I have a 2000 s500 i am replacing the air conditioning fan blower the old one has 3 wires and the new one has 4 wires what do i do now????

Asked by Jun 02, 2017 at 08:51 PM about the 2000 Mercedes-Benz S-Class

Question type: Maintenance & Repair

2 Answers


Make sure you have the right one. And or check if there are any directions on what to do with extra wire..Most likely you got the wrong part

1 of 1 people found this helpful.

Some aftermarket blower motors are reversible. To accomplish this there's two power (+) wires. One wire is not used. The directions should tell you which wire you need for clockwise or counterclockwise rotation of the motor. HTH. -Jim

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