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Old 05-16-2018, 03:55 AM   #10
crogthomas
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Join Date: Jan 2008
Location: Bracknell, UK
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If you are intending to use the Volvo 940 relay be aware that when the high speed fan circuit cuts in, it disconnects the low speed fan circuit, which would be no good if you have one fan connected to each. You would end up with only one fan running at any one time.
The best solution is to common the two output wire from the relay together and use them to run both fans at the same time whether the high or low speed circuit is active.
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