1999 Mercedes Benz SLK230 A/C Blower malfunction

Tiny
SALTYIRISH
  • MEMBER
  • 1999 MERCEDES BENZ SLK230
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 105,000 MILES
I own a 1999 slk 230 and the blower does not work properly. I have taken it apart, cleaned it, reassembled it, and tested it with a voltmeter. Everything appears to be be fine. The motor even turns on when I use the voltmeter on the blower when the car is on, but once I shut off the car and turn it back on it fails to start up again.
Saturday, January 18th, 2014 AT 12:16 PM

1 Reply

Tiny
KNOWLEDGE IS POWER
  • MECHANIC
  • 1,136 POSTS
It sounds to me as though you have worn brushes in the motor. If you smack the motor with it turned on does it work or even attempt to? If not check for power and ground at the plug with the car running and the motor unplugged. You need both ground and power. If you have them then your motor needs to be replaced
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Saturday, January 25th, 2014 AT 6:49 PM

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