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theheffman



Member Since: 21 Mar 2019
Location: bath
Posts: 40

United Kingdom 2003 Defender 90 Td5 SW Cairns Blue
location of the heater windscreen timer relay on 2002 TD5

Hi All

after consulting various posts and the manual, i was expecting the HFS timer relay to be in the area under the seat. But its not there. its a 2002 uk TD5 SW, would it be behind the dash ?

Goes without saying the HFS is not working, the button light turns on and goes out again (so maybe not the timer, but no power to the screen) any ideas. I have checked the fuses in the main box, they look ok .

How can i check the timer relay, would it turn off the tail tail if it was faulty ?

thanks
john

Post #862295 18th Oct 2020 5:48pm
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Martin
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Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 5735

United Kingdom 2015 Defender 90 Puma 2.2 XS CSW Montalcino Red

Does it do this with the engine running as well? The timer will only engage with the engine running and the oil pressure light off.  1988 90 Td5 NAS soft top Cool
2015 D90 XS SW Mr. Green
2006 D110 CSW (Dad's)

Nanocom, IID, Forscan and Webasto diagnostics available in North Oxfordshire

Post #862302 18th Oct 2020 6:54pm
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Martin
Site Admin


Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 5735

United Kingdom 2015 Defender 90 Puma 2.2 XS CSW Montalcino Red

Ps: it’s behind the instrument pack  1988 90 Td5 NAS soft top Cool
2015 D90 XS SW Mr. Green
2006 D110 CSW (Dad's)

Nanocom, IID, Forscan and Webasto diagnostics available in North Oxfordshire

Post #862306 18th Oct 2020 7:00pm
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theheffman



Member Since: 21 Mar 2019
Location: bath
Posts: 40

United Kingdom 2003 Defender 90 Td5 SW Cairns Blue

thanks, thats what i was afraid of.

Yup i have read that it only works with engine running and correct oil temp. Sounds like i need to start replacing the relays !

Post #862312 18th Oct 2020 7:38pm
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Martin
Site Admin


Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 5735

United Kingdom 2015 Defender 90 Puma 2.2 XS CSW Montalcino Red

Nothing to do with oil temperature. It’s oil pressure. Once the oil pressure switch opens (oil warning lamp off, i.e. engine running) then the timer will operate the relay.

Instrument pack removal is 4 screws Smile  1988 90 Td5 NAS soft top Cool
2015 D90 XS SW Mr. Green
2006 D110 CSW (Dad's)

Nanocom, IID, Forscan and Webasto diagnostics available in North Oxfordshire

Post #862324 18th Oct 2020 8:15pm
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theheffman



Member Since: 21 Mar 2019
Location: bath
Posts: 40

United Kingdom 2003 Defender 90 Td5 SW Cairns Blue

looks like is need to get the screwdriver out then Smile

thanks for the guidance .

Post #862394 19th Oct 2020 10:24am
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