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I Supported Toymods
Location:
melbourne.vic.au
Registered:
May 2002
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Internal Fan blower doen't work on LOW!
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Mon, 02 June 2003 16:06
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Hey All,
My MA61 fan speed doesn't run on low yet is able to be used on medium and High. The car can use Auto but i don't have the first fan spead avaliable taht i don't need a gale blowing in the car. I just want a small breze. Can anyone help?
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Location:
Gold Coast
Registered:
January 2003
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Re: Internal Fan blower doen't work on LOW!
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Mon, 02 June 2003 20:40
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no doubt it will be a bad fan speed resistor. Will be under or behind the glove box
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I supported Toymods
Banned User
Location:
Brisbane
Registered:
May 2002
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Re: Internal Fan blower doen't work on LOW!
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Mon, 02 June 2003 21:03
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It has to be a bad earth, it just has to be 
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I Supported Toymods
Location:
melbourne.vic.au
Registered:
May 2002
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Re: Internal Fan blower doen't work on LOW!
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Mon, 02 June 2003 22:58
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What does the resistor look like? I haven't got any idea what it looks like.
Cheers.
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Location:
Brisbane
Registered:
May 2002
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Re: Internal Fan blower doen't work on LOW!
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Mon, 02 June 2003 23:06
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| BansheeBuzz wrote on Tue, 03 June 2003 06:40 |
no doubt it will be a bad fan speed resistor. Will be under or behind the glove box
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Spot on
older Nissans are notorious for it
I think you should be able to trace the wire back from the console to around the glovebox area as mentioned by BansheeBuzz
Makes a hell of a lot of difference being able to use your fan on low 
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Location:
Montrose, VIC
Registered:
May 2002
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Re: Internal Fan blower doen't work on LOW!
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Mon, 02 June 2003 23:41
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I THINK the resistor on those is mounted in the fan body, or at least somewhere in the air path - reef out the glovebox, it'll be easy to spot.
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Location:
Brisbane
Registered:
May 2002
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Location:
Madrid - Spain
Registered:
August 2002
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Re: Internal Fan blower doen't work on LOW!
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Tue, 03 June 2003 02:20
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Welcome to the world of old Toyotas. I think most of them were stuffed from new.
Any one know if you can get new ones from Toyota?
What does it actually do? I have never been too concerned about it but it would be nice to fix it. I just rebuilt the heater in my car a couple of weeks ago, saw the resister and left it thinking it was part of the aircon system. (I don't have aircon)
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I Supported Toymods
Location:
melbourne.vic.au
Registered:
May 2002
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Re: Internal Fan blower doen't work on LOW!
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Tue, 03 June 2003 03:43
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What am i looking for? i have the glove box out but i can't see where it is or where to start.
Cheers...
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Location:
Terrigal
Registered:
May 2002
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Re: Internal Fan blower doen't work on LOW!
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Tue, 03 June 2003 03:58
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Anthony, where are these in the RAs? Low doesn't work on mine either, might pull out the resistor and see if I can get another.
Cheers
Joel
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Location:
Madrid - Spain
Registered:
August 2002
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Re: Internal Fan blower doen't work on LOW!
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Tue, 03 June 2003 04:13
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If I am barking up the right tree, have a look on the heater box (not the fan motor, the bit above the tunnel) and you will see a 2 pin plug going into the side of it. Inside the box, it hooks up to a pretty crusty looking bit of fuse wire that is corroded, bent and more than likely long since dissapeared.
I thought it was part of the aircon when I saw it. I did actually try and get the heater working on low and checked the switch, thinking that that was the problem. It checked out OK, so I just assumed that the motor had had the rat.
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Location:
Brisbane
Registered:
May 2002
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Re: Internal Fan blower doen't work on LOW!
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Tue, 03 June 2003 05:23
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| ZZT231 wrote on Tue, 03 June 2003 13:43 |
What am i looking for? i have the glove box out but i can't see where it is or where to start.
Cheers...
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Chances are that you don't even need the glove box out!
Search just above floor level! You will most likely have to remove one plastic "panel" if thats the word for it that sits above the passengers feet when they are in there.
