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i recently did a b16a swap into my 90 integra GS with a PR3 ecu and my radiator fan doesnt work unless you boost it directly to the battery everything is connected except the old radiator fan plug because the knock sensor switch is now on the block where the fan plug used to be on the b18a block so i dont know if have to connect this or not but if i do where does it go or is it something else because the fan is missing a ground. i need help because the engine over heats and i dont want to keep boosting the fan .
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