I have an electrical problem

[masmaz]

I have a problem question, I do not like the rear windscreen wiper, if I turn it just makes shots stops, then if I start the engine and open the door, turns on and off the dome light, in the light over the door left and the lights of the pedals do not work and are not broken bulbs ...

what could have happened??

regards

max

[walky_talky20]

I think you have 3 different problems:

- A park problem with the rear wiper - perhaps a bad relay or the motor "park" contacts are faulty.
- The dome light turning on and off is probably a sticky door switch or a broken wire in the door harness (where it flexes)
- If by "lights of the pedals" you mean the footwell lights, that might be a blown fuse. They are driven by the locking module, so it could be a problem with that (sometimes the module gets wet and does weird things).

I would recommend you fix 1 thing at a time. I would start with the footwell lights (because that is the easiest one to test and diagnose), but you may decided to start with the wiper (because it is actually somewhat important).

[Audibot]

If none of those fix it, check your grounding in the engine bay. Odd enough as it may seem, my brother's Allroad started doing weird things (like reverse lights coming on while driving), and then one by one things started failing. Turned out to be a corroded grounding bar under his battery. So always something to keep in mind.

[masmaz]

I think you have 3 different problems:

- A park problem with the rear wiper - perhaps a bad relay or the motor "park" contacts are faulty.
- The dome light turning on and off is probably a sticky door switch or a broken wire in the door harness (where it flexes)
- If by "lights of the pedals" you mean the footwell lights, that might be a blown fuse. They are driven by the locking module, so it could be a problem with that (sometimes the module gets wet and does weird things).

I would recommend you fix 1 thing at a time. I would start with the footwell lights (because that is the easiest one to test and diagnose), but you may decided to start with the wiper (because it is actually somewhat important).

Thanks for your reply ... I answer immediately in order to what I have written:

- A problem with the rear wiper park - perhaps a bad relay or the motor "park" contacts are faulty.

>>>>I do not have the pattern of the relay and then not know what to replace or to rehearse, you can help me ??

- The dome light turning on and off is probably a sticky door switch or a broken wire in the door harness (where it flexes)

>>>>not the switch I'm sure, are not the bulbs, I'm sure, is not the fuse, I'm sure ... I did a lot of testing ..

- If by "lights of the pedals," you mean the footwell lights, That might be a blown fuse. They are driven by the locking module, so it could be a problem with that (sometimes the module gets wet and does weird things).

>>>>for the lights of the pedals I did a test measuring the current with the tester but no current so I tried to connect a "negative" to the negative connector of the bulb and magically lights door (bringing up red) and the "light of the pedals "they are accesere.
However, this "negative" creates a scompesnso plant as the extinguishing module does not work properly and the lights generally do not work well with key on or off ...

at this point I do not know what to check ...

The wiper motor back, I tried to take it apart, the mechanisms are in place, it is connected to 12volt and runs perfectly ...

thanks
Max

[walky_talky20]

Ok.

The dome light and the footwell lights (aka "lights of the pedals" lol) are driven by the Central Locking Module. So one problem with that module (ie: failed module or bad wire, etc) may be causing both problems.

The wiper motor is completely separate from the lights. I'm thinking the problem is most probably either the rear wiper switch (on the steering column) or the relay.

I'm not sure what year you have, but this post has the B5 relay locations for the North American market (probably the same for your car, too).
http://www.audizine.com/forum/showth...=1#post4575150

[masmaz]

it should be about the same I am attaching a picture of my system Audi A4 1.9 TDI Avant B5 year 12/1997 Engine AFN

https://drive.google.com/open?id=0B4...UQxTDVfQ3YyeEU

https://drive.google.com/open?id=0B4...XkyRXBaWlBCMVU