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- A6-C5 - (Typ 4B, 1997–2004) (https://www.audiforum.ca/a6-c5-typ-4b-1997%962004-80/)

- - Auxillary water pump (https://www.audiforum.ca/a6-c5-typ-4b-1997%962004-80/auxillary-water-pump-74706/)

Peter12

08-31-2018 12:07 PM

Auxillary water pump

Does anyone know what activates this pump to run? . Is it the temperature sensor or fan control module or something else?
The pump ran fine when l supplied an external power supply to it.
thx Peter
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