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Thread: Aircon electrics

  1. 29th January 2011, 01:02 PM #1
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    Aircon electrics

    Hi All,

    Took my 130 to the Auto electrician to see if he could diagnose my a/c not working... he looked at my battery box (AKA Spaghetti junction) and I was soon going home none the wiser.
    I have had the 130 for a month now, I inherited the wiring and am as a result beginning "Operation Spaghetti Junction" in order to clean it up, and diagnose an A/C problem... I hope.

    Question: is this the A/C electrics as per Ron's schematic diagram? and any tips on diagosing the fault here in, or should I just replace the fuses and relays and hope for the best?
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  2. 30th January 2011, 06:03 PM #2
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    Well, I worked it out! these were indeed the A/C electrics. Two relays, two fuses (the third is just a spare) and a thermo amp (the thing with eight wires out the top.

    Better still, as I was organising spaghetti junction, AKA the battery box, I discovered that the previous owner had cut through the positive wire!, I hooked it up, and low and behold, I HAVE AIRCON!!!

    Now despite much beer and skittles, I still have a small problem, the aircon will stay on even after the keys have been removed, should this turn off when I turn the engine off?
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  3. 30th January 2011, 07:32 PM #3
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    It seems you've taken the +'ve off a battery feed. Take it off an ignition feed, so it works only with ign on.
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  4. 31st January 2011, 11:23 AM #4
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    DOH! How simple can it be!
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  5. 31st January 2011, 02:43 PM #5
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    Cripes I'm glad I fond this thread ! I was wndering
    1. What all that stuff was in my battery box.
    2. Why my air con wasn;t working.

    and realised that I had unplugged some of that stuff to fit a battery tray etc and will need to move a fair bit of it around.

    Cool !
    It's not broken. It's "Carbon Neutral".


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  6. 31st January 2011, 03:31 PM #6
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    I presume the thermo amp is the thing that controls turning the compressor on and off to mainatin a certain temp range.
    What are the 8 wires (eg what are they linked to)
    It's not broken. It's "Carbon Neutral".


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    1993 Defender 110 ute "Doris"
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    1996 Discovery 1

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    1995 Defender 130 HCPU and Suzuki GSX1400

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  7. 31st January 2011, 05:28 PM #7
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    found the schematic after a search through the "files" and then "technical manuals": Links and Downloads Manager - Australian Land Rover Owners

    it would appear of the 8 leads there are 2 earths, 1 pressure switch then compressor clutch and 5 to the evaporator / blower...
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  8. 1st February 2011, 02:26 PM #8
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    If anyone is able to take some good clear photographs of the various parts shown on the circuit diagram (evaporator, etc) showing wiring, then I will put together a "one stop shop" document on this.

    Cheers
    Mike
    It's not broken. It's "Carbon Neutral".


    gone

    1993 Defender 110 ute "Doris"
    1994 Range Rover Vogue LSE "The Luxo-Barge"
    1994 Defender 130 HCPU "Rolly"
    1996 Discovery 1

    current

    1995 Defender 130 HCPU and Suzuki GSX1400

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  9. 2nd February 2011, 06:54 AM #9
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    Quote Originally Posted by VladTepes View Post
    If anyone is able to take some good clear photographs of the various parts shown on the circuit diagram (evaporator, etc) showing wiring, then I will put together a "one stop shop" document on this.

    Cheers
    Mike
    Bump !
    It's not broken. It's "Carbon Neutral".


    gone

    1993 Defender 110 ute "Doris"
    1994 Range Rover Vogue LSE "The Luxo-Barge"
    1994 Defender 130 HCPU "Rolly"
    1996 Discovery 1

    current

    1995 Defender 130 HCPU and Suzuki GSX1400

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  10. 2nd February 2011, 07:30 AM #10
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    Sorry Vlad! I will try to take some pics this weekend...
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