 | Home > Tdi > RDX Electric Fan wiring |
 
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| paul 123 Member Since: 10 Jul 2022 Location: norwich Posts: 84   
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wire it through a relay but i think its best not to ignition switch it (just my opinion) as the fans can run still cooling the engine for a few mins after switching off.
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7th Dec 2024 7:46am |
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| SADS Member Since: 28 Nov 2023 Location: Cambridge Posts: 68 
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Hi Paul, thanks for the reply.
Okay, a relay is provided in the kit. If i dont wire into the ignition, wouldn't the fan be live all the time, or is that where a relay comes in? Would you be able to do a step by step of what would need to be done to wire it in with a relay please? |
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7th Dec 2024 8:37am |
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| Mo Murphy Member Since: 01 Jun 2008 Location: Letchworth Garden City, Herts Posts: 2244 
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Is it on/off or temperature controlled ?
Mo The Land Rover 90 - Many are called, few are chosen. 50 Shades of Pennine Grey |
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7th Dec 2024 11:41am |
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| SADS Member Since: 28 Nov 2023 Location: Cambridge Posts: 68
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Temp controlled
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7th Dec 2024 1:55pm |
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| Mo Murphy Member Since: 01 Jun 2008 Location: Letchworth Garden City, Herts Posts: 2244
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Wire from battery via a fuse through the temp switch to the relay as a trigger. Then a fused supply from the battery through the relay to the fan motor. Earth's locally or back to battery (which is what I do).
Use good quality waterproof connectors to improve reliability. This way will keep the fan live after you've turned off the ignition but will turn off once lower temp is reached. Mo The Land Rover 90 - Many are called, few are chosen. 50 Shades of Pennine Grey Last edited by Mo Murphy on 7th Dec 2024 2:42pm. Edited 1 time in total |
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7th Dec 2024 2:40pm |
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| paul 123 Member Since: 10 Jul 2022 Location: norwich Posts: 84
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mine is temp controlled i have drilled and tapped the thermostat housing and fitted a sender into it. the wiring is a permanent live to the sender then a wire from the sender to the relay this is the switch wire the other three wires on the relay one goes to earth one goes to a permanent live then one goes to the fan. the fan also needs an earth all permanent lives are fused.i hope this makes sense. mine is in a 2 door range rover fitted with a 200tdi.
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7th Dec 2024 2:42pm |
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| SADS Member Since: 28 Nov 2023 Location: Cambridge Posts: 68
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Haven't got round to this yet. Will revert back to this thread when i have time and then update accordingly.
Thank you! |
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16th Dec 2024 11:50am |
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