Question about 2004 Saab 9-3

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Heater fan does not work in Saab 9-3. Battery voltage is low, <12V. Is the low voltage causing the fan not to work ?

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99-03 9/3 fan speed control unit,location right side vapurator in dash

Posted on Feb 04, 2010

  • bernt Feb 04, 2010

    04 93 ss has a control unit on the fan, remove glovebox and insulation,unit is mounted on the fan housing ,looks like a pistol grip this is for 93 whit acc

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Clicking sound when trying to crank the car. Battery is only 6 months old.


A CLICKING SOUND USUALLY MEANS LOW VOLTAGE. COULD BE LOW BATTERY,OR BAD OR DIRTY CONNECTIONS AT THE BATTERY & OR STARTER. TRY JUMP STARTING WITH GOOD JUMPER CABLES " STRONG CLAMPS & #4 CABLE " . IF THAT WORKS THE BATTERY IS LOW IF IT STARTS CHECK VOLTAGE AT THE BATTERY WHILE RUNNING. VOLTAGE SHOULD READ BETWEEN 13.90 & 14.80. IF THAT IS OK , THE ALTERNATOR IS WORKING, CHECK THE BATTERY

Jan 12, 2011 | 2004 Saab 9-3

1 Answer

I also have a 2004 saab 9-3 with the inside blower motor that wont turn off with key out of the car and even when the car is locked,It has manually air con panel. When i disconnet the battery and reconnect...


Hello.

There are two probable causes for this problem.

The first is the fan power relay is sticking in the closed position and drawing power even with the key off. When you disconnect the battery the relay resets itself and you are back to "normal" until you run the cycle over again.

You noted that your SAAB has manual climate controls. It still may be a good idea to check the BCM harness ground connections. BCM is the "Body Control Module". I do not have a wiring diagram available for your car so can offer no additional advice other than to say that millions of dlooars are spent in the USA every year due to dirty or loose ground connections on computer and module harnesses.

All the best.

Nov 21, 2010 | 2004 Saab 9-3

3 Answers

Where in a 2003 Saab 9-3 is the blower motor resistor located?


Where does the blower motor resistor go on a 2004 saab 9-3 ?

Sep 19, 2010 | 2004 Saab 9-3

1 Answer

2003 Saab heater won't blow


check for a secondary wire coming of the battery
that may not have been hooked up to the battery.
also check fuses due to voltage spike

Feb 10, 2010 | 2003 Saab 9-3

1 Answer

Have 9.3 saab 2lt Low turbo petrol, fan for heater in cab works great but when I stop and turn engine off fan carrys on running? have to remove fuse every night, any ideas please


usually when the fan stays on is for a certain amount of time to allow cooling off the engine but if it goes on and not going off there has to be some kind of a short or another wire allowing that to happen without shutting off

Nov 14, 2009 | 2003 Saab 9-3

1 Answer

Saab 9-5 Aero Heater Fan at full power


I think you can change the programming, I would look in the manual for exact procedure.

Aug 09, 2009 | 2001 Saab 9-3

5 Answers

1999 Saab 9-5 AC/heater blower fan not working


Check your fuses. if all is well, more than likely it is yor fan motor

Jun 23, 2009 | 1999 Saab 9-5

1 Answer

1994 Saab 900 S convertible running hot


You don't say whether your electric fans both work...

First, check fuses #25 and #6 (both 30 amp)

There is a fan thermoswitch is on the left side of the rad. Turn the ignition on, and after pulling back the boot, short across the two terminals with a screwdriver.

If the fan runs, fan and wiring are both good, but thermoswitch might be faulty.

If fan only runs when thermoswitch is shorted like this, switch needs to be replaced (I strongly recommend that you get the low temp switch to prevent overheating - your temp gauge will not go over the middle position even on the hottest days; also get a low temp thermostat,and ALWAYS get a Saab stat, not an after market one! The SAAB stats are three position, and most after market ones aren't)

if the fan doesn't run when switch is shorted, check for voltage between green wire and ground at the switch.

Voltage indicates faulty fan, if no voltage then check the fan relay J in the main fuse box for the A/C rad fan, and also check relay G - it's for the rad fan.

Hope this helps!

Saabreur

Jun 22, 2009 | 1994 Saab 9 3

2 Answers

2004 saab 9-3 not starting


Before condemning your starter, use a volt meter and check to be sure that your battery has 12v (items you mentioned are "low draw" and do not require anywhere near the amps that a starter uses) Then check to make sure connections at the battery are clean and secure (on the contact surfaces where it matters) this applies to both ends of those cables, not just the battery end. Then, if necessary, check the small wire on the starter (trigger wire) to make sure there is 12v there when you turn the key to "start". If not, the problem is elsewhere, not the starter. If voltage is present, and all tests are good, then it's safe to replace the starter.
Takes longer to write this than it does to make tests!
Good luck!!

May 23, 2009 | 2004 Saab 9-3

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