Then it should have a plug going into it (can remember but I thought it had 4 wires going into off the top of my head). It should be screwed (2 screws) into the box so all you can see if a black thing with plug. Be kinda careful when taking it out as the coils of wire that act as resistors are exposed.
If you still can find it let me know and take a pic of where mine is, actually in a month or two I might take some photos and write an article if they will chuck it in the the article section.
Cheers
Wilbo
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I Supported Toymods
Location:
melbourne.vic.au
Registered:
May 2002
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Re: Internal Fan blower doen't work on LOW!
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Tue, 03 June 2003 08:30
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| wilbo666 wrote on Tue, 03 June 2003 15:23 |
| ZZT231 wrote on Tue, 03 June 2003 13:43 |
What am i looking for? i have the glove box out but i can't see where it is or where to start.
Cheers...
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Chances are that you don't even need the glove box out!
Search just above floor level! You will most likely have to remove one plastic "panel" if thats the word for it that sits above the passengers feet when they are in there.
Then it should have a plug going into it (can remember but I thought it had 4 wires going into off the top of my head). It should be screwed (2 screws) into the box so all you can see if a black thing with plug. Be kinda careful when taking it out as the coils of wire that act as resistors are exposed.
If you still can find it let me know and take a pic of where mine is, actually in a month or two I might take some photos and write an article if they will chuck it in the the article section.
Cheers
Wilbo
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I got leads and crap going everywhere so i don't know what to look for... 
Its dark now and i am at work tomorrow after uni. I'll try and work on it Friday... but still. I don't know what to look for...
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I Supported Toymods
Location:
melbourne.vic.au
Registered:
May 2002
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Re: Internal Fan blower doen't work on LOW!
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Wed, 04 June 2003 02:24
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I found the resistor!
I pulled it out and put it back in thinking it is part of the heater 
Thanks for your help...
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Location:
Epping, Sydney
Registered:
April 2003
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Re: Internal Fan blower doen't work on LOW!
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Wed, 04 June 2003 06:18
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So does it work now ZZ? My fan doesn't work on Low either, and it bugs the crap out of me.... and then I took my Grandfather's 89 Camery s/wagon for a drive and his doesn't work on low either!
So I will have a look for this resistor you are talking about and see if I can fix it, but I really don't know what I am looking for exactly. If anyone wants to stick some photos up I would be very grateful, or you can show me on Friday if you are coming.
Rob
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Location:
Brisbane
Registered:
February 2003
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Re: Internal Fan blower doen't work on LOW!
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Wed, 04 June 2003 11:23
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any resistor will do all a resister is a unit which controls the amount current being flowed through the circuit you can pick up replacement ones at auto stores or even tandy and dick smith as long as u get the connections right
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I Supported Toymods
Location:
melbourne.vic.au
Registered:
May 2002
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Re: Internal Fan blower doen't work on LOW!
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Wed, 04 June 2003 16:07
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| RobST162 wrote on Wed, 04 June 2003 16:18 |
So does it work now ZZ? ...
So I will have a look for this resistor you are talking about and see if I can fix it, but I really don't know what I am looking for exactly..
Rob
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To put it in simple terms. I couldn't get it fixed. The coil is made of tungston and cannot be soldered by a soldering iron. I have to now go and either find a second hand one or buy a new one... It is snapped on one of the coils. If anyone is in Melbourne and is happy to help me please drop a line
Anyway. It's on the blower side of the box and not mounted on the heater... there is a 2 screws that are holding it in place. it's no bigger then a matchbox when looking at it from behind... though the resisitors are around a matchbox in length in the box. Look for 4 wires. to help if you have a electric wiring diagram, look for the blower resistor and all the wires that come out. note it down and search of it. usually it is mounted in front of you...
I have not decided to buy a new one or swap it over with my SA63...
Hope that helps.
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Location:
Madrid - Spain
Registered:
August 2002
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Re: Internal Fan blower doen't work on LOW!
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Wed, 04 June 2003 23:22
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So I guess that this resister is measuring either air temperature or air speed and adjusting the fan speed accordingly. That means that if you just substitute a fixed resister, then the fan speed will remain constant.
If anyone with a working low speed fan can confirm that the fan changes speed with temperature that might clear things up.
