9000 non start- help

[Alfa Mad]

I've just done a head job on a '93 model 2.3 9000 16v. Unfortunately, it now won't start and the front electric windows appear to have packed up. Surely it must be something I've done- it just seems a little too coincidental.

The engine has the Jetronic injection (ECU in the scuttle) and has an old fashioned distributor- not the direct ignition of newer cars. It is non turbo, and the fuel pump does not prime when the ignition is first switched on (which I think it should do). The rear electric windows work ok (no sunroof), and the fuses and relays (situated in the glovebox are all ok).

Can anyone help?

[ylee coyote]

check your fuel pump relay first ....

[Alfa Mad]

The fuel pump relay is ok- it doesn't get a signal. Ditto the injectors don't recieve a signal nor does the ignition amplifier. I origianlly thought maybe it's the cranshaft sensor, but with the electric windows not working surely I've bungled? As I have no wiring diagrams for it I've run out of ideas.

[nicecupoftea]

Is it worth checking the earthing points?

Get yourself a Haynes manual, OK they might be crap these days but they at least have wiring diagrams.

[ylee coyote]

ah ha...

Its probably the ignition switch

common fault

do a search on www.saabscene.com and find out what to do

oh and buy a manual....

[Alfa Mad]

Thanks for the info. It turns out that I'd left off the earth wires on the back of the plenum chamber (dozy fool) but the front electric windows were a poor alarm/imobiliser install in the fusebox area.

It now goes again!