Electronic Failure - whats the cause?

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ExigeKen
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Re: Electronic Failure - whats the cause?

Post by ExigeKen » Wed Jul 02, 2008 11:34 pm

mac wrote:Well it's BBQ time around the back of the alternator!

The two thin wires leading to/from the alternator are fried and broken and the multiplug at the back of the unit has melted too :cry:


So it's off to euro alternators in the morning and hope they can fix it - then it's a search for a new multi-plug and finally splice in some new wires and cover in heat resistant material.

All this and work tomorrow so we can leave early on Friday for the run.


Mac
Hope that you get her fixed in time for the weekend :thumbsup
2004 Exige S2 1.8 - Ardent Red

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paulW
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Re: Electronic Failure - whats the cause?

Post by paulW » Thu Jul 03, 2008 8:19 am

any clue as to why they have fried??

Wire damaged > Short > Fried, or something more sinister?
The insulation was completely gone, so definitely a short at some point, hope its something simple.

Sure you'll get it sorted :D Good Luck

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mac
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Re: Electronic Failure - whats the cause?

Post by mac » Thu Jul 03, 2008 8:34 am

The "seat" of the "fire" is located very close to the multi-plug on the rear of the alternator.

I'm working on the theory that the alts pushed out to my current/volts/amps(delete as applicable) which has cause the wires to overheat.

There's actually two wire in the heatshield - on that we saw and the other was burnt back much further. Both wires are quite brittle for another 50 - 60mm back from the point where the burnt through.


So - Euro alternators, when they open, halfords for some wire (not sure of the gauge tho) and then try and find a multi plug!
S2 Elise (cobalt blue with stripes) - toy spec
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mac
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Re: Electronic Failure - whats the cause?

Post by mac » Thu Jul 03, 2008 9:58 am

The alternator's toast - offical - from the guys that I use to rebuilt things like alts & starters.

Got a re-con unit (which is what they do) for £80 with a years warrenty so can't complain.


Euro Alternators in Cambuslang if anyone is ever needing their services.


Mac
S2 Elise (cobalt blue with stripes) - toy spec
Caterham 7 - hillclimb spec
Yamaha Thundercat - 2 wheeled toy spec

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Shug
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Re: Electronic Failure - whats the cause?

Post by Shug » Thu Jul 03, 2008 10:47 am

Yeah, when mine went, it went pretty much totally too. To the point that the casing had cracked and bearings felt like twisting a drill into stone by hand...

Ended up just splashing on a brand spankers one for £140 given the heat and revs mine takes (remember reading somewhere that they're actually overspeeding when taken over 6K revs in the K install). Dare say I'd have been fine with a recon as well, TBH.
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mac
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Re: Electronic Failure - whats the cause?

Post by mac » Thu Jul 03, 2008 10:56 am

mine span ok - just thing it was the internals that weren't playing ball.

These guys are good - do mainly commericals and it's pretty much new electrics with maybe cut back commutators to keep the cost down. reused casting after a sandblast so look the biz!


New one for the S2 is bloody expensive - about twice the price of the S1 version!
S2 Elise (cobalt blue with stripes) - toy spec
Caterham 7 - hillclimb spec
Yamaha Thundercat - 2 wheeled toy spec

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paulW
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Re: Electronic Failure - whats the cause?

Post by paulW » Thu Jul 03, 2008 11:51 am

so you got it fitted yet? chop, chop.

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mac
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Re: Electronic Failure - whats the cause?

Post by mac » Thu Jul 03, 2008 12:22 pm

:mrgreen: - I'm currently paying for it!
S2 Elise (cobalt blue with stripes) - toy spec
Caterham 7 - hillclimb spec
Yamaha Thundercat - 2 wheeled toy spec

cargillauto
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Re: Electronic Failure - whats the cause?

Post by cargillauto » Mon Nov 16, 2009 11:24 am

Hi all,

I just bought my first s2 and love it to bits, but the exact same thing happened to mine the other day, alternator multiplug fried and i was wondering if any one had a source for a new multiplug or would i be better going to the breakers for one?

I wanted to fit a new multiplug first then check the charging,

I checked the receipts that i got with the car and it had a new alternator and multiplug just over a year ago for the same problem.

thanks.

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