It is obviously there for a reason. I am guessing and this really is a guess, that it is there to prevent some of the heater components from getting too hot. That is, when the temp is high around the heater core, it speeds up the fan motor, increasing airflow. A bit of a safety mechanism if you like.
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Toymods Social Secretary
Location:
Sydney
Registered:
July 2002
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Re: Internal Fan blower doen't work on LOW!
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Thu, 05 June 2003 00:13
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they are just open, wire wound resistors - simple as that. And since they dissipate a fair amount of heat, they are best placed inside the heater box so that they dont pose a potential hazard to burns, fires etc. There is no problems with replacing them with a suitable ceramic coated wire wound resitor available from Jaycar etc.
Toyota has been using this same method of fan speed control since the 60's.. right into the 90's! Thats why you find the same problem on all these differing models.
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Location:
Madrid - Spain
Registered:
August 2002
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Re: Internal Fan blower doen't work on LOW!
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Thu, 05 June 2003 00:25
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Or as Witzl said it is just a cheap crappy resister. In which case my argument is null and void. It sounded good though 
I might have to measure the resistance of my damaged one and come shopping at Jaycar hey Witzl
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Location:
Brisbane
Registered:
May 2002
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Re: Internal Fan blower doen't work on LOW!
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Thu, 05 June 2003 01:19
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Hey ZZ don't go throwing in the towel like that buddy!
Mine had the two coils "split" or not connected as well, how I managed to fix mine was to remove most of the oxidation carefully (I think I scraped mine off with a pocket knife?) and then get a small piece of multi strand wire. With the wire I made a little loop around the two ends of the resistor / wire that had broken and tightened it (I think I used some really small pliers) so that the coils were touching again. Then I went and soldered the wire that was looped around connecting the two broken coils to make sure there was a connection!
(At this stage it is a good idea to check with a multimeter to see that you actually do have continuity, if not try starting again  ).
Then I went and covered the area in super glue so that wouldn't vibrate apart.
Problem solved!
Cheers
Wilbo
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Location:
Madrid - Spain
Registered:
August 2002
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Re: Internal Fan blower doen't work on LOW!
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Thu, 05 June 2003 01:24
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Has anyone actually spoken with Toyota to see if these things can be replaced. The whole idea of repairing a busted fuse seems a bit silly.
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Location:
Brisbane
Registered:
May 2002
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Re: Internal Fan blower doen't work on LOW!
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Thu, 05 June 2003 02:40
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Its not really a fuse dude.
And really its almost free to fix it if you have any sort of soldering skills (And I mean really basic), why would you bother replacing it? If you look at the design there is no real reason that you shouldn't repair it (either by my soldering technique or a ceramic resistor as Witzl said) , in my opinion .
Cheers
Wilbo
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I Supported Toymods
Location:
melbourne.vic.au
Registered:
May 2002
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Re: Internal Fan blower doen't work on LOW!
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Tue, 10 June 2003 06:10
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| wilbo666 wrote on Tue, 03 June 2003 15:23 |
Chances are that you don't even need the glove box out!
Search just above floor level! You will most likely have to remove one plastic "panel" if thats the word for it that sits above the passengers feet when they are in there...
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Here is pictures of my MA61 Dash! (Similar for xA6x Dash)
 
I did have to remove my glovebox to get acess to the blower resistor...
Cheers.
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I Supported Toymods
Location:
melbourne.vic.au
Registered:
May 2002
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Re: Internal Fan blower doen't work on LOW!
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Tue, 10 June 2003 06:12
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PS. Still looking for the blower resistor...
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I supported Toymods
Location:
I renounced punctuation
Registered:
May 2002
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Re: Internal Fan blower doen't work on LOW!
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Tue, 10 June 2003 07:05
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Just get a resistor of the correct resistance that can handle a large current from Dick Smith or Tandy. Radio Parts might be near you on Princes Hwy (near Chaddy).
You have my number (PM/email me if you haven't). If you can be bothered coming all the way out to my place, I'll fix it for you.
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I Supported Toymods
Location:
melbourne.vic.au
Registered:
May 2002
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Re: Internal Fan blower doen't work on LOW!
