Re: Programmable intermittent relay: summary

[Chris Newbold <Chris_Newbold@transarc.com>]

Thanks to all those who responded. I think I've managed to piece together
a picture of the situation...

There are several part numbers floating around: 3BO 955 531 and
1HM 955 531 [A|B|C]. According to my local VW/Audi parts guy, 1HM 955 531 A
and B supersede to the 3B0 955 531, while 1HM 955 531 C is "unrelated".
The former list as an "ECM for variable intermittent wipers" while
the latter is just a plain relay.

To further complicate matters, there is an after market part which goes
by either 1HM 955 531 A or B, made by a German company called KAE. These
parts, with a stamped manufacture date of 3-6-96, all appear to be
defective. Printing stamped on them clearly claims they are variable, but
no one I've talked to ever had one work.

Someone also pointed me to a Bosch part number, 0 986 335 058, which should
work.

So, be careful out there... Looks like to be safe you should buy either
the 3B0... or the 1HM ... A part, and buy either from a dealer or a place
that will get you an OEM part, not a imitation.

-Chris
1993 90CS 5spd 72k miles