2003 saab 93 -manuall-diesal 2.2- blower heater motor stays on .even with the keys out of the car ....not the relay for the blower motor (replaced the fuse box next to battery and all the relays out of a running car)...or the resistor on the fan--the power coming to the motor is always on.please help-also the radio and top display does not come on-car sometimes alot lately-wont turnover,when it does its fine..if i switch car off,it does not start,,,should some genius out there no the answers to the question --please help---
2003 saab 9-3. my radio and top display comes on in car now and again,when it goes of the noise of my indicators goes off,when radio is working everything is fine.could someone help me with this.many thanks
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Could be one of blower motor relays contacts stuck closed . There are two blower motor relays 1 & 2 . One is located in the under hood fuse/relay box .
Or if your explore has automatic HVAC , it could be the front blower motor speed controller , this have been known to do this .
Which HVAC does your explorer have , manual or electronic automatic control.
OK, first open the relay box that is next to the batt, then remove the yellow relay(pos# 3 from driver to bumper)(theres two yellow relays) then with a little piece of wire plug it in the horizontal slot and then in the vertical one that is right on from of it for 1 to 3 seconds into the car star. Make sure the key is in on position and Ebrake is on, if auto trans, put in Park, if Manual trans, put in Neutral, because you will jump the starter motor relay, and the engine will spin as soon as you plug in the wire.
You definitely have a short somewhere in the circuit. I dont know if its in the air speed control knob, the fan motor, the key switch, or a relay somewhere. If the fan kept blowing even after you removed the fuse, my first guess would be somewhere under the hood in a relay, or the key switch. Because everything usually turns off when you turn off the ignition key. But I am no Saab expert and electrical issues are a real pain, no matter what the make of car. I have had that problem with a car before and ended up, putting a on/off switch in the blower motor power wire and just turned it off and on that way when I needed it. Not really the true solution, but it worked for my 25 year old car at the time. Good Luck!
Hello! Coil of Heater Relay is supplied through Fuse "IG1 2" (10A)...Located in the Drivers Side Box...Contacts of Relay are supplied through "Heater Fuse (50A)...Located in Engine Relay Box...Blower Motor has a 2 wire connector with wire colors: Black/Yellow (Pin 2)...And White/Blue (Pin 1)...Pin 1=Ground and Pin 2=Battery when Relay pulls and contacts close... The Blower Resistor Pack (Which fails often) controls the fan speed...BUT, there is a fuse inside the assembly...If it blows = No Fan...Located on the top of the heater/AC box and can be accessed through the Glove Compartment...Guru...Saailer
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.