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Thread: Fan on speed 1?

  1. #1
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    Default Fan on speed 1?

    Looks like my heater fan doesnt work on the 1st speed. Used to be able to hear it start cos it had a little squeak but now the squeak has gone. Havent checked in detail (whether the fan doesnt work or the squeak is fixed :P) but I scanned through the forum last night and noticed people having to replace resistor packs when they didnt have fan speeds 1, 2 or 3. Just curious if this could be the same issue or is it more likely that my squeak is fixed?

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    Regular Member jordib's Avatar
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    i noticed this this morning, i dont know if the 1st speed is just so low that i just cant hear it or feel it or if it actually isnt workin.

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    Regular Member maurauth's Avatar
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    I think this is a common problem that the fan speeds don't work on 1 and then on 2 and eventually 3, but people usually notice by then.

    It's some sort of filter that needs changing if I remember correctly - someone should come along soon that knows.

  4. #4
    Regular Member OPC's Avatar
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    Vehicle : Vectra-C

    Trim : SRi XP2 Nav

    Engine : 1.9 CDTi 150

    Year : 2008

    Default

    Could it not just be the rotating switch worn??

  5. #5
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    Default

    OK, just checked it.

    Fan ISN'T working on speed 1. Works on all other though. Isnt the switch cos the fan wont come on if I press the air-con button (it should come on at the lowest speed). When I set the fan to 1 or press the air-con button I can hear a click from behind the glove box which I presume is the relay so I guess that is working ok.

    Ideas?

  6. #6
    Regular Member 67688c's Avatar
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    There is a thread on here which covered this issue in much detail, I recall putting up pics of the fan/heater circuit, and the relays being used.

    Certainly worth using the search to try and locate it.

    BTW dont assume because you can hear the relay clicking, it's working properly, I believe in that post I mentioned the fault turned out to be a relay.
    The members fan would only work on certain positions.
    Last edited by 67688c; 5th March 2010 at 12:04.

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    Cheers 67688c. Found your diagram but not sure if it tells me anything. Not all that versed in reading wiring diagrams and not too sure if it tells me anything about my problem. Cant see the air con button in the diagram or the control switch (1-4).

    OK will check the fuses first.
    Last edited by Tigger; 5th March 2010 at 12:49.

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    Checked the three fuses but they are ok. Can anyone point me in the right direction?

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    Default

    Checked the switch. Have green, blue, grey and red/black wires at the switch. Found that I have current through all the wires (at the switch) when the switch is at 2, 3 and 4. when the swicth is at 1, I have current through all the wires except the green one. When fan is off and A/C button pressed, I have current through grey and red/black.

    Can anyone let me know if this points more to the relay or the resistor pack?

  10. #10
    Full Member lizard's Avatar
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    Default

    I have the same issue at the moment so watching this with interest

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