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Subject:Re: Update Re: Engine died, March 31 update and maybe ecu smoking gun?
From:Alistair Bell
Date:Tue, 31 Mar 2020 20:18:07 -0700

Hi Neil,

Yes, it was a great conclusion to the hunt.

I didn’t use heat sink, and I didn’t solder suck the joint. I just reflowed and added a tad more solder. I had hot iron and I tried to be fast.

Ab

> On Mar 31, 2020, at 5:43 PM, Neil N <musomuso@gmail.com> wrote:
> 
> Right on Alistair. Nice to know an ECU can be saved like that!
> 
> Kind of late to ask but when soldering, did you use a heat sink on the
> leg of that transistor?
> 
> At the group: is use of a heat sink even needed on a transistor of
> that size when soldering it?
> 
> Neil.
> 
>> On 3/31/20, Alistair Bell <albell@shaw.ca> wrote:
>> 
>> It worked!
> 
>>>> On Mar 31, 2020, at 5:04 PM, vw_van_fan_Mark <madvws@cox.net> wrote:
>>> 
>>> No, bottom left is pin 25.
>>> Pin 25 is the ignition coil trigger from it's driver transistor.
>>> That check mark for the middle pin of the transistor appears to show that
>>> your bad solder joint is for the pin 25 signal as hoped.
>>> 
> 
> -- 
> Neil n
> 
> VE7TBN
> 
> 1988 Westy 50º ABA swap: https://tinyurl.com/yap5hpwt
> 
> 1981 Westy 15º ABA swap: https://tinyurl.com/y9n4xob8
> 
> VAG Gas Engine Swap Group <http://tinyurl.com/khalbay>