Hello I am not working the fanning knob on the Mercedes A-class again and again. If I put the tester to the fuse and the plus on the battery, it is the voltage, as if the mass was on the fuse. How does the fan work, then the plus appears on the fuse. Will it be the fault of the cube in the...

Replace the fuse. If it still does not work, check the blower itself, Check: switch, resistor and fuse in it. However, when the blower is completely dead, follow the directions from above.

If I look correctly, it's possible, which is probably easy to check on the cube itself - pink / green wire? Or by doing what you've been doing so far through the motor and resistors you should change the lighting by operating the switch. Are you catching this mass by the blower motor? Power the fuse with a high-power bulb, the small bulb limits the current to the engine.

Hello Thanks for the help. I dismantled the cube in the ignition switch and there was a burned contact from this cable to the blower. I cleaned it, and now it works. I suspect that I will have to replace it with a new one.

According to the description, you wrote that the blower in the knob that controls the blower in the car does not work. Butter Butter. It is important that you found your problem.

Briefly, the cause of the failure was the cube in the ignition switch, and the burned contact from the wire that powers the air supply panel.

The blower knob does not work from the blower Mercedes A170 2001

driwer78 7878 5

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#1 16879043 09 Dec 2017 17:34

driwer78 driwer78

Level 10

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Post #1
16879043 09 Dec 2017 17:34

Hello
I am not working the fanning knob on the Mercedes A-class again and again. If I put the tester to the fuse and the plus on the battery, it is the voltage, as if the mass was on the fuse. How does the fan work, then the plus appears on the fuse. Will it be the fault of the cube in the ignition switch?
greetings
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#2 16895652 17 Dec 2017 00:24

pompa59 pompa59

Level 14

» | Helpful post? (+2)

Post #2
16895652 17 Dec 2017 00:24

Replace the fuse. If it still does not work, check the blower itself, [supply power directly from the battery] Check: switch, resistor and fuse in it. However, when the blower is completely dead, follow the directions from above.
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#3 16895727 17 Dec 2017 01:45

g107r g107r

Level 41

» | Helpful post? (+1)

Post #3
16895727 17 Dec 2017 01:45

driwer78 wrote:
Will it be the cube in the ignition?
If I look correctly, it's possible, which is probably easy to check on the cube itself - pink / green wire? Or by doing what you've been doing so far

driwer78 wrote:
How do I put the tester on the fuse and the plus on the battery

through the motor and resistors you should change the lighting by operating the switch. Are you "catching" this mass by the blower motor? Power the fuse with a high-power bulb, the small bulb limits the current to the engine.
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#4 16895936 17 Dec 2017 10:12

driwer78 driwer78

Level 10

» | Topic author Helpful post? (0)

Post #4
16895936 17 Dec 2017 10:12

Hello
Thanks for the help. I dismantled the cube in the ignition switch and there was a burned contact from this cable to the blower. I cleaned it, and now it works. I suspect that I will have to replace it with a new one.
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#5 16896002 17 Dec 2017 10:36

pepe150 pepe150

Level 36

» | Helpful post? (0)

Post #5
16896002 17 Dec 2017 10:36

According to the description, you wrote that the blower in the knob that controls the blower in the car does not work.
Butter Butter.
It is important that you found your problem.
#6 16928480 01 Jan 2018 15:59

driwer78 driwer78

Level 10

» | Topic author Helpful post? (+1)

Post #6
16928480 01 Jan 2018 15:59

Briefly, the cause of the failure was the cube in the ignition switch, and the burned contact from the wire that powers the air supply panel.
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