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She wont start, help?! WIRING ISSUES?! Post 29!

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Old 30-01-2011, 06:12 PM
  #41  
martysmartie
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Maybe, eliminate everything else first before condeming the ECU.

Martin
Old 30-01-2011, 06:12 PM
  #42  
WongRS
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i really cant be arsed removing the loom to be honest, was meant to be having a rebuild, but i am really close to just breaking it at the moment to be honest.
Old 30-01-2011, 06:25 PM
  #43  
martysmartie
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Have you got someone with another ECU you could use as a test?

Martin
Old 30-01-2011, 06:26 PM
  #44  
boost mad
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Can you not try your ecu on someone elses car ?

Have you tested the cps and phase sensors ?
Old 30-01-2011, 06:32 PM
  #45  
WongRS
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No, no one local really
Old 30-01-2011, 06:34 PM
  #46  
boost mad
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The only issue with trying someone else ecu on your car ( if you could get one ) is that if there is a problem with your loom you could damamge thier ecu. At least trying yours on someone elses cant realy damage anything.

I would say send it down to me and i will try it on my saph but my box is off so cant start the damn thing at the mo. Sorry
Old 30-01-2011, 06:40 PM
  #47  
martysmartie
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Have you tried unplugging the CPS etc and seeing if it makes any difference, obviously the car won't run but if the pump etc is ok you know it was that causing it, i doubt it is but it's a process of elimination (As with any fault finding) and it's simple to do!

Martin
Old 30-01-2011, 08:19 PM
  #48  
WongRS
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Thanks for the thought, boost mad.
I havent tried disconecting the CPS, but i will next time i am motivated to go out and try again!
Old 31-01-2011, 12:29 PM
  #49  
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Good luck and keep us posted!

Martin
Old 31-01-2011, 03:45 PM
  #50  
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thanks mate.
Old 31-01-2011, 04:13 PM
  #51  
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I know your having problems with it but just keep on looking at it. Dont break the car. Have yet used that web site to check for resistance in the wires from the ecu to the sensors. If you cant fix it get an auto electrican to look at your car.
Old 31-01-2011, 04:18 PM
  #52  
WongRS
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just been checking it now, may have found something, just waiting for the thing to obtain some electricity so i can try, will update shortly..........
Old 31-01-2011, 04:21 PM
  #53  
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Fingers crossed Dan.
Old 31-01-2011, 04:53 PM
  #54  
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thought id found a loose wire on the CPS, but makes no difference what so ever if the cps is plugged in or not.
It does stop if i unplug the ECU though. maybe a set of 45's would help.
Old 31-01-2011, 06:05 PM
  #55  
boost mad
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i would expect it to stop with the ecu unplugged if it was faulty or not.

How are the grounds on the loom ?
Old 31-01-2011, 09:19 PM
  #56  
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This happend to my mates when he got his coil pack conversion there was clicking coming from everywhere but when we disconected the coil pack it all just stopped. We also found that the rubber seal around the ecu plug was stopping the plug being connected properly.

Hope this helps

Cheers bram
Old 31-01-2011, 09:22 PM
  #57  
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i'll give it a go tomorrow, thanks
Old 31-01-2011, 09:47 PM
  #58  
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Dan have a quick look through this see if its anything like.The top and bottom of it was the switched ignition live to the engine loom if think.Hope you get it sorted mate.

https://passionford.com/forum/techni...ot-firing.html
Old 08-02-2011, 09:40 AM
  #59  
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any updates? solved?
Old 08-02-2011, 01:58 PM
  #60  
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Check all the wiring to the ecu mate,worth a try.
Old 08-02-2011, 05:48 PM
  #61  
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No updates, lost heart completely with it, engine was meant to be out and near enough rebuilt by now
Old 08-02-2011, 07:26 PM
  #62  
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take it somwhere to have it sorted. don't break it.
Old 09-02-2011, 06:51 PM
  #63  
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Get an auto electrican to look at it.I would check for resistance in the wires from the ecu to the sensors and injectors.
Old 18-02-2011, 05:08 PM
  #64  
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Still no joy, all wiring seems to be ok, found this in the ECU, emailed james @ msd today to get his opinion, so hopefully he can shed some light, but this is what we found.....

