andrews_45
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| posted on 11/2/07 at 11:09 PM |
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Killswitch wiring problems
I had my ignition circuit all working without the killswitch. Now I have added this and neatened everything up I cannot get my engine to run and the
coil is getting very hot.
Can somebody please scan in a diagram thet they have used to connect their ignition circuit in their 750mc locost racer.
I have the mk2 escort manual but it has the lights and all bumpf. I just want to see the engine side of the circuit, with the FIA killswitch in
place.
Many thanks in advance
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andrews_45
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| posted on 11/2/07 at 11:11 PM |
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If anybody can show me what the internal circuitry is in the kill switch is it would be a big help. Ta
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procomp
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| posted on 12/2/07 at 08:13 AM |
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Hi i know this is going to sound stupid but try putting a 2mm thick washer in to the hole then put the key in and try that .
All that this achiving is to push the plunger further in as there have been problems with some units having a lack of pressure on the internal contact
and it gives allsorts of untraceable problems .
cheers matt
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macnab
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| posted on 12/2/07 at 12:05 PM |
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coils aways get really hot if the ignition is left on, not sure why as they are cool when its running
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stevetzoid
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| posted on 12/2/07 at 02:40 PM |
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Hi There, make sure you have the poles wired the corrrect way on the kill switch, the one to the resistor should be on the normally closed contact
when the switch is off. this allows the output from the alternator to be shorted to earth through the resistor thus stopping the engine.
When the switch is turned on the contact to the resistor opens and the one to the coil closes giving 12 volt to the coil, check the values with a
meter. Make sure you have not disturbed any wiring when you were tidying up. Do you know how to use a multimeter? and have you got one.
Regards Steve Evans.
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stevetzoid
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| posted on 12/2/07 at 02:48 PM |
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I forgot to say, I think the coil gets hot because with 12 volts applied to it if the contact to the distributor or electronic box is closed the a
current will flow through the coil making it get hot. It is only when the contact is switched off through the distributor or electronic box that the
high voltage gets created by the collapsing magnetic field in the coil.
Regards Steve Evans.
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02GF74
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| posted on 12/2/07 at 03:53 PM |
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like what stevetzoid said.
when runing, the points are closed for a shorted period (about 1/3? - related to dwell angle, must lookk it up) so les power is dissipated.
if you kleave the ignition on and the points are closed, then there have been instances of fried coils.
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andrews_45
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| posted on 12/2/07 at 05:17 PM |
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I think I cracked it, in the re-wire my charge light went to earth by mistake! Engine now runs, have a problem with feed to the gauges though. Off
back into garage now to figure it out. Will post an update later
Ta
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