merc w140 500 coupe heater fan help!

smoothcoupe

Active Member
Joined
May 9, 2005
Messages
390
Location
WEST YORKSHIRE.
Car
MERCEDES E55K-2001 AUDI S8-MERCEDES 300CE 24V SPORTLINE
Hi all. the interior heater fan on my 1993 500 sec keeps blowing even when ignition is off. im suspecting it to be the blower regulator that sits on top of the motor blower. i bouht a cheap one off fleebay for 30 quid fitted it and no blowrr at all. is this because it is a cheap after market item? Should i get a proper one from breakers? Or should i be checking for something else.. switch/relay etc. thanks.
 

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