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Webasto TC3 GSM and Discovery 3 TT-V Fully Compatible !
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Daniel75
 


Member Since: 28 Feb 2018
Location: Larkhall
Posts: 1

United Kingdom 2006 Discovery 3 TDV6 HSE Manual Buckingham BlueDiscovery 3

Hi everyone,
since a few weeks now I am the proud owner of a 2006 Disco 3 Very Happy. I have sourced a Thermo Call TC3 unit from Germany that finally arrived today after some delay due to extreme weather Big Cry.



I have spent some time reading on this forum and elsewhere about fitting a remote or timer to control my FBH and have the following question:

Where on the TC3 do I connect the cable that goes to Pin 2 on the FBH control plug?

Hope that you can help me so that I can fit this during the next weekend...
  
Post #19231286th Mar 2018 4:30 pm
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denjohannes
 


Member Since: 08 Aug 2017
Location: 54456 Tawern
Posts: 8

Germany 2007 Discovery 3 TDV6 HSE Auto Santorini BlackDiscovery 3

Hi,

do I understand right for the TC3 :

Pin 1 (10-30v + in) to Battery plus
Pin 2 (GND) to Battery minus
Pin 6 (W-Bus) to Pin 2 of the Webasto unit

The picture https://www.disco3.co.uk/gallery/albums/us...e~149.jpeg shows it nicely . unfortunately I can not see where the green connector is going to , blue goes to 6 , red goes to 1 , but the green one ? I assume its 2 , correct?

That´s all ? Is this correct ?

THX Smile

J
 ... nur tote fische schwimmen mit dem strom ... 

Last edited by denjohannes on 6th Dec 2018 10:34 pm. Edited 1 time in total 
Post #20066526th Dec 2018 8:58 pm
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trailhound
 


Member Since: 27 Aug 2015
Location: Colchester
Posts: 697

United Kingdom 2006 Discovery 3 TDV6 HSE Auto Bonatti GreyDiscovery 3

Looks like good value if it works
https://rover.ebay.com/rover/0/0/0?mpre=ht...1482033015
  
Post #20066756th Dec 2018 10:18 pm
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denjohannes
 


Member Since: 08 Aug 2017
Location: 54456 Tawern
Posts: 8

Germany 2007 Discovery 3 TDV6 HSE Auto Santorini BlackDiscovery 3

Just for those who still struggle as I (noob) did :

TC3 ("D" series)


Pin 1 to battery plus (red cable)
Pin 5 to battery minus (brown cable)
Pin 6 to Bus input ( input 2 in the 8 wire socket in the heater) - check the wiki how to connect the plug and the socket

App:

-no external temp sensor used - app on "internal sensor"

-make sure to only use the last 7 digits of your phone number for installing - I had an error because of using the complete one

- it works - just sends me the message "unknown error" to the phone - but works . will see how to get this sorted . Tomorrow i will built it in properly incl. the red light button which I will bring to some place in the inside,,,
 ... nur tote fische schwimmen mit dem strom ...  
Post #201293027th Dec 2018 7:49 pm
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OllieZuerich
 


Member Since: 15 Dec 2023
Location: Tallinn
Posts: 3

Estonia 2007 Discovery 3 TDV6 HSE Auto Lugano TealDiscovery 3

Hi, it has been many years since the last post in this thread.

I have not found any step-by-step TC3/4 installation guide for D3 from anywhere which is a pity.

It would have been nice if someone actually wrote it up here.

I have been offered a TC4 for my D3. I have read the TC4 manual and surprisingly it does not actually describe the whole installation process.

The manual does say that the GSM module needs to be installed inside the cabin. So how have you solved it?

Also, why connecting it directly to the battery, when Altox at the same time gets installed behind the cabin headlight switch, wires connecting to a ground wire and to a always on 12V wire.

Any thoughts would be appreciated!
  
Post #235616917th Dec 2023 5:16 pm
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DISCO3WINE
 


Member Since: 28 Jul 2019
Location: MORAVIA
Posts: 3

Czech Republic 2006 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Thanks for the good inspiration Thumbs Up
 D3+D4  
Post #236032229th Jan 2024 9:10 pm
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