Help with my 156 Sportwagon PLEEEEEASE - Alfa Romeo Forum
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(Post Link) post #1 of 10 Old 31-08-16 Thread Starter
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Help with my 156 Sportwagon PLEEEEEASE

Please excuse my desperation but I am at my wits end. I have read many posts on hear and other forums but everything I have tried from what they say has not rectified the problem.
I have a 2001 156 Sportwagon and have nurtured it through its mot and now have one thing left to sort out, the blower. It has never worked since I bought it but now I would like it to work, coming up to the colder weather that it is. I have replaced all the fuses in the fusebox, including the one on the battery. I have replaced the resistor with a proven one, the motor with a proven one, and even the control panel with again a proven one. I get no clicks, buzzez , whistles or anything it just sits there. I have tried different combinations of the three units to no avail, on any setting. Please if anyone can help then I ask for your kindness and expertise.
Best regards, Alan
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Alan,
Did you measured 12 volts on the motor?
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As tim0172 indicates - if all the components you have swapped are sound, then it has to be a wiring issue. All you can do is work methodically back through the chain from motor to resistor to switch panel, testing for power at each point - somewhere you'll lose the power, and that will point to the broken wire......
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(Post Link) post #4 of 10 Old 01-09-16 Thread Starter
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I thank you for your help. I unfortunately am in no way am a technical person so it now looks like it needs to go to the mechanics.
Regards, Alan.
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(Post Link) post #5 of 10 Old 01-09-16 Thread Starter
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Just had a friend of mine check out the wiring at the motor end and he says that the two wires that connect to the motor are both live, would that even be possible? As I said in the previous message there is no way on earth I can be mistaken for a mechanic,or even a semi competent diyer.
Best regards, Alan
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Quote:
Originally Posted by oddjobber23 View Post
Just had a friend of mine check out the wiring at the motor end and he says that the two wires that connect to the motor are both live, would that even be possible? As I said in the previous message there is no way on earth I can be mistaken for a mechanic,or even a semi competent diyer.
Best regards, Alan
That'll tend to make it not work!
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Earthing problem?
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I assume your climate control is a single zone control.
As you can see in the attached wiring diagram the fan motor (N85) is connected to 12V and on the ground side it is connected to the speed variator (M72).
The speed variator is controlled by the climate control unit (M70).

If you are saying there is 12V on both side of the fan motor and that you have tried to exchange the fan motor, speed variator and climate control I would say, assuming the part you have tried are sound, that it must be the ground connection at the speed variator that fails.

Ground is the B pin on the A connector
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Hi, is that diagram from e-learn? Looking for a reliable source of wiring schematics.
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Quote:
Originally Posted by addo View Post
Hi, is that diagram from e-learn? Looking for a reliable source of wiring schematics.
Yes, it is from e-learn
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