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jeffrey590, Master Saab Technician
Category: Saab
Satisfied Customers: 2847
Experience:  ASE Master Technician , Saab Master Technician w/ 35 years Dealer Experience in Advanced Level Diag.
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saab 9-3: I have a 2001 Saab 9-3. The passenger side high

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I have a 2001 Saab 9-3. The passenger side high beam did not function (complete with SID warning that there was a headlight failure). I replaced both headlights, but the passenger side high beam still does not function.

The wiring seems to be in good shape. The fuses are good. Any ideas?
Greetings JACUSTOMER, your problem is a faulty headlamp filament monitor. This is very common and easy to replace. Open hood to access fuse/ relay panel on drivers side. Remove cover. You will see an ORANGE relay. This is the filament monitor. Just unplug and install a new one. I advise against using a "used" one since the solder joints are what fails internally causing unit to fail. New ones are plentiful online and cost approx $50-$65 USD. If I can assist further please let me know and I will be happy to help. Thank you, Jeffrey
Customer: replied 3 years ago.

Thanks Jeffrey. I may not have made myself clear
though, the high beam doesn't work - is that also a symptom of the filament monitor being bad, or just giving the message on the SID?

Hello David, The filament monitor is the reason the high beam is inoperative. It has been a thorn in Saabs side for years (when they were in business, that is) and continues to cause individual high and low beam inoperative issues. Sometimes if you take it out and re-insert it in the relay box it will work for a short time, but will always fail again. That was the reason I warned against buying a used one. The SID message is triggered by incorrect resistance readings between the left and right side lamp circuitry. If you have replaced bulbs, checked circuits and fuses , then this is the likely culprit. If I can assist further I will be happy to help. Thank you, Jeffrey
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