Valtra
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 posted on 17/9/08 at 06:39 AM |
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plug leads
Seems my plug leads could be interfeering with my Lumenition module , how much do I need to spend on decent plug leads ? £10 in Halfords or £50 on
Magnecor ? please bear in mind the carbs only cost £50 and the engine rather less....but I do want it to do justice to the Lumenitions potential .
Cheers
Ian
"If it looks like it works and it feels like it works, then it works"
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02GF74
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| posted on 17/9/08 at 10:59 AM |
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I am curious as to how you work that out.
Is it the standard lumentition module - optical trigger inside the distributor and module mounted on aluminium heart sink?
Is it bolted to chassis well so has a good earth?
Are you using radio suppressed leads i.e. the carbon ones as opposed to copper wire leads?
What engine is it?
Are you using standard coil or one designed for ballast? (it should be former) search on here for how to tell them apart.
If you feel it is the leads, then new radio suppressed ones from halfords should work fine.
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Valtra
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| posted on 17/9/08 at 09:04 PM |
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Hi
I've been in contact with Lumenition and described the problems I'm having and they have sent a list of tests to try out . High on the
list is the plug leads need to be fully supressed and non Copper otherwise they cause severe problems for my "Lumenition Performance
System" (as oposed to the standard "Optronic" system) .
My engine is a Fiat Twin cam 1.6 and all I know about the leads is they are RED and came with the Engine . so it just eliminates this potential
problem before I move on to testing the optical switch / coil / and Power module to track down why I'm having intermittent misfires and cut
outs .
cheers
Ian
"If it looks like it works and it feels like it works, then it works"
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Valtra
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| posted on 17/9/08 at 09:08 PM |
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Oh and the coil is the matched Lumenition one from the performance system so unless it is faulty should be ideal
"If it looks like it works and it feels like it works, then it works"
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02GF74
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| posted on 18/9/08 at 07:55 AM |
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quote:
Originally posted by Valtra
I've been in contact with Lumenition and described the problems I'm having and they have sent a list of tests to try out . High on the
list is the plug leads need to be fully supressed and non Copper otherwise they cause severe problems for my "Lumenition Performance
System" (as oposed to the standard "Optronic" system) .
's what I said  Obviously the so high performance system is not that great if it won't work with any lead. No doubt they were
offering to sell you a set of mega leads for £ 100!!!
quote:
Originally posted by Valtra
My engine is a Fiat Twin cam 1.6 and all I know about the leads is they are RED and came with the Engine. So it just eliminates this potential
problem before I move on to testing the optical switch / coil / and Power module to track down why I'm having intermittent misfires and cut
outs .
red leads are notoriously bad for electricity, you want blue or black ones.
pull of the lead at the distributor cap and look at the connector. You should either see a copper wire or black glass fibre strands in the centre.
If copper, check 'em in the bin. Unlkess the engine is from the 60s or 70s, it is unlikely to have copper leads as original equipment.
I see no reason why suppressed leads from halfords circa £ 10 swon't work.
If you are local, I have a set of leads you could borrow, assuming they are long enough to see how they go.
Also make sure that where the leads cross, they do so at right angles.,
where they run parallel to each other, ensure there is space between them - those lead separator thingies are good for t hat, or use cabble tie and
plastic tuve to keep them apart.
Are your plugs in good order?
Is the cap in good order too?
If the optical sensor is fitted and wired correctly, I doubt that is at fault.
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Valtra
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| posted on 18/9/08 at 09:09 PM |
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quote:
Originally posted by 02GF74
quote:
Originally posted by Valtra
I've been in contact with Lumenition and described the problems I'm having and they have sent a list of tests to try out . High on the
list is the plug leads need to be fully supressed and non Copper otherwise they cause severe problems for my "Lumenition Performance
System" (as oposed to the standard "Optronic" system) .
's what I said Obviously the so high performance system is not that great if it won't work with any lead. No doubt they were
offering to sell you a set of mega leads for £ 100!!!
Aparently the CEM (constant energy module) works differently from the standard Optronic and is extremely sensitive to EMI
quote:
Originally posted by Valtra
My engine is a Fiat Twin cam 1.6 and all I know about the leads is they are RED and came with the Engine. So it just eliminates this potential
problem before I move on to testing the optical switch / coil / and Power module to track down why I'm having intermittent misfires and cut
outs .
red leads are notoriously bad for electricity, you want blue or black ones.
Hmmm just as I thought
pull of the lead at the distributor cap and look at the connector. You should either see a copper wire or black glass fibre strands in the centre.
If copper, check 'em in the bin. Unlkess the engine is from the 60s or 70s, it is unlikely to have copper leads as original equipment.
1979 "T"reg
I see no reason why suppressed leads from halfords circa £ 10 swon't work.
If you are local, I have a set of leads you could borrow, assuming they are long enough to see how they go.
Not local but thanks for the offer even though it looks increasingly likely they want upgrading anyway.
Also make sure that where the leads cross, they do so at right angles.,
???????????
where they run parallel to each other, ensure there is space between them - those lead separator thingies are good for t hat, or use cabble tie and
plastic tuve to keep them apart.
just bundled together as they were in the Fiat
Are your plugs in good order?
Yes new !
Is the cap in good order too?
Will check if I get no joy from the new leads.
If the optical sensor is fitted and wired correctly, I doubt that is at fault.
has been working but also the car has been breaking down a lot too
Cheers
"If it looks like it works and it feels like it works, then it works"
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David Jenkins
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| posted on 18/9/08 at 09:11 PM |
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Don't Lumenition also make plug leads?
Might as well go for the complete set, if they do!
[Edited on 18/9/08 by David Jenkins]
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Valtra
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| posted on 18/9/08 at 10:44 PM |
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Yes but not a specific set tailored to my particular engine .
"If it looks like it works and it feels like it works, then it works"
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Valtra
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| posted on 15/10/08 at 10:55 PM |
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update
Just to update fitted new leads and still no joy , went through the Lumenition check list and drew no conclusions . so ripped out the system and sent
it for testing ...the main control unit was cooked .....fitted new kit ...Car runs better than ever , certainly well enough to run it in before
getting the fuel system properly set up ...
"If it looks like it works and it feels like it works, then it works"
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