VEMS and coolant fan outout

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vwnut8392
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Joined: Mon Aug 12, 2013 1:30 pm
Location: PA

VEMS and coolant fan outout

Post by vwnut8392 »

could anyone shed some light on how to go about wiring up the output to control a relay for the cooling fan? im not sure what to choose for an output in the ECU for starters. im pretty sure the output will be switching ground but im not sure of that either. any input on doing this would be great.
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