Took blower motor off to be repaired, put it back in and stays on all the time without even key in ignition, should supply be live all the time any help appreciated 

any 

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Were there any other wires going to the blower other the supply lines? What I am trying to figgure out if the regulator is integrated on the blower or not. That would noramlly be the culprit and either prevent it the blower from working or keep it on all the time.
Yes there’s 2 other wires as well which all go to the regulator, but guy at merc said it should all cut off with ignition
I missed the fact that it stays on even with ignition off. If that is the case the most liklely problem is a bad relay (stuck on) or a defective sam module. Have you checked the relay? Also do you have any other electrical issues that you can't explain?

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