Blower Motor Resistor [Archive] - SaabCentral Forums

: Blower Motor Resistor


Elmo91
15-01-03, 07:13 PM
I have the climate controle with the 3 knobs, not the auto. My fan will only work on high so im guessing that the fault is the blower motor resistor. Ive been looking all over for the resistor behind the false bulkhead with no luck :x

Any help on finding this would be greatly appreciated :wink:

Thanks,
Trey

cdcarlsson
20-01-03, 05:18 PM
It's plugged into the fan housing (black plastic) in the centre of the windscreen. This is underneath the black plastic cover at the base of the windscreen. The resistor pack is usually white in colour (color?!). Pull off the wiring harness and extract the resistor pack from the side of the fan housing. The faulty component is the thermal fuse which is only a few pence (cents?) to purchase. For obvious reasons do not solder in place, but rather crimp it or use screw terminals to secure the new thermal fuse in place.

Hope this helps.

Elmo91
01-02-03, 09:11 PM
I think I found it! Does it looke like a wiring harness that goes in to the fan motor housing?

And about this "thermal fuse". Can i get this from an autoparts store or do I have to go through SAAB?

Thabks for the info.

Trey

cdcarlsson
02-02-03, 04:42 PM
Sounds like you may have found it....

The thermal fuse can be found at electronic parts stores, it's fairly specialist, but cheap!!! Try mail order or the internet for suppliers.

johncc
06-02-03, 08:37 AM
I just fixed mine yesterday! I bought mine from a mail order component supplier for about a dollar. Apparently the temp value crept up over the years from about 110C to about 185C so I went by what they had in stock (160C or thereabouts).

Many people say you can't solder them, but you can. You just need to be careful and use a heatsink. (Order a couple just in case).

The resistor wire is "Nichrome" and won't take solder, so I crimped a little tag onto it and tinned it. The I clipped the other leg of the old fuse and left about 1/2" on it to solder to. I tinned this too.

Then I used a small pair of pliers with a rubber band around the handle to clip to the fuse lead while soldering to take the heat away. These should be as far away from the fuse body as possible. And solder as fast as you can! If you need to have a second go, let it cool down first.

Worked for me!

Elmo91
06-02-03, 09:55 AM
I had been wondering what the fuse value was. Thank you. I work for a company that makes an instrument to detect galucoma, so ill see if I can get a freeby from materials.

Thanks for the soldering tips.

cdcarlsson
06-02-03, 05:15 PM
I would still say it should be attached using small screw terminals as you may weaken the fuse without rupturing it.
The original Saab part is crimped into place and that is how I have repaired some myself, having the correct equipment. However the screw terminals from within 'chocolate bloc' connectors do the job well and are easy to come by.

johncc
07-02-03, 12:02 PM
You could be right there CDCarlsson. I tried various crimp methods and none worked for, but I didn't consider screw terminals! I got a spare like I said, and it's easy enough to get to, so it will be intriguing to see how long this one lasts.

Paul
02-04-03, 07:19 AM
You could be right there CDCarlsson. I tried various crimp methods and none worked for, but I didn't consider screw terminals! I got a spare like I said, and it's easy enough to get to, so it will be intriguing to see how long this one lasts.

John - I don't suppose you have the part number and details of where I can get this part? I take it that for the earlier 9000 with the climate control with the 3 dials (as opposed to the later ones) that it is not the Transistor I need that is written about on the quasimotors site?

Also any further info about the 'small screw terminals' I can use would be useful. I have no experience of working with small electronic componants!!