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Thread: Aircon Issue

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    Expert tuckertrucker's Avatar
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    Aircon Issue

    Hi All
    I've had a look through past threads but couldn't find anything to help.

    My airconditioning in my '92 GQ Safari (24volt electrics) doesnt seem to be working. It seems only to be the fan that isnt going. When I turn on the lights, the backlights of the aircon light up. And if I set the air feed to out side air when Im driving, air will flow through the vents and when this is happening the heat control works. But the fan wont go.
    The fan and heater in the back work fine without fault.
    I dont think its a fuse as Ive checked all the fuses in the driver kick panel and none have blown. Wondering if there are any other fuses somewhere else or if anyone has any other ideas.
    Cheers, Dylan
    1992 Nissan Safari Granroad LWB TD42 after market turbo RE4R03A (for now) 3" straight pipe

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    The master farter
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    Any gas in the a/c? If its low on gas to a certain point, the a/c wont kick in. I believe.

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    Legendary dom14's Avatar
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    Quote Originally Posted by mudski View Post
    Any gas in the a/c? If its low on gas to a certain point, the a/c wont kick in. I believe.
    According to his description, it's the blower fan that isn't working. I suspect a resistor issue, assuming he checked the fuse for the blower motor properly.
    RB30, some 2-3 inch lift auxiliary LPG tanks
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    Expert tuckertrucker's Avatar
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    Quote Originally Posted by dom14 View Post
    According to his description, it's the blower fan that isn't working. I suspect a resistor issue, assuming he checked the fuse for the blower motor properly.
    Yeah there is heaps of gas. When you say checked the fuse corectly.. i pulled it out, the wire was still intact and i could get current across it. so stuck it back in
    1992 Nissan Safari Granroad LWB TD42 after market turbo RE4R03A (for now) 3" straight pipe

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    dom14 (23rd August 2016)

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    If the front interior fan isn't working on any speed it could be a faulty interior fan motor or a faulty relay.

    The interior fan relay should be the top relay beside the fuse box inside the vehicle try swapping it with the middle relay.

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    dom14 (23rd August 2016)

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    Legendary dom14's Avatar
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    Quote Originally Posted by tuckertrucker View Post
    Yeah there is heaps of gas. When you say checked the fuse corectly.. i pulled it out, the wire was still intact and i could get current across it. so stuck it back in
    I meant that you didn't get the fuse mixed up with another one. Sometime, with mods done to electrical wiring, fuse you're checking may not be the one for the blower fan. It has been my experience with my troll. Checking few other fuses to ensure they are what they are might be a good thing with older vehicles.
    RB30, some 2-3 inch lift auxiliary LPG tanks
    Few more mods on the way
    http://www.worldwildlife.org/species/tiger
    https://www.panthera.org/
    Cheetah Outreach

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    Expert tuckertrucker's Avatar
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    Quote Originally Posted by dom14 View Post
    I meant that you didn't get the fuse mixed up with another one. Sometime, with mods done to electrical wiring, fuse you're checking may not be the one for the blower fan. It has been my experience with my troll. Checking few other fuses to ensure they are what they are might be a good thing with older vehicles.
    Yeah, all my fuse labels are in japanese so I went through them all
    1992 Nissan Safari Granroad LWB TD42 after market turbo RE4R03A (for now) 3" straight pipe

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    Legendary dom14's Avatar
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    Quote Originally Posted by tuckertrucker View Post
    Yeah, all my fuse labels are in japanese so I went through them all
    Have you tried what Yendor suggested above?

    If you did, then it may be worth pulling the blower fan unit out.
    In, not so common cases crap can get into it from the top of the dash, and air inlet vent in the side of the blower fan unit, and possibly block the propeller and eventually cook the motor.
    I've seen it as a common issue with Nissan Micra 1996 model, where the blower fan/motor unit cooked twice as a result of crap getting into it from the interior air intake opening, and once the resistor cooking itself(but still worked at the highest setting).
    Last edited by dom14; 26th August 2016 at 03:30 PM.
    RB30, some 2-3 inch lift auxiliary LPG tanks
    Few more mods on the way
    http://www.worldwildlife.org/species/tiger
    https://www.panthera.org/
    Cheetah Outreach

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    Expert tuckertrucker's Avatar
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    Quote Originally Posted by dom14 View Post
    Have you tried what Yendor suggested above?

    If you did, then it may be worth pulling the blower fan unit out.
    In, not so common cases crap can get into it from the top of the dash, and air inlet vent in the side of the blower fan unit, and possibly block the propeller and eventually cook the motor.
    I've seen it as a common issue with Nissan Micra 1996 model, where the blower fan/motor unit cooked twice as a result of crap getting into it from the interior air intake opening, and once the resistor cooking itself(but still worked at the highest setting).
    Sorry ive been in Fiji for the last two weeks. Ill check out that relay tomorrow and see if thats it. It just seems strange that all the lights behind the switched on the aircon dash will go, but when i put the multimeter on the terminals behind the fan switch in the dash there wasnt any power. If the relay blew, there would still be power here, I think. Ill check it though cause it seems to be the best option.
    cheers
    1992 Nissan Safari Granroad LWB TD42 after market turbo RE4R03A (for now) 3" straight pipe

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    Legendary dom14's Avatar
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    Quote Originally Posted by tuckertrucker View Post
    Sorry ive been in Fiji for the last two weeks. Ill check out that relay tomorrow and see if thats it. It just seems strange that all the lights behind the switched on the aircon dash will go, but when i put the multimeter on the terminals behind the fan switch in the dash there wasnt any power. If the relay blew, there would still be power here, I think. Ill check it though cause it seems to be the best option.
    cheers
    How did you test the dashboard fan switch whether it gets power?
    Where did you put the positive and negative terminals of the multimeter?
    RB30, some 2-3 inch lift auxiliary LPG tanks
    Few more mods on the way
    http://www.worldwildlife.org/species/tiger
    https://www.panthera.org/
    Cheetah Outreach

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