You have the Triumph-Adler ECU rather than the Bosch ECU.  They're
interchangeable.  You won't blow anything up.

Mike

Mike Elliott wrote:
> Bryan Feddish sent a clean loaner ECU for me to try in my 84 1.9L. It
> looks like this one:
>
> http://gowesty.com/ec_view_details.php?id=4255&search_phrase=ecu&start=
>
> and has part number "025-906-021" on it. It is identified as being correct
> for my model/year.
>
> But the ECU in my 84 looks different:
>
> http://picasaweb.google.com/j.michael.elliott/Vanagon/photo#5230048100272871410
>
>
> It has heatsinky-fins on the plug side, maybe a different mounting pattern
> (?), and is labeled "025-906-021C". Says "Digijet" on it.
>
> I presume the two are swappable, given that they have the same part
> number. But I want to make sure before I plug the loaner in and either
> blow it up, or it makes the engine run backwards (reversing the flow of
> time?), or a bad smell or something.
>
> How many ECUs did VW make for the 1.9L?
> --
> Mike "Rocket J Squirrel" Elliott
> 71 Type 2: the Wonderbus
> 84 Westfalia: Mellow Yellow ("The Electrical Banana")
> 74 Utility Trailer. Ladybug Trailer, Inc., San Juan Capistrano
> KG6RCR
>