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Messages - Lookitt

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1
Omega Electrical and Audio Help / Re: #Fuse 29 - Fan
« on: 15 June 2023, 20:58:40 »
Fingers cross :). Though oil is normally non conductive IIRC?

If it still happens, might be worth unplugging and driving for a couple of hundred km, seeing as it only happens with the A/C on, and you've proven no individual fan motor is causing it.


Anyway thank you for putting me on this track, I've done 650 km since then and no more problems.

2
Omega Electrical and Audio Help / Re: #Fuse 29 - Fan
« on: 07 June 2023, 21:30:00 »
I'm away, and not got access to wiring diagrams.

You can always unplug the compressor (single connector, from memory, underneath it, and see if that stops it blowing.


It looks like you got it right. I unplugged the compressor and cleaned the plug which was full of oil. (engine leak). Looks like the compressor plug is also connected to fuse 29. Maybe there was a bad contact, though I'm not sure if the oil is electrically conductive but I plugged it back in and since 50 km, I no longer have the fuse that blows. I wait a little longer before rejoicing.

3
Omega Electrical and Audio Help / Re: #Fuse 29 - Fan
« on: 03 June 2023, 13:31:29 »
Thank you for the details

4
Omega Electrical and Audio Help / Re: #Fuse 29 - Fan
« on: 03 June 2023, 12:34:56 »
You might be onto something, however...

The fans aren't working correctly so there is an issue there that needs addressing  ;)

What makes you say that the fans are not working properly? Because even with the F29 fuse blown they play their cooling role.
I'm sorry, even if you're not going to repeat it for the fourth time as you wrote it, I don't understand how to do the test from the plan you attached, I'm not very knowledgeable on the subject, and the translation of the document.

5
Omega Electrical and Audio Help / Re: #Fuse 29 - Fan
« on: 03 June 2023, 12:27:10 »
My bet would be SH[3705]. This is the front seat heating. It seems F29 provides power to the dashboard seat heating switches S30 and S55. From there there are connections to K183 and K184 which are the front left and front right seat heating controllers.

I had a load of problems with fuse F15 blowing. After much grief it turned out that when some lardy arsed driver moved slightly (over a speed bump for instance) it would somehow short out the seat heating, causing the fuse to blow. In my case it was F15, but both F15 and F29 feed the seat heating controllers so its possible what you are getting is similar.

The simple test is to pull out both dashboard seat heating controls (the knobs). That will disconnect F29 from the seat heating controllers. If F29 then stops blowing then it's fairly conclusive that the heated seats are your issue too.

Even if the heated seats are not on? The F29 fuse problem only occurs if I turn on the air conditioning. If I don't turn on the air conditioning, the fuse never blows. If I put the "ECO" blower on, the fuse does not blow. If I remove "ECO" I switch to air conditioning, fuse F29 blows.

6
Omega Electrical and Audio Help / Re: #Fuse 29 - Fan
« on: 01 June 2023, 22:22:09 »
Could fuse 29 be linked to the air conditioning compressor, which could have a fault?
Er, no.

That's to say the aircon compressor may well be faulty, but it is a mechanical component not an electrical one.


Not the compressor's magnetic clutch?

7
Omega Electrical and Audio Help / Re: #Fuse 29 - Fan
« on: 01 June 2023, 21:54:33 »
Could fuse 29 be linked to the air conditioning compressor, which could have a fault?

8
Omega Electrical and Audio Help / Re: #Fuse 29 - Fan
« on: 01 June 2023, 21:27:05 »
Indeed, a remote diagnosis is not simple. I appeal to people who know the Omega because Opel has not found.

9
Omega Electrical and Audio Help / Re: #Fuse 29 - Fan
« on: 01 June 2023, 20:57:41 »
Back to basics, does the fuse blow with the fan disconnected.  Obviously, be cautious about engine cooling.

Yes ! the fuse blew even if i disconnected the first fan, but not imediatly

10
Omega Electrical and Audio Help / Re: #Fuse 29 - Fan
« on: 01 June 2023, 20:50:45 »
I drove this afternoon, and passing over a speed bump (a bump), the fuse blew. I replaced it and disconnected the plug of the first front fan. Going back over a speed bump, the fuse blew. I renewed the operation on another bump and the fuse blown. I conclude that the first fan is not necessarily the cause and that during a shock (a bump) something happens causing the failure. Could a bad plug contact be the cause? Is this a reliable lead?

When the air conditioning is OFF, no fan operates. When the temperature reaches 92 degrees, only the 2 front fans operate at low speed. At almost 100 degrees second gear engages and so does the rear fan. This even if fuse 29 is blown.

When the air conditioning is ON and the fuse is not blown, the front fans operate at low speed. and in second gear if the temperature approaches 100 degrees.

Ultimately, if fuse 29 blows, the fans operate when triggered
 temperatures but the air conditioning does not work.

11
Omega Electrical and Audio Help / Re: #Fuse 29 - Fan
« on: 31 May 2023, 21:19:52 »
I disconnected the first fan.
When I turn on the air conditioning, the other fan runs intermittently at high speed.
I no longer have a blown fuse.

So, I reconnected the fan and drive for about 20 minutes with air conditioning. The fuse still hasn't blown.  ???

12
Omega Electrical and Audio Help / Re: #Fuse 29 - Fan
« on: 16 May 2023, 18:57:40 »
No other idea ? :-\

13
Omega Electrical and Audio Help / Re: #Fuse 29 - Fan
« on: 08 May 2023, 19:56:00 »
Aircon fans are in front of the radiator. Check both spin freely and report back  ;)

Thanks Doctor Gollum,

I know where the fans are and I know they are working.
The fuse blows after a few seconds when it is hot after several minutes when it is cold.
I know that the fuse don't blows when I don't start the air conditionned. And I know that the fuse blow when it's, so I think it is inside fan and not electrical cable but I'm Not sure, because I don't know how it is inside fan motor.
That isn't what I suggested. They might 'work' but if one is binding it will draw more current. They only switch on with air-conditioning or if the car is getting hot. You suggest that the fuse blows with air-conditioning.

With the car off, spin the fans by hand. Any tightness is a problem.

Ok I understand, I've spin the fans by hand, there is no resistance, the two fans turn identically

15
Omega Electrical and Audio Help / Re: #Fuse 29 - Fan
« on: 30 April 2023, 11:17:21 »
All the relays are in the relay box.  Andy B posted up a diagram for how to test various fan functions from a test socket in the relay box.
Hello The Boy,

I'm interested, do you know where I can find Andy B's diagram?

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