OK.

On 9/9/2014 11:13 AM, Neil N wrote:
> Thanks Scott. The Jetta ECU bracket, as it mounts to the Jetta, has plastic
> grommet type pieces at the mount points where it fastens to the vehicle.
> However. I'm not certain if each mount point has this plastic part.
>
> Of course I'm not disagreeing with you, but just to explain my logic,
> the copper trace on the circuit board that was burned, connects to ECU pin
> 1 which is a main ground connection to the ECU. since there appeared to be
> a short between the ECU circuit board metal frame, and this ground path
> trace in the ECU circuit board, thought maybe this was due, in part, to the
> ECU frame being connected to vehicle frame via he mount bracket. (As
> installed in my vanagon under he rear bench seat.
>
> Neil.
>
> On Tuesday, September 9, 2014, SDF ( aka ;jim lahey' - Scott ) <
> scottdaniel@turbovans.com> wrote:
>
>>   I've worked on all kinds of cars , for decades,
>> and have never seen an ECU that needed to be, or was mounted, so it's
>> insulated from the vehicles body.
>>
>> totally normal that an ECU with a metal body is screwed right to a metal
>> part of the car.
>>
>>
>>   On 9/8/2014 10:39 AM, Neil N wrote:
>>
>>
>>
>> PS. thinking now, I recall that in the OEM application, the Jetta ECU mount
>> bracket may be insulated from the vehicle frame! The way I mounted it in my
>> vanagon, this bracket is "grounded" to the vehicle frame.
>>
>> Is this incorrect?
>>
>>
>>
>>
> --
> Neil n
>
> Blog: tubaneil.blogspot.ca
>
> '88 Westy http://tinyurl.com/c8rlw6p
>
> '81 VanaJetta 2.0 "Jaco"  http://tubaneil.googlepages.com/
>
> Vanagon VAG *Gas* inline-VR Engine Swap Group:
>
> http://tinyurl.com/d7gd5ej
>