Re: New with problem

On Sat, 19 Jan 2008 11:40:51 +1100, Josh <josh.m@[EMAIL PROTECTED]
>
wrote:

>Hi all, 
>Finally got off my arse and decided to track down a saab newsgroup.
>
>My love is an 88 9000 Turbo which is just about to turn 300000Km's. She
>only has one glitch and that is a mild electrical problem where the
>electical system(ignition) dies completely (tacho reads 0). I know it's
>heat related because I can avoid it by not driving hard on hot days. 
>
>I'm sure most of you dont own distributor based 900's/9000s but if
someone
>may know where exactly the hall effect sensor is located, this would
>really help. I think i've tracked the problem to this little thing.
>
>Cheers,
>Josh

The problem is either the ignition amplifier or the Hall effect sender
in the distributor since both of these  parts can produce those
symptoms.

I would try swapping the the ignition amplifier first because it is
easy to change. The ignition amplifieralso provides the tachometer
drive signal.