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#31 | ||
Starter Motor
Join Date: Jul 2011
Posts: 6
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Bernie, ive sent you a pm
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#32 | ||
Regular Member
Join Date: Dec 2006
Posts: 62
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Thanks mcpants
Ive done what ausblue and mcPants suggested.. Great tips and pics.. Spent last 4 hrs replacing transistor, and swapping relays...bought new soldering iron. But same :( Anyone else have any luck? I spent all my cash on this car...cant afford to pay ford or auto lec Fan doesn't stop when I pull fuse or relays. Ive disconnected wires behind glovebox (brown plug) ps. mine is a AU LTD V8 |
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#33 | ||
FG XR6 Ute & Sedan
![]() Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,017
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Any chance you inserted the transistor the wrong way around? Did you use new mica or rubber isolation washers? Check with a multimeter that there is no continuity between the transistors casing and the finned controller casing.
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regards Blue |
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#34 | ||
Regular Member
Join Date: Dec 2006
Posts: 62
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I did watch the pins when I put it in, and put it in same way (pins closer to one side)
But no markings? so hard to tell? washers? I didn't see any? I took the old transsister to the auto lec to test...no word yet. ![]() |
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#35 | |||
FG XR6 Ute & Sedan
![]() Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,017
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Quote:
You need insulating washers and eyelets like this otherwise the transistor will short to the fan speed controller case and fail. : ![]() ![]() The eyelets are not labelled (they are the black items but the fit in the screw holes so the screws don't connect the case to the transistor. The isolating pad/washer can be mica or rubber and needs to be covered with heatsink paste so the heat but not electricity can move between the transistor and the finned case of the fan speed controller. Mica washers or isolating pad: ![]()
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regards Blue Last edited by aussiblue; 29-06-2013 at 01:03 PM. |
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#36 | ||
FG XR6 Ute & Sedan
![]() Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,017
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This may help http://www.youtube.com/watch?v=hNRacVQRgBc
and http://www.youtube.com/watch?v=nPpPWSrrxfM and for some theory: http://www.youtube.com/watch?v=8ruFVmxf0zs
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regards Blue Last edited by aussiblue; 29-06-2013 at 01:33 PM. |
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#37 | ||
FG XR6 Ute & Sedan
![]() Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,017
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Original link was http://www.fordforums.com.au/showthread.php?t=11395945
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regards Blue |
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#38 | ||
FG XR6 Ute & Sedan
![]() Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,017
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Note, that if didn't use the eyelets and insulating washer/pad you will have replicated the original failure when wet leaves short the TO-3 transistor to the case of the fan speed controller (or corrode its case) and killed your new transistor.
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regards Blue |
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#39 | ||
FG XR6 Ute & Sedan
![]() Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,017
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TO-3 Mounting kits are available from:
Altronics: http://www.altronics.com.au/index.as...=item&id=H7200 Jaycar: http://www.jaycar.com.au/productView.asp?ID=HP1172 Element14 (Farnell): http://au.element14.com/keystone/472...tor/dp/3299776 Futerlec http://www.futurlec.com/HeatAccess.shtml RS Components http://australia.rs-online.com/web/p...ories/0263239/ and http://australia.rs-online.com/web/p...ories/0298493/ and if you want to socket it: http://australia.rs-online.com/web/p...ories/1897912/ and heatsink paste to coat the pad: Altronics http://www.altronics.com.au/index.as...=item&id=H1600 Jaycar http://www.jaycar.com.au/productView.asp?ID=NM2010 etc
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regards Blue Last edited by aussiblue; 29-06-2013 at 02:02 PM. |
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#41 | ||
FG XR6 Ute & Sedan
![]() Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,017
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and there's always eBay
http://www.ebay.com.au/itm/10-Sets-M...item20d35aa065 http://www.ebay.com.au/itm/30g-Therm...item43bbc84643 etc
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regards Blue |
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#42 | ||
Regular Member
Join Date: Dec 2006
Posts: 62
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hey great work bluey
![]() il get wifey to leave LTD at home agin and il have another try.. I bought the transistor from jcar...so will go back and get other bits and try again. went to 2 auto lecs and big computer shop no one knows how to test transistor?? stay tuned...I might video it for the next poor Ford owners hahh Bernie |
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#43 | ||
Regular Member
Join Date: Dec 2006
Posts: 62
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checked the old transistor...
sure enough found the washers under the coating ![]() |
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#44 | ||
FG XR6 Ute & Sedan
![]() Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,017
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Most multimeters these days have a transistor testing function and the specs for most transistors are available online. i.e. in this case http://www.futurlec.com/Transistors/2N5686.shtml
http://www.onsemi.com/pub_link/Collateral/2N5684-D.PDF http://pdf.datasheetcatalog.com/data...emi/2n5685.pdf
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regards Blue Last edited by aussiblue; 01-07-2013 at 09:06 PM. |
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#45 | ||
Regular Member
Join Date: Dec 2006
Posts: 62
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#46 | ||
Regular Member
Join Date: Dec 2006
Posts: 62
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FIXED
![]() Thanks bluey and others.. Got the parts from jcar ($8) the insulators listed didn't fit, too small for the bolts? I changed the bolts to suit and whacked it back together .. woohoo...we have a heater again.. These forums are great ![]() |
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#47 | ||
Starter Motor
Join Date: Jun 2014
Posts: 2
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Awesome thread guys, just what the doctor ordered, followed aussieblue's instructions on a AU series 2 fixed the problem in about 2 hours, thankyou to all who have contributed info here, cheers
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#48 | |||
Starter Motor
Join Date: Oct 2010
Posts: 2
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Quote:
had the glove box out and cant find no silver metallic box to unscrew. I have an 03 BA falcon. any help would be much appreciated |
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#49 | ||
FG XR6 Ute & Sedan
![]() Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,017
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BA onward is different the fan speed controller is integrated into the HIM (HVAC Integrated Module).