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Tue, 10 June 2003 07:14
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GT: You have mail.
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Location:
Madrid - Spain
Registered:
August 2002
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Re: Internal Fan blower doen't work on LOW!
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Wed, 19 May 2004 22:41
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Sorry to drag this one back to light, but does anyone know what the resistance of these is?
Now that I am using the heater again, I want it fixed. My trip to work looks a little like this
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Location:
Bottom of the hill, Sydney
Registered:
April 2004
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Re: Internal Fan blower doen't work on LOW!
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Thu, 20 May 2004 10:41
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| gold28 wrote on Thu, 20 May 2004 08:41 |
Sorry to drag this one back to light, but does anyone know what the resistance of these is?
Now that I am using the heater again, I want it fixed. My trip to work looks a little like this
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You dont need to use a set resistance. You can try any size resistor and see if you're happy with the speed.
The way the fan speed resistor normally works is by putting different resistance values inline with the power supply to the fan motor. The higher the resistance, the slower the fan will spin. For high speed you simply use no resistance(ie straight power to the fan motor).
By the way, have you priced a new one from toyota?
You might be suprised
Brad
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Location:
Brisbane
Registered:
June 2003
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Re: Internal Fan blower doen't work on LOW!
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Thu, 20 May 2004 10:45
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my ma70 does the same thing!
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Location:
Sydney
Registered:
January 2004
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Registered:
August 2002
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Re: Internal Fan blower doen't work on LOW!
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Thu, 20 May 2004 12:31
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There are a few different coiled wires that are attached to a block that makes up the blower resistor. Basically replace each one with the corresponding length and diameter of wire to achieve the correct resistance.
oooooooor you could try and weld up the broken wires.........but from all accounts the wires dont like that.
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Location:
Brisbane
Registered:
May 2002
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Re: Internal Fan blower doen't work on LOW!
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Thu, 20 May 2004 14:01
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| BlackSupra wrote on Thu, 20 May 2004 22:31 |
oooooooor you could try and weld up the broken wires.........but from all accounts the wires dont like that.
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It can be done (I have done it).
Ohterwise if you want to know the resistance take the resistor block out and measure the remaining ones and choose a higher resistor (not sure on the wattage required, but I'm guessing it will be up there) that the highest already there, and that should give you a lower speed...
(i wrote a dodgey tech article of sorts regarding how I repaired mine for ed, but he never got around to hosting it to my knowledge...)
Cheers
Wilbo
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Location:
Lost in the K hole
Registered:
May 2002
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Re: Internal Fan blower doen't work on LOW!
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Thu, 20 May 2004 14:03
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i still have it!!
i have no webspace!
i have like 20 articles on my hdd 
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Location:
Brisbane
Registered:
May 2002
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Re: Internal Fan blower doen't work on LOW!
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Thu, 20 May 2004 14:15
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boo for ed lol, someone give him some webspace!
(and someone give me a 7m )
Cheers
Wilbo
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: Internal Fan blower doen't work on LOW!
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Wed, 16 March 2005 10:37
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Okay, I'm trying to rectify all my wiring issues while my dash is in pieces. Where exactly did it end up being?
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I Supported Toymods
Location:
melbourne.vic.au
Registered:
May 2002
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Re: Internal Fan blower doen't work on LOW!
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Wed, 16 March 2005 11:06
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The blower resistor... It's most probabily been the case. I have had AUTO, low, medium & high fan speeds work after I fixed it... My dad pointed it out to me ... And no... My parts department could not locate one for me as they got me a Celica one and not one for the Celica-Supra.
Cheers.
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Registered:
August 2002
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Re: Internal Fan blower doen't work on LOW!
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Wed, 16 March 2005 11:25
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it screws into the air con assembly with 2 screws directly behind the glovebox.
i actually removed a perfect one from a wreck when i was out at a wrecker a few weeks ago.......and i must of left it on the seat and forgot to take it with me!
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: Internal Fan blower doen't work on LOW!
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Wed, 16 March 2005 13:42
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Okay, must have been on the middle blanking section I had when I first bought the car. I'll plug it in and check it out, cheers.
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. Looks a bit of trouble to fix it though. Has 3 other speed settings I think.