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Eddy1976



Member Since: 26 Jun 2012
Location: S Wales
Posts: 3
Wales 2007 Defender 90 Puma 2.4 XS CSW Santorini Black
2007 Defender Blower Switch
Hi All,

I am a newbie to this forum and was hoping someone may be able to help me with a problem on my defender. The internal heater / blower has slowly stopped working on the various speeds and now fails to work at all! I have just taken out the slide switch and checking it with a multimeter it is dead - I can get the blower to work on all speeds by shorting the contacts with a bit of wire in the terminal block. I am going to try and source a new blower switch and hope this sorts the problem but was wondering whether anyone has had this happen (my thinking is that there must be something to make the switch fail - it is a bit melted along the copper switch, obviously this is what is stopping the contacts from making).

The other thing is does anyone know where I can get a new switch? I have spoke with my local land rover dealer and that did not get very far! I am hoping to just but the switch rather than a whole panel of some sort. The switch is by Magneti Marelli and has the numbers / details 1.580.415.0.0 - 719.00 - 12v - B837 on it.

Any help would be greatly appreciated.

Cheers

Ed.
Post #152075 26th Jun 2012 9:02pm
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diesel_jim



Member Since: 13 Oct 2008
Location: hiding
Posts: 6188
United Kingdom 2006 Defender 110 Td5 SW Epsom Green
Knowing LR, that switch is probably used on mid 90's Rover cars, so a hunt around a scrappy will probably turn one up cheap.
Post #152076 26th Jun 2012 9:04pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20851
United Kingdom 
Contact Shukers parts they have a part request on their site. You will normally get a reply from a chap called Neil I needed a heater re-circ cable and he sorted that for me. The prices are better than expected too!!
Good luck Thumbs Up
You could also phone of course. Thumbs Up _\Hennessey|Venom| F5/___
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Post #152077 26th Jun 2012 9:04pm
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K9F



Member Since: 12 Nov 2009
Location: Bournemouth
Posts: 9610
United Kingdom 2008 Defender 90 Puma 2.4 XS CSW Stornoway Grey
Ed welcome to the madhouse! Shocked

Take your pick! Thumbs Up

http://www.dingocroft.co.uk/acatalog/Electrical_Miscellany.html

http://www.reedx.net/landrover/mods/2002dash/part5/index.htm

http://britishparts.co.uk/ If you go through life with your head in the sand....all people will see is an ar5e!!

Treat every day as if it is your last....one day you will be right!!
Post #152082 26th Jun 2012 9:11pm
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Eddy1976



Member Since: 26 Jun 2012
Location: S Wales
Posts: 3
Wales 2007 Defender 90 Puma 2.4 XS CSW Santorini Black
Thanks Guys you have provided me some direction for my search!!

Ed.
Post #152129 27th Jun 2012 6:15am
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diesel_jim



Member Since: 13 Oct 2008
Location: hiding
Posts: 6188
United Kingdom 2006 Defender 110 Td5 SW Epsom Green
Looking at my microcat the heater switch is part #JFC500840 and �88.10 (last months price)


edit: that might just be the "control" panel that adjusts windscreen to feet and temparature, not the actual fan switch.... will keep looking!
Post #152132 27th Jun 2012 7:21am
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Eddy1976



Member Since: 26 Jun 2012
Location: S Wales
Posts: 3
Wales 2007 Defender 90 Puma 2.4 XS CSW Santorini Black
All done Very Happy ..

Contacted shukers and they (Neil) were spot on - had to but the whole heater panel but Neil gave me a good deal and had it delivered the next day.

Steve - Thanks for the tip.

Thanks all for your advice.

Ed
Post #152762 29th Jun 2012 7:02pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20851
United Kingdom 
Eddy1976 wrote:
All done Very Happy ..

Contacted shukers and they (Neil) were spot on - had to but the whole heater panel but Neil gave me a good deal and had it delivered the next day.

Steve - Thanks for the tip.

Thanks all for your advice.

Ed

Your more than welcome. Glad your now sorted. Thumbs Up

Steve _\Hennessey|Venom| F5/___
___\⭐️Lone|Star|State/___
____\We|Will|Win/___
____/🇬🇧🇺🇸\____
_//*⛽️🛢️⚙️🧰*\\_
Post #152775 29th Jun 2012 7:34pm
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T1G UP



Member Since: 08 Dec 2009
Location: Bath
Posts: 3101
England 2011 Defender 110 Puma 2.4 XS CSW Orkney Grey
any clever sparks out there that could make a switch that was like on a slider so you could have half speed or any speed as mines a little noisy on 1?
Post #152790 29th Jun 2012 8:48pm
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K9F



Member Since: 12 Nov 2009
Location: Bournemouth
Posts: 9610
United Kingdom 2008 Defender 90 Puma 2.4 XS CSW Stornoway Grey
Rotary or linear potentiometer switch is what you need rather than a switch that has fixed resistor values at each position.

http://www.potentiometer.com/ If you go through life with your head in the sand....all people will see is an ar5e!!

Treat every day as if it is your last....one day you will be right!!
Post #152845 30th Jun 2012 10:18am
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T1G UP



Member Since: 08 Dec 2009
Location: Bath
Posts: 3101
England 2011 Defender 110 Puma 2.4 XS CSW Orkney Grey
K9F wrote:
Rotary or linear potentiometer switch is what you need rather than a switch that has fixed resistor values at each position.

http://www.potentiometer.com/
would love it to relace the original switch and look stock? so i guess a linear potentiometer?

can you pick one out K9? i don't know what i'm looking at
Post #152944 30th Jun 2012 10:20pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17793
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
diesel_jim wrote:
Looking at my microcat the heater switch is part #JFC500840 and �88.10 (last months price)



My switch had just jammed in position 3, so I looked up the price of this now. It's gone up by approx 500% since the quoted post, 18 months ago, and now costs a staggering �433 ! Shocked Big Cry

I don't suppose anyone has a broken take-out I can have to break for parts? I only need the fan switch.
Post #292392 22nd Dec 2013 12:34pm
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william8



Member Since: 03 Apr 2013
Location: Motherwell
Posts: 259
Scotland 2008 Defender 90 Puma 2.4 XS CSW Zambezi Silver
I removed mine when it was stuck on position 1 and with a stanley cut the plastic that was melted away. A wee bit of emery paper and some contact grease and its been fine ever since. Beats me how they melt though. William
Post #292412 22nd Dec 2013 3:13pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17793
United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Sorted! The top centre bulb had melted the edge of the slider and caused it to deform and catch one of the guides. Stanley knife to the rescue, now works better than ever before.

That top bulb actually touches the slider, and it looks as though mine was starting to fail and had got brighter, therefore hotter. I have decided to omit the bulb in that position (which isn't really needed) to prevent a recurrence.

Only a Defender could include design of such brilliance that a faulty 16p bulb can knacker a part which costs �431!
Post #292575 22nd Dec 2013 11:40pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20851
United Kingdom 
Those bulbs are a pain! I've often wondered if there are some (non directional!) modern LED alternatives that display just as good.
I'd give it a go anyway if the dash wasn't such a pain o mess around with. _\Hennessey|Venom| F5/___
___\⭐️Lone|Star|State/___
____\We|Will|Win/___
____/🇬🇧🇺🇸\____
_//*⛽️🛢️⚙️🧰*\\_
Post #292578 22nd Dec 2013 11:46pm
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