ISV control relay

[Phil Payne]

> Subject is an 89 200Q with MC-2.  At the ISV relay I'm
> checking term. 4+5 per SJM site.  No power.
> Ground(term. #5 is fine).  I've got battery voltage at
> term. 15 which supplies power to the unit.  Scott J
> mentions that these sometimes go internally.  I opened
> and looked at all the solder connections.  Everythings
> still attached, and no corrosion or burning.  Is this
> relay shot?  Any BTDT?  Btw the relay is 447 907 393B.

At the risk of shortly finding it scattered over all sorts of sites on the
Internet without my knowledge, have you seen
http://www.isham-research.com/quattro/isv_test.html ?

It's written for the MB (MAC12) but I think the basic principle is the same.

--
  Phil Payne
  http://www.isham-research.com
  +44 7785 302 803
  +49 173 6242039