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Have you bypassed the safety circuits?
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zx12r fiesta
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| posted on 21/3/16 at 06:51 AM |
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By safety circuit what do you mean by that
[Edited on 21/3/16 by zx12r fiesta]
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twybrow
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| posted on 21/3/16 at 07:46 AM |
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quote:
Originally posted by zx12r fiesta
By safety circuit what do you mean by that
[Edited on 21/3/16 by zx12r fiesta]
Neutral switch, clutch switch, side stand switch and tilt sensor. If you have not bypassed these, then that would explain why it won't fire the
fuel pump. I have traced all wiring and bypassed, apart from the tilt sensor which I glued in the working orientation.
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wainecaplin
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| posted on 21/3/16 at 08:57 AM |
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Hi this is my friends post but I have been helping him with the wiring it's a bit of a mess so so far we have the neutral switch is working and
showing on the dash the tilt sensor is in place and working please could you tell me if the side stand and couch switch needs to be normally open or
normally closed to work also we have a resistor of the correct value connected from the grey ignition to a live but what about the other wires in the
ignition any help would be appreciated thanks
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twybrow
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| posted on 21/3/16 at 01:35 PM |
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I am just about to take off on a flight to LA, but i will find the posts I used as guidance. You need to start with a wiring diagram and really study
it to death, following each circuit through. That should help your questions above. From what I recall, the safety circuits all need to connect to
earth foe the ecu to fire it up. As for the resistor, again it is not just any old live feed - I recall this connects to th ecu so that it can detect
when the starter button is pushed.
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wainecaplin
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| posted on 21/3/16 at 02:10 PM |
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Ok I'll try it tonight I'm usually good with wiring but this loom is slightly different from the old one we took out thanks for your help
I'll let you know when we have done it
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wainecaplin
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| posted on 21/3/16 at 10:03 PM |
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Hi everybody thanks for your help I think we got it sorted the fuel pump is priming on startup just got to get all the lights working now wish us luck
haha
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twybrow
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| posted on 22/3/16 at 05:10 AM |
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So, what was it and how did you solve it?
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zx12r fiesta
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| posted on 22/3/16 at 07:18 AM |
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It was the tilt sensor unplugged it and plugged it back in then it worked thanks for the help
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wainecaplin
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| posted on 22/3/16 at 07:19 AM |
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It seamed to be the tilt switch I gave it a shake unplugged it plugged it back in and she primed so I'll be bypassing that somehow
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Jamesc
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| posted on 22/3/16 at 08:00 AM |
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You can open the case carefully (not too hard to do) and fill it with something that will stop the pendulum swinging, then plug it back in.
[Edited on 22/3/16 by Jamesc]
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