How to replace a blower motor on a Mercedes Benz?

How to replace a blower motor on a Mercedes Benz?

The foam and plastic can become very brittle over the years so work slowly and carefully. You will need to feed some of the wiring harness through the openings as you go. Then remove it from the engine compartment. With the wiper and motor removed you will be looking at the cabin air filter box.

What causes a fuse to blow on a blower motor?

If the blower motor relay develops any sort of problem that hinders its ability to properly limit and distribute power, it may cause the blower motor fuse to blow. Any sort of electrical spikes or excessive current from a bad relay will blow the fuse and cut power in order to protect the system.

What causes a bad or failing blower motor relay?

Blown fuses. One of the first symptoms of a bad or failing AC blower motor relay is a blown AC blower motor relay circuit fuse. If the blower motor relay develops any sort of problem that hinders its ability to properly limit and distribute power, it may cause the blower motor fuse to blow. Any sort of electrical spikes or excessive current…

What happens if you have a bad blower motor?

The blower motor is the component responsible for pushing air through the vents of your vehicle’s heating and air conditioning systems. Without it, the AC system will not be able to circulate any heated or cooled air.

What happens when the blower motor does not come on?

As a note, 85 percent of the time when the blower motor does not come on or operates at one speed only, the blower motor resister is at fault. The resister emits substantial heat from the resistance it supplies and eventually burns up. The resister is inexpensive as parts go and is simple to replace.

How are the wires connected to a blower motor?

When all the clips are loose the top of the air box will lift off (red arrow). The blower motor has two electrical connections and both wires are color coded for ease of installation (red arrow). Separate the wiring connections noting the wiring runs below the motor. The motor is held in place by a single metal clip.

Where is the blower motor on a Honda Accord?

Locate the blower motor. The motor can be seen hanging down close to the passenger kick panel. Just to the left of the blower motor, an electrical connector connected to a flat 1-inch-by-2-inch plate can be seen. This is the blower motor resister, which controls the fan speeds.

How to replace AC heater fan motor 80-96 Ford F150?

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