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Thread: How To Relocate Climate Controls on the 97-02 F-body Cars

  1. #1
    FLAC
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    How To Relocate Climate Controls on the 97-02 F-body Cars

    PART 1

    All right, there are a few folks out there who would like to relocate these controls to someplace other than the glove box, but the cable control has always been the roadblock. The fan knob is just electrical so it's straight forward to just cut the wires and splice in extensions to lengthen them. The vent selector is a simple 6 vacuum lines. They can be cut and rubber hose added with a dab of superglue to keep them tight. The middle knob is the real problem.

    It's a cable operated device that is under tension and quite difficult to extend. That is the focus of this thread.

    First thing I did was order a new cable to see how the whole thing worked. The part number is #10418042 and it is about 20 bucks from GM Parts Direct.

    There is a small end that attaches to the knob and a big end that goes under the dash on the passenger side. Just drop the plastic foot panel under the dash and follow the cable. It is held on with one screw.

    The sheath holds one long cable that has the ends crimped with lugs on the big end and a crimp in the center so the knob can grab it. The whole cable is under tension from the spring on the big end. The sheath is also divided in two to keep the 2 cables from rubbing against one another. I doubt that makes any difference and a single large hole should work just as well. How much rubbing do they actually see anyway?

    Here is the back of the controls.

    1999 Black Pontiac Trans Am
    CarPC's in F-bodies
    How To Relocate Climate Controls on the 97-02 F-body Cars
    (AMD Sempron 3000+, Opus 150)
    Car PC system is out, Alpine system is in.

  2. #2
    FLAC
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    Here is the stock cable taken apart.






    1999 Black Pontiac Trans Am
    CarPC's in F-bodies
    How To Relocate Climate Controls on the 97-02 F-body Cars
    (AMD Sempron 3000+, Opus 150)
    Car PC system is out, Alpine system is in.

  3. #3
    FLAC
    Join Date
    Oct 2005
    Location
    Hou. TX
    Posts
    1,481




    1999 Black Pontiac Trans Am
    CarPC's in F-bodies
    How To Relocate Climate Controls on the 97-02 F-body Cars
    (AMD Sempron 3000+, Opus 150)
    Car PC system is out, Alpine system is in.

  4. #4
    FLAC
    Join Date
    Oct 2005
    Location
    Hou. TX
    Posts
    1,481



    1999 Black Pontiac Trans Am
    CarPC's in F-bodies
    How To Relocate Climate Controls on the 97-02 F-body Cars
    (AMD Sempron 3000+, Opus 150)
    Car PC system is out, Alpine system is in.

  5. #5
    FLAC
    Join Date
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    The key to this design is that the cables are under a lot of tension from the spring plus you don't really need a dual hole sheath to keep them seperated. I think I can cut the sheath (already done) and add a length of bicycle cable sheath in the middle. Get both outer diameters roughly the same size and slip a 3" or so length of plastic tubing over the joints and then tape them into place. The sheaths will be pulled together anyway from the cable tension and the tubing will help keep everything lined up and prevent kinks at the joints.

    Here is the cable I found.




    It has 49 strands of stainless steel and is 0.030 diameter. 1/32" diameter is 0.03125" so that's about right. The nylon coating can be a problem, though. I ended up burning it off. Maybe a different brand of cable can be found without the coating. Either way, it should be no big deal.



    This cable is refered to as 7x7 which means it hase 7 big strands and each one of those has 7 individual strands. That's where you get the 49 strands from and what makes it so strong and flexible.

    I counted the stock cable strands and found about 49 so I'm sure that's what the factory used.

    1999 Black Pontiac Trans Am
    CarPC's in F-bodies
    How To Relocate Climate Controls on the 97-02 F-body Cars
    (AMD Sempron 3000+, Opus 150)
    Car PC system is out, Alpine system is in.

  6. #6
    FLAC
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    The crimps turned out to be the hardest thing to find. The crimp near the knob end is a special size that fits inside a notch in the small round disc.

    I went through a few different things to get a strong crimp small enough. First I will say DON'T use any of these:




    None of them worked well at all.

    Here is what you need to get and it's also from the fishing supply store. Crimps in a size called A5. They are solid metal and fairly thick. I think they are brass, I don't know for sure but they are strong and flexible enough to get the job done and the cable broke before the crimps slipped. You can't ask for more than that.

    1999 Black Pontiac Trans Am
    CarPC's in F-bodies
    How To Relocate Climate Controls on the 97-02 F-body Cars
    (AMD Sempron 3000+, Opus 150)
    Car PC system is out, Alpine system is in.

  7. #7
    FLAC
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    In order to fit it into the notch on the small disc I had to grind one of the A5 crimps to about half it's length and then had to use a special crimping technique.




    Follow this GIF, although we will only be crimping a single cable.



    1999 Black Pontiac Trans Am
    CarPC's in F-bodies
    How To Relocate Climate Controls on the 97-02 F-body Cars
    (AMD Sempron 3000+, Opus 150)
    Car PC system is out, Alpine system is in.

  8. #8
    FLAC
    Join Date
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    Once crimped I ran the wires through the cable end and through the 2 holes and then tapped the crimp into that notch. I also used a Dremel to grind the sharp edges from the crimp just in case, but it wasn't needed.




    1999 Black Pontiac Trans Am
    CarPC's in F-bodies
    How To Relocate Climate Controls on the 97-02 F-body Cars
    (AMD Sempron 3000+, Opus 150)
    Car PC system is out, Alpine system is in.

  9. #9
    FLAC
    Join Date
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    Location
    Hou. TX
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    I was able to find a bicycle brake cable sheath large enough to hold the 2 wires. It is important that the teflon be removed so that they won't bind when rubbing together. This is the one part of my idea that I don't like so much. I would love to use a dual channel cable so keep the wires seperate, but I can't find any so I have to use a single hole cable. Seeing how little this control is used (at least by me) I still think the cables will last a long time before they cause any problems. The stainless cables are real smooth and slick so hopefully it will last.

    The brake cable sheath I found is slighty smaller in outer diameter so I wrapped it with tape to build it up to the size of the factory cable sheath.

    I also found some plastic tubing with a 1/4 inch inner diameter that works real well for like 2 bucks.








    I also made sure the edges where the cables go into the sheath are not sharp so it won't get cut in any way.
    1999 Black Pontiac Trans Am
    CarPC's in F-bodies
    How To Relocate Climate Controls on the 97-02 F-body Cars
    (AMD Sempron 3000+, Opus 150)
    Car PC system is out, Alpine system is in.

  10. #10
    FLAC
    Join Date
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    Location
    Hou. TX
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    This is it for Part 1.

    I plan to move the climate controls to the center console so I'm shooting for a total length of 55-56 inches. Unfortunately I cut my brake cable sheath a tad shorter and I have a 54" length. Hopefully this won't be a problem.

    I need to run the cable ends into the large disc which goes under the dash. It's important that the cables are not twisted so that the knob turns the air valve the right way. Otherwise the cold will be the hot and vice versa. I'm not going to grind the A5 crimps on the very ends where the spring attaches as they don't have to be shorter. Their full size should work fine and be plenty strong when using that special crimping technique. After all, the end crimps are what holds the actual tension on the cable.

    I will try and finish the bottom end when I can and show all the details.
    1999 Black Pontiac Trans Am
    CarPC's in F-bodies
    How To Relocate Climate Controls on the 97-02 F-body Cars
    (AMD Sempron 3000+, Opus 150)
    Car PC system is out, Alpine system is in.

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