'02 R53 - replaced original steering pump with a reman Dorman unit. Seemed to work ok, however after a day or so of use, the pump stays on when ignition off which is the same symptom as the original. Question is; what energizes the pump? Does the key on energize the pump? If so, what is the purpose of the yellow wire connected to the alternator? Thanks for your help.
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MINI Cooper Power Steering Pump Replacement (R50/R52/R53 2001-2006) | Pelican Parts DIY Maintenance Article