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Old 01-25-2018, 04:04 AM   #1
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Saab 9-5 2001 2.3 Turbo Heater Resistor

Hi All

Just wondering if anyone on here would have a guide talk me through checking the heat resistor for the blower motor - have stripped it out the car, so just want to see if this can be refurbished/repaired if its faulty.

Ian
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Old 01-25-2018, 07:13 AM   #2
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You are in a different market so I'm not sure what was standard there. I think all US spec cars had automatic climate control (ACC) so the fan speed was controlled by a fan speed controller (probably did PWM) and I don't think they had resistors to change the fan speed.

Do you have ACC?
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Old 01-25-2018, 07:38 AM   #3
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You are in a different market so I'm not sure what was standard there. I think all US spec cars had automatic climate control (ACC) so the fan speed was controlled by a fan speed controller (probably did PWM) and I don't think they had resistors to change the fan speed.

Do you have ACC?
Pretty Sure it does, If by ACC you mean hitting auto on the panel then yeah it does. It has the heater resistor that is connected to the blower in the scuttle panel, I am hoping it is this if not no idea.
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Old 01-25-2018, 06:36 PM   #4
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Does the controller look like this?

https://www.ebay.com/i/332167749998?chn=ps

If it does, then you have what Tboy described and there is no "resistor pack", it uses a speed control module that's in the right hand foot well against the center tunnel (on left hand drive cars anyway, it may or may not be the same).
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Last edited by Trionic3000; 01-25-2018 at 07:47 PM.
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Old 01-26-2018, 02:50 PM   #5
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Originally Posted by Trionic3000 View Post
Does the controller look like this?

https://www.ebay.com/i/332167749998?chn=ps

If it does, then you have what Tboy described and there is no "resistor pack", it uses a speed control module that's in the right hand foot well against the center tunnel (on left hand drive cars anyway, it may or may not be the same).
Yup that's the one, in RHD cars its in driver footwell next to clutch pedal - speed control module - we over the pond call it heat resistor (Or resistor at least lol) See below

SAAB 9-5 95 Heater Blower Motor Resistor Control Unit 1998 - 2004 4869327 USED | eBay
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Old 01-27-2018, 04:38 PM   #6
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Question, what is the issue if the controller goes?, I am having issues with the fan speed not reducing when it get hot in the car ( when its really cold out)
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Old 01-28-2018, 03:14 AM   #7
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Question, what is the issue if the controller goes?, I am having issues with the fan speed not reducing when it get hot in the car ( when its really cold out)
I think it can manifest itself in different guises - but with me it was NO blower at all, I swapped out for another one and hey presto - back into life it all came. Just need to replace the stepper motor now
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