Having problems with your 2002 Mercedes-Benz C-Class ?

How can I test a Mercedes 2002 C240 Cooling fan on the bench?

\015 How can I test a Mercedes 2002 C240 Cooling fan out of the car?\015 Posted / edited by AnonymousUser on : 20-11-2017

Answers :

Connect 2 wires to fan plug, w/ other end of wires touch to battery terminals (disconnect battery to make sure you don't accidentally touch the wires together while doing this, as you can damage the electrical system). When you touch to the batt. terminals, the fan should kick on. If it doesn't, the fan motor is shot, if it does turn on, it is a relay that is bad, not signaling the fan to turn on when it should (as engine temp goes up).
Repair Help & Product Troubleshooting for 2002 Mercedes-Benz C-Class

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