Thing is they look as if they have been snipped, so our guess that they are unused when running wasted spark (thats where the wires are going too, the wasted spark board)



Old 19-02-2011, 12:42 AM
  #65  
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EEK thats some pretty shit soldering but dont take my advise.I did work at an a electronics company for 13 years making,TRAINING,and doing the final test on aero space,military,commercial harnesses and looms.Training officer lol.If they have been like that for x amount of years with mega spikes and melted insulation they maybe ok but if it was me I would pull at them and then make sure as there stuck.Nah if you think thats the culprip resolder them so they not dry.Also check continuity from wire to pin with a needle in through the insulation.Vibration is a bad thing for poorly soldered joints.From what you have put previous I still suspect switched power/ign live to engine loom.4X4 different though than 2wd ?.There is a seperate engine loom setup to that of a 4b?.I will get shot down in flames for what I have put but I am not there to see with my own peepers.I hope you get it sorted and get back on it
Edit
What I thought about engine loom,2wd you can disconnect the whole engine loom to try on something else yes ?,but 4x4 you can not ?.
If you were closer you would be quite welcome to use my car for any testing(except speed trials)lol,It aint going anywhere atm !!

Last edited by Rax; 19-02-2011 at 12:51 AM.
Old 19-02-2011, 07:00 AM
  #66  
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staffordshire's only up the road! lol
Thanks for the input mate.
Old 19-02-2011, 01:27 PM
  #67  
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Originally Posted by WongRS
staffordshire's only up the road! lol
Thanks for the input mate.
Offer still stands if its an option I dont mind.
Old 20-02-2011, 10:39 AM
  #68  
boost mad
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Yeh they are normaly snipped when using the msd wasted spark kit, although i cant remember off the top of my head of they are the right ones
Old 20-02-2011, 01:43 PM
  #69  
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Thats ok then, thats what we thought but was just checking, got a dehumidifier in the old girl at the moment to see if drying it out helps at all, long shot but worth a try.
Old 05-03-2011, 02:09 PM
  #70  
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Update, had a quick chat with James @ msd and he said to send him the ecu, 4 days later and its back (well, at the sorting office because i missed the delivery ).
Looks like it had an encryption error, not sure how it managed that as its been fine for 2 years, but he fixed it and posted it back FOC, absolutely top service, so a massive thanks to james and all at MSD, have to wait till monday to see if it will actually bloody start now though!
Old 07-03-2011, 08:39 PM
  #71  
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Final update then, had the battery on charge for 4 hours, still only just had enough power to turn it over slowly, so i got fed up and got the jump leads out, she took some cranking but started to kick on 1, then running on 2, then onto 3 and slowly number 4 came to life after a minute or so, and this is it after running for about 3 mins, not bad for a car that's been sat outside with no protection from the elements for over 5 months!

happy now.
Old 07-03-2011, 11:25 PM
  #72  
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At least its sorted now .
Old 08-03-2011, 04:19 AM
  #73  
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Thank fook for that. I hope you happy now. Theres nothing worse than your car not working. Now you can start to enjoy the cossie again.
Old 08-03-2011, 06:25 AM
  #74  
WongRS
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Yeah, big grin now, just need's tyres, a service and an mot now!
Old 08-03-2011, 10:46 AM
  #75  
Glenn_
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Nice one. Just get the money spent. Cossies will give us trouble but at the end of the day there just old cars with old technology. So how come the wires are soldered to the pins but the pins have been cut. I dont understan
Old 08-03-2011, 10:50 AM
  #76  
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Great news Daneil san !! Excellent service from MSD as usual.
Old 08-03-2011, 10:58 AM
  #77  
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Good to see it's fixed.
Old 08-03-2011, 12:29 PM
  #78  
martysmartie
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Originally Posted by Glenn.
Nice one. Just get the money spent. Cossies will give us trouble but at the end of the day there just old cars with old technology. So how come the wires are soldered to the pins but the pins have been cut. I dont understan
Think that was to do with wasted spark, the actual problem with a problem with the ECU software encryption.

Glad it's sorted.

Martin
Old 09-03-2011, 04:22 AM
  #79  
Glenn_
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Yeh i know the ecu had a software fault but surely the pins in the ecu need to be joined for the soldered wires to work. Cause what is the point in soldering them wires to the pins cause they arnt gonna be doing anything.
Old 09-03-2011, 07:58 AM
  #80  
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bugger. was hoping you were going to break it as i wanted to buy my brakes back lol. glad you got it sorted.
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