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chinnus



Member Since: 24 Aug 2012
Location: UK
Posts: 119
2001 Defender 90 Td5 ST Coniston Green
Webasto thermo top c
Evening all, I’m about to install a thermo top c into the defender !

I wonder if anyone has solved the problems below…

When splicing in the relay to operate the heater fan can you use my aux battery rather than the main engine battery? Has anyone done this?

What happens if you turn on the main heater controls fan whilst the webasto is powering the heater fan ? Presumably this would end badly?

Do people have the fan operate from cold or does it kick in the relay once the webasto has reached operating temperature ?

I hope this is clear ! Thanks in advance for the comments
Post #1021229 14th Jan 2024 10:53pm
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4RF RDS



Member Since: 19 Jul 2015
Location: Ottawa
Posts: 899
Canada 2000 Defender 110 Td5 XS CSW Epsom Green
Do you have the Td5 install manual from Webasto? It has all this info in it? 2010 Range Rover MkIII Autobiography Super Charged (Idris)
2003 Range Rover Mk III (Desmond FitzWilliam)
2000 Defender 110 CSW TD5 (CTX)
1992 Range Rover Classic (Lizzy)
1972 Series III 300 Tdi (Stanwood)
1967 MGB GT

Every normal man must be tempted at times to spit on his hands, hoist the black flag, and begin to slit throats.
H. L. Mencken (1880 - 1956)
Post #1021406 16th Jan 2024 3:31pm
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chinnus



Member Since: 24 Aug 2012
Location: UK
Posts: 119
2001 Defender 90 Td5 ST Coniston Green
I do have that, I couldnt work it out …. I will have a look again!

Thanks
Post #1021407 16th Jan 2024 3:35pm
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4RF RDS



Member Since: 19 Jul 2015
Location: Ottawa
Posts: 899
Canada 2000 Defender 110 Td5 XS CSW Epsom Green

Click image to enlarge 2010 Range Rover MkIII Autobiography Super Charged (Idris)
2003 Range Rover Mk III (Desmond FitzWilliam)
2000 Defender 110 CSW TD5 (CTX)
1992 Range Rover Classic (Lizzy)
1972 Series III 300 Tdi (Stanwood)
1967 MGB GT

Every normal man must be tempted at times to spit on his hands, hoist the black flag, and begin to slit throats.
H. L. Mencken (1880 - 1956)
Post #1021411 16th Jan 2024 4:25pm
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chinnus



Member Since: 24 Aug 2012
Location: UK
Posts: 119
2001 Defender 90 Td5 ST Coniston Green
Thank you
Post #1021424 16th Jan 2024 6:46pm
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