How do I test Blower Motor Resistor to veriy it is good? Visually it looks ok. on 2002 Mercedes-Benz SLK320

Completely disassembled motor/cage assembly. The motor is definitely bad! Signs of arcing/burns,etc. Motor needs to be replaced but want to make sure resistor didn't cause the problem. Thanks for any help you can provide>

by in Orlando, FL on August 15, 2012
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1 answer 1 comment
ANSWER by , August 16, 2012
start with ohm meter to see if there is continuity
COMMENT by , August 22, 2012
I installed a new Fan Motor,however when plugged in the motor runs continually on its own. The Fan switch has no control! Assume Resistor may now be the problem!The Resistor has components located in the middle of the assembly.I am familiar with electrical and electronic units, including Test Equipment.How do I know what ohm values I am looking for between the three (3) Pins on the assembly ??. Also,depending on what components are contained inside this Resistor,isn't it possible that an ohm meter may cause assembly component damage? Many thanks for any help you can provide.