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Home > Wanted > Megajolt Molex plug + Pins

Mike-998

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Buckinghamshire

Hi, I'm after the white molex plug that goes into the Megajolt Jr box (14 Pin) and the metal pins to go with it.

Thanks

http://www.turbominis.co.uk/forums/index.p...tid=469104&fr=0


MikeRace

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Force Racing ICT Dept Manager Miglia Turbo Am frum Yokshyer tha noes!

I believe theyre the same as motherboard molexes, if they are i can chop you one off an old power supply.

1/4 Mile 14.3secs 96Mph Terminal 10psi of boost.


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metroturbo

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I bought one of these and simply cut off the unneeded section of pins. You don't have a working locking tab, but it is a snug fit and is never going to just drop out.

http://www.maplin.co.uk/24-to-20-pin-atx-c...ion-cable-98962


bennyy

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Trigger wheels have them.

Audi s4 b5 - 470bhp & 486ft lbs

On 15th Mar, 2012 wil_h said:

Yes, Carl says he gets requests for rimming all the time

On 30th Apr, 2012 Brett said:
yeah stick the bit in and give it a wobble *wink*


Mike-998

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The reason need it is that the clip i have at the moment doesnt have the rest of the pins in, just the 4 essential ones, but one of the wires has fallen out of the connector pin, and i cant get the pin out. So i was considering just cutting the existing connections and just putting a brand new connector on, with wires for the user outputs and shift lights etc.

So if you have one lying around mike, that would be handy, The connector is 300mm wide, and 10mm high, and each pin is 3mm square, with a 7x2 layout.

http://www.turbominis.co.uk/forums/index.p...tid=469104&fr=0


t@z

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Chester, UK

trigger wheels has such a stupid markup on the molex plugs! what are they like £9 on there or something?

be handy if we could locate a suplier of some sort as molex plugs in maplins are £2-£3 max.

www.twitter.com/lilpinkiy


Rod S

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On 14th Feb, 2012 t@z said:
be handy if we could locate a suplier of some sort as molex plugs in maplins are £2-£3 max.


Aren't they these ones ???

Ignore the picture (it's only a 6 way but the listing is 20 way) have a look at the datasheet.

The socket pins that go in them are about 3p each so about £1 per connector (plus VAT).

I use this type of molex a lot, so do other people (Jean, 14point7, TechEdge for example), so it's probaby the same series (like motherboard power connectors as Mike says).

http://uk.farnell.com/jsp/search/productde...jsp?sku=4138405

Co-incedentally I'm just about to order some more 2 way versions for myself.

Schrödinger's cat - so which one am I ???


bennyy

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I found the Molex easy to come across. The pins I struggled to find, could not get them anywhere.

Audi s4 b5 - 470bhp & 486ft lbs

On 15th Mar, 2012 wil_h said:

Yes, Carl says he gets requests for rimming all the time

On 30th Apr, 2012 Brett said:
yeah stick the bit in and give it a wobble *wink*


Rod S

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On 14th Feb, 2012 bennyy said:
I found the Molex easy to come across. The pins I struggled to find, could not get them anywhere.


Here,

http://uk.farnell.com/molex/39-00-0046/ter...650?Ntt=1756650

OK, minimum order 100, but if they are the right ones, my Farnell account is free postage and no minimum order value and I have loads spare as I obviously buy them by the 100.

Schrödinger's cat - so which one am I ???


bennyy

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I ended up paying a fortune for them through trigger wheels.

Audi s4 b5 - 470bhp & 486ft lbs

On 15th Mar, 2012 wil_h said:

Yes, Carl says he gets requests for rimming all the time

On 30th Apr, 2012 Brett said:
yeah stick the bit in and give it a wobble *wink*


t@z

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Chester, UK

if you just need pins just go to maplins and buy there 20 pin molex as that uses the same ones was like £1.20.

Rod the MJ ones are 16 way i think......i think :s

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bennyy

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I tried my local maplins and they didn't have any.

Audi s4 b5 - 470bhp & 486ft lbs

On 15th Mar, 2012 wil_h said:

Yes, Carl says he gets requests for rimming all the time

On 30th Apr, 2012 Brett said:
yeah stick the bit in and give it a wobble *wink*


Rod S

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On 14th Feb, 2012 t@z said:
Rod the MJ ones are 16 way i think......i think :s


Only 30p from Farnell then :)

I was only going by what Mike said when he said the same as a motherboard connector, I've never seen an MJ close up but this type of connector is so common on the aftermarket automotive electronics market.

Schrödinger's cat - so which one am I ???


t@z

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On 14th Feb, 2012 Rod S said:



On 14th Feb, 2012 t@z said:
Rod the MJ ones are 16 way i think......i think :s


Only 30p from Farnell then :)

I was only going by what Mike said when he said the same as a motherboard connector, I've never seen an MJ close up but this type of connector is so common on the aftermarket automotive electronics market.


oh cool, i'll have a look properly on there site later as it goes a bit pete tong on my browser for some strange reason :/

www.twitter.com/lilpinkiy


metroturbo

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North Yorkshire

Walk into Maplins. Buy this. Walk out. Cut excess pins off of the plug with a stanley knife so that only 14 pins remain. Job done. It is even prewired. All for a mere £3. Simples!


On 13th Feb, 2012 metroturbo said:
I bought one of these and simply cut off the unneeded section of pins. You don't have a working locking tab, but it is a snug fit and is never going to just drop out.

http://www.maplin.co.uk/24-to-20-pin-atx-c...ion-cable-98962


John

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If something is worth doing, it's worth doing half of.


Rod S

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Not quite that straightforward.....