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regards Blue |
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#50 | ||
Starter Motor
Join Date: Oct 2010
Posts: 2
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Damn. Thanks blue
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#51 | ||
FG XR6 Ute & Sedan
![]() Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,017
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See http://www.fordforums.com.au/showthr...56#post5302456
We now know there are two different types of fan speed controller; the more common (and more frequently failing ones) with the TO-3 Motorola transistor and seeming less common and less troublesome (no case in the vent to corrode) Bosch Blower Module ones. I suspect they are interchangeable but someone will have to trial test and see.
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#52 | ||
FG XR6 Ute & Sedan
![]() Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,017
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Also see http://www.fordforums.com.au/showthread.php?t=11433274 re the other small MJE 3055T transistor that also fails.
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regards Blue |
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#53 | |||
Starter Motor
Join Date: Jan 2013
Location: HunterValley, NSW, Australia
Posts: 6
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Quote:
Now I am not sure if I have the right part as the part I have seen is the same Silver box and it still gets screwed to the A/C duct work BUT there is no Transistor to worry about, so if thats the one then I can tell you that they are not interchangeable, YES all the Electrical connectors are the same as our one BUT when connected all I got was the Blower only working on H but it would turn off which was at least nice. I hope this helps and doesn't confuse anyone Thanks for All your help though AussieBlue. Regards Gordon |
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#54 | ||
Isn't it obvious?
![]() Join Date: Nov 2009
Location: in a world of idiots
Posts: 5,383
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Lovely
Just grabbed an ef monty wagon and the clinate just stays on at 19 degrees.....wbich is fine right now as its stinking hot. Ill g et to jaycar and get these parts before xmas
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08 Strike G6E T. 10 Ergo G6E Sept 75 XB Falcon in mushroom beige, 3 on the tree 200cid for sale, offers in the teens |
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#55 | |||
FG XR6 Ute & Sedan
![]() Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,017
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Quote:
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regards Blue |
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#56 | ||
Isn't it obvious?
![]() Join Date: Nov 2009
Location: in a world of idiots
Posts: 5,383
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Aussieblue
Ive removed the silver thing via the 3 screws Prised the tabs open and taken cover off Thers no transistor in side Two small circuit type boards. Its pretty clean In the photos on the prev page you can see the rusted silver cover because of the angle bracket on the bottom, but i have none of that stuff on top like in the photo...unless its all sitting inside the big black box on the right where the silver box inserts Damn thats a tight fit ?? 95 ef fairmont wags Any ideas? Would i need to replace the whole silver box bit?? Was the old stuck on 19 degrees no wipers radio power windows etc trick
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08 Strike G6E T. 10 Ergo G6E Sept 75 XB Falcon in mushroom beige, 3 on the tree 200cid for sale, offers in the teens |
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#57 | ||
FG XR6 Ute & Sedan
![]() Join Date: Oct 2006
Location: Bibra Lake WA
Posts: 23,017
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__________________
regards Blue |
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#58 | ||
Starter Motor
Join Date: Dec 2016
Posts: 1
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Thanks to everyone above for helping me solve my problem
My fan was either on high or low, none of the manual settings in between would work After finding the fan speed control box I removed then replaced only for the fan to work at all times on high even with no key inserted Found this thread and went to Jaycar. I bought 2 transistors and a pack of insulators for $9 I found it best to unsolder all 3 wires including earth to the bolt for fitment Using both the insulator gasket and heat sink paste I bolted the transistor to the housing. Then soldered the 3 wires back to their terminals I now have the full manual range of fan speeds on my climate control for the first time since buying my car Ford forums is awesome Thanks everyone again Black 92 EBII Fairmont Ghia 5.0 full Tickford optioned |
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#59 | ||
Starter Motor
Join Date: Apr 2017
Posts: 1
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2000 AU2 Fairmont. hi guys i have a almost a same problem . my fan for my ac/ heater wont turn off and is stuck on high speed but will turn off with the key off . now after reading alot of pages of stuff on the net i found out how to unplug it so its not going all the time and that i there is a controller behind the glove box so i pulled the unit out and took it auto sparky for to have a look at it and test it they sent it to Melbourne to be repaired $528 later thinking that was the problem plug it back in and still the same . not sure what to do now has anyone had this problem and know whats going on ..... thanks Glen
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#60 | ||
Starter Motor
Join Date: Aug 2013
Posts: 2
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1991 EB Fairmont.
My problem is similar to glennrachridd. I put a new Transistor into the Fan Controller - No good, still the same problem. I replaced the Climate Control Unit (CCU)- still no good! WTF is going on?? Is it possible that The Fan Controller is 'stuffed' - Not the Transistor?? ![]() |
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