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Thread: Replace Civic 96-98 heater control panel with 99-00 panel

  1. #21
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    I'd like to know as well.

  2. #22
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    Yeah it's possible. I was just hoping to find a way that doesn't involve replacing the stuff mentioned on the post below. You can get away with not having to replace the entire blower unit like the guy did below - you just need to replace the resistors with a power transistor from 99-00 blower unit and you also need a 12V relay for the highest fan setting to work properly.

    The heater unit seems to be another matter, as the new one has a servo motor controlling the air mix. The 96-98 heater unit and 99-00 heater boxes seem to be *very* similar. But the new one has the servo motor, and screw holes on the box itself to mount the motor. Also it looks like the newer boxes have newer wiring, which is required to connect up with the new climate control panel. So the best thing here is probably to do what the forum post below says to do, which is just upgrade the entire box.

    The post below goes into details on how to do the swap. I can post details myself of how I did things when I finish the swap if anyone wants to know. I have everything I need to do the swap, except for a 99-00 heater box & associated wiring harnesses. I also need the 12V relay on the bottom of the blower. If anyone has anything let me know....

    How to do the swap

    It's obviously a pain to do the swap. But I think the results are worth it. You can put in a screen where the head unit normally goes and it will look completely OEM - no tacky motorized screens coming out blocking the air vents, nothing mounted on an arm someplace, etc. My plan is to not use a head unit at all and run the audio output of the computer direct to an amp. Then hook up radio to the computer. This means I won't need a head unit cluttering things up. Just a simple screen.

    Then, in the place in front of the shifter where the tape deck or CD player normally goes, I'm going to put in a panel with USB/firewire ports, flash card reader, slot-loaded DVD, audio input, maybe a volume control knob or something like that or one of those computer-controlled LCD displays, and perhaps a regular wall-sized AC plug coming from my inverter so the front passenger could plug in his laptop or other item without hassling with an inverter or DC-DC converter. In the end, it's all my stuff and my design, so I don't have to work around any crap from a head unit.

  3. #23
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    Yep. Well thats one way of doing it, but it requires a fair amount of time and money. The idea that I came up with was to retain your original climate dash, and simply remove the clock(if u have one) and the climate control unit as shown in the "before.jpg". You then do a bit of cutting/shaping using bondo/fibreglass and you should end up with something like the "after.jpg". I used photoshop to show the result, as I have'nt got round to doing it myself. Now you will notice you have a perfect spot for your 7" (8" if your lucky) touchscreen monitor.

    The end result looks similar to the 99/00 dash, but without the climate controls knobs (less cluttered look I think). Then you simply install the small climate control unit which plugs into you factory harness, then bolt on the servo for a hassle free installation.

    Now your climate control (with extra functions) can be fully controlled via a remote or PC.
    Attached Images Attached Images    

  4. #24
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    Quote Originally Posted by PredatorCoder
    Yeah it's possible. I was just hoping to find a way that doesn't involve replacing the stuff mentioned on the post below. You can get away with not having to replace the entire blower unit like the guy did below - you just need to replace the resistors with a power transistor from 99-00 blower unit and you also need a 12V relay for the highest fan setting to work properly.

    The heater unit seems to be another matter, as the new one has a servo motor controlling the air mix. The 96-98 heater unit and 99-00 heater boxes seem to be *very* similar. But the new one has the servo motor, and screw holes on the box itself to mount the motor. Also it looks like the newer boxes have newer wiring, which is required to connect up with the new climate control panel. So the best thing here is probably to do what the forum post below says to do, which is just upgrade the entire box.

    The post below goes into details on how to do the swap. I can post details myself of how I did things when I finish the swap if anyone wants to know. I have everything I need to do the swap, except for a 99-00 heater box & associated wiring harnesses. I also need the 12V relay on the bottom of the blower. If anyone has anything let me know....

    How to do the swap

    It's obviously a pain to do the swap. But I think the results are worth it. You can put in a screen where the head unit normally goes and it will look completely OEM - no tacky motorized screens coming out blocking the air vents, nothing mounted on an arm someplace, etc. My plan is to not use a head unit at all and run the audio output of the computer direct to an amp. Then hook up radio to the computer. This means I won't need a head unit cluttering things up. Just a simple screen.

    Then, in the place in front of the shifter where the tape deck or CD player normally goes, I'm going to put in a panel with USB/firewire ports, flash card reader, slot-loaded DVD, audio input, maybe a volume control knob or something like that or one of those computer-controlled LCD displays, and perhaps a regular wall-sized AC plug coming from my inverter so the front passenger could plug in his laptop or other item without hassling with an inverter or DC-DC converter. In the end, it's all my stuff and my design, so I don't have to work around any crap from a head unit.
    thank you man i'm gonna do it once it's done i'll post pictures

  5. #25
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    Jun 2005
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    Just totalled the car today. So much for my dreams of automating it with a car PC...

    Had all the parts to do the conversion too, except for the heater box and air flow duct.

  6. #26
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    Quote Originally Posted by PredatorCoder
    Just totalled the car today. So much for my dreams of automating it with a car PC...

    Had all the parts to do the conversion too, except for the heater box and air flow duct.
    dude I know how u feel.. i just pranged my civic front end stuffed. engine still ok though. bodykit, mags, headlights, door fenders and carbon bonnet need to be replaced!!!

    but not totalled though

  7. #27
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    Sorry about your loss

  8. #28
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    Well I finally found a replacement car. After looking at some of the other cars I decided I wanted another Honda Civic (big surprise). So now I have a Civic 97 LX which as you all know is very similar to my 96 Civic LX. Now the car computer project can continue forward.

    CivicModz/anyone else: I have tried looking around the Tyco Electronics site looking for the climate control plug, but I couldn't find it. What section did you look in? How would you browse the site looking for it but not knowing the part number (i.e. specifically which links do you click on)? Tyco makes so much stuff it's really hard to find anything... And also, what part number specifically did you use for the green plug?

    If you got the female plug I assume it soldered directly onto the PCB - no biggie there. But if you got a male plug, how exactly would you assemble that into a cable that is a little more usable? (Same applies for female plugs that go on a cable). That's going to be important when overriding the behavior of different stuff but you want to retain the ability to use the manual controls.

  9. #29
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    you can do what i did to mine, i lost the AC vent in the middle, but i guess it be worth it, here a sketch of it.
    Attached Images Attached Images  

  10. #30
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    easy way

    The 96-98's are cable controlled. The 99-00 are electronic control. Thus it would be far easier to relocate the A/C controls to the tape/cd player spot down below and then you would have the full face of the dash to mount a screen. The cables reach, I have a 98. You should ask the guys at www.jdmcivic.com . If its possible they have done it.

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