The polarised pins are all in different positions relative to the locking latch depending on the number of pins total.

This is to try and stop people plugging the wrong one in......

The reason "it will never drop out" becomes fairly obvious if you look at the datasheet.

But if you want to bodge :) :) :)

Schrödinger's cat - so which one am I ???


Mike-998

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edit: sorry, just read one of the above posts i missed.

Thanks for all the help (again) guys

Edited by Mike-998 on 14th Feb, 2012.

http://www.turbominis.co.uk/forums/index.p...tid=469104&fr=0


metroturbo

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North Yorkshire

On 13th Feb, 2012 metroturbo said:
You don't have a working locking tab

With the piece of information above, and your data sheet, work out what I have done that doesn't involve ramming the plug into where it shouldn't go. Not quite the bodge you suggest.

Not everybody has easy access to ordering cheaply from Farnell (minimum order of £20 for the general public buying on a credit card), or at all from RS. Needing a new molex or new pins isn't that uncommon, and modifying a plug that is readily available from Maplin for £3 is a quick solution that might get a car on the road quickly when needed. It also saves having to buy the correct tool to crimp the pins to the wires.

On 14th Feb, 2012 Rod S said:
Not quite that straightforward.....

The polarised pins are all in different positions relative to the locking latch depending on the number of pins total.

This is to try and stop people plugging the wrong one in......

The reason "it will never drop out" becomes fairly obvious if you look at the datasheet.

But if you want to bodge :) :) :)


Rod S

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I guess your definition of a bodge is different to mine so let's agree to disagree.

The Molex connectors were designed to work in a certain way, they produced the 4 sided, 6 sided keys to work the way they should.

The intention of the designers was obviously to prevent people destroying things (or destroying Molex's reputation) so they tried to stop you doing what you have done.

If you don't think the locking tab is required then you disagree with the designers of the connector.

So you cut bits off the wrong connector to make it "right ???

But it still isn't.

I agree not everyone has access to Farnell at the £20 minimum order price but for those who do, I've given the relevant links.

A group buy would easily sort out the >£20 limit and I've bought items from Farnell and posted them on to many people on here who use my <£20 limit and free postage when they ask me.

Schrödinger's cat - so which one am I ???


Mike-998

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Buckinghamshire

So how about this then?
http://uk.farnell.com/amphenol/mf42-hf-14/...4way/dp/1840043

It's the closest thing I could find to a 14 pin plug, although it looks like the retaining clip is in the wrong place.

http://www.turbominis.co.uk/forums/index.p...tid=469104&fr=0


metroturbo

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North Yorkshire

You are right. I do disagree with the designers, and I have found that the locking tab is completely over the top and not required to hold the plug in the socket for this application. Do you believe designers always get it right for every application of every product? By your definition, the use of Megajolt at all is a bodge because neither Austin or Ford intended for their respective parts to be used in this way.

I made it "work", and it is fit for purpose. That is engineering in the real world, not the nuclear world.

Group buys and buying via somebody with an account wouldn't have got my car moving within hours. That was over 3 years ago, and that plug hasn't moved in the slightest. I'm not bothered whether you believe it is a bodge or not, but it is an safe and reliable option for those that choose to use it. The plug fits, and it works, so I don't give a shit *happy*.


Mike-998

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Okay, okay

I think i have a solution.

Rapid Electronics do the right plug shape with the latch, and I can order some other bits and bobs i need as well, like LEDs and resistors to make the shift light at the same time.

If there is a price limit, i'll just ask my old sixth form to order it for me.

Think that should sort it. *happy*

http://www.turbominis.co.uk/forums/index.p...tid=469104&fr=0


Rod S

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On 14th Feb, 2012 metroturbo said:
You are right. I do disagree with the designers, and I have found that the locking tab is completely over the top and not required to hold the plug in the socket for this application. Do you believe designers always get it right for every application of every product? By your definition, the use of Megajolt at all is a bodge because neither Austin or Ford intended for their respective parts to be used in this way.


I don't believe designers always get it right but they usually err on the side of safety and company reputation.
Backwards engineering something like MJ or MS (in my case) to fit is a compromise between perfect and bodge.
We obviously both work at different ends of that scale (not that I'm suggesting I'm perfect, but I try to do it as best as possible).



On 14th Feb, 2012 metroturbo said:
That is engineering in the real world, not the nuclear world.

True, in the "real world" I too bodge sometimes, usually to test something before doing it properly.
I'm not quite sure what the "nuclear world" reference is about - that's my industry so I'm used to doing things right ???

If you want a seperate debate on that subject, "general chat" wouild be best.

On 14th Feb, 2012 metroturbo said:

Group buys and buying via somebody with an account wouldn't have got my car moving within hours. That was over 3 years ago, and that plug hasn't moved in the slightest


Fine, but in this case it isn't hours and I've simply answered the question as to whether the proper connector is available other than from TriggerWheels, and the answer is YES.

On 14th Feb, 2012 metroturbo said:
I'm not bothered whether you believe it is a bodge or not, but it is an safe and reliable option for those that choose to use it. The plug fits, and it works, so I don't give a shit *happy*.

Fine by me but if anyone wants the proper connector (locking latch and new connectors, no need to solder wires of different colours outsideof the connector) and doesn't want to use a cut up Maplins cable, just PM me.

The proper one will be about £1 and 0.75P for me to post it on to you. I order from Farnell about twice a month and my account has no minimum cost limit or postage charges. I happily buy items for people on this forum and post at cost so long as people don't take the piss.

So anyone who wants one for about £1.75, just PM me.

Schrödinger's cat - so which one am I ???

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