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No 12V Ignition To Startermotor


Best Answer Thilemann , 03 April 2015 - 07:23 PM

The problem with the starter, was the big relay. It had a bad soldering, so after giving it some new tin, it was running again.

Messing so much with the relay, i accidentally broke a wire (It had obviously been repaired before), so after resoldering the wire back in place, the fuel pump was working again, and my mini was again running. Thanks to all who took the time, to help :)

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#16 FlyingScot

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Posted 07 April 2015 - 09:31 AM

Any joy southlincspickup?

FS

#17 southlincspickup

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Posted 07 April 2015 - 03:44 PM

not really, but

I can get the engine to turn over by pressing the coil, same for the petrol pump so that's a bit of progress

the main one I would of thought that as soon as the ing was turned  on it would click across too?

not sure about the heater but that would not be so obvious

I think I ma\y have to get a auto electrician to have a look

im not sure about the imobliser because the last owner said he had it disabled

also the body of the ecu seems to have a reading of 12 volts from a earth, but will not light up a test bulb, this is really baffling  me

:shy:



#18 Thilemann

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Posted 08 April 2015 - 08:45 AM

Can you get your car running, by short wirering the starter, when the key is in ignition? If you can do that, you "just" have to trace it back from the 12v signal cable on the starter. (It goes directly to the relay we've been talking about). Start by testing if there is connection from the cable to the relay. If there is a connection, then check if the relay gets 12v when turning the key.



#19 southlincspickup

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Posted 08 April 2015 - 04:29 PM

SUCESS

:lol:  :kiss:  ;D  :D  :D :D  :D  :D  :D  :D  :D  :D  :gimme:  :proud:  :proud:  :proud:  :proud:  :proud:  

I AM SO HAPPY

from zero to hero thanks so much all you guys, just a school boy error

all that was wrong was that some nob (me)

had connected two large ring terminals to the starter motor live rather than to earth,

clipped them onto  a jump lead to earth and

first I hear the fuel pump prime, and then what I think was the step motor click into life, I turn the key to crank and low and behold the engine turns over and yes we have a spark,

happy is an understatement :shades:  :shades: :shades:  :shades:  

I know im not there yet cause its not got any fuel in the tank  and she is not purring like a kitten yet yet but big big step tonight

again I cant thank you guys enough

mpl

 

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#20 southlincspickup

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Posted 08 April 2015 - 04:42 PM

so tonight or tomorrow, I will be adding some fuel to the tank, after blanking off original carb line

 fill her up with coolant,

fit gear change rod

fit the two loose wires to earth

and very important, running ducting from exhaust to outside (it been in the garage that long that I have a stood wall in front of the garage door lol )

oil and filter have  been changed,

then it will be time to fire the old gal up after about 10 years 

fingers crossed I will still be smiling later

looking at my list it could well be tomorrow

anything you would recommend ?

give it a few turns without the rotor arm in  to allow the oil to circulate?

laters



#21 FlyingScot

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Posted 08 April 2015 - 08:42 PM

How are you fuelling it?
It's an SPi in a pickup body so what pump and return have you fitted to her? A modified pickup tank or something more interesting?

FS

#22 southlincspickup

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Posted 08 April 2015 - 11:18 PM

I modified the pickup tank
Was looking at welding 3 new lines into the tank but after some research on the web I found a great way to do it using two elliptical rings bolted either side of the tank with about 12 m5 cap screws and nuts and then using some 8mm Copper bulkhead fittings, like the ones used for oil central
heating supply
I then put one in the tank filler neck for the breather
I can add some pics if it will help anyone
The pickup started after about 15 seconds of cranking tonight so it's going very well at the moment :-)

#23 southlincspickup

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Posted 08 April 2015 - 11:27 PM

8mm Copper pipes for all 3 lines and an external warf____e pump from mini spares recommended for the turbo, it cost me over 100 quid, I could of got it cheaper but did not really know which one I needed, I did ask for tech information about fitting it, I wanted to fit it vertical upside down to get it in the space inside the pickup sides, but got no reply back for 6 weeks saying it had to be horizontal , which was a hugger cause I had already fitted it so I had to remove it and start again :-(
I will add a few pics soon

#24 Thilemann

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Posted 10 April 2015 - 02:18 PM

Yay! I'm glad it's worked out for you! After doing complete renovation of mine, I couldn't start either. It was also a problem with earth, just that it was the battery which hadn't any connection to the car
👍




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