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Goose280Z ‘78

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  1. Goose280Z ‘78

    Oblithian:   No need to reply to the earlier message, I found a diagram and was able to figure it out.  Really simple.  The fans now come on immediately when I turn on the AC, or once the temp. hits 185 (if I'm not using the AC).   I've attached the diagram if anyone ever needs it.

     

    Electric Fan to AC Connection.PDF

    1. Oblithian

      Oblithian

      Oh good, I don't know why it didn't show me this before I replied haha.

      I am glad you got it worked out.

  2. Goose280Z ‘78
    Thanks Weekend Wagon! Your diagram really helped me to hook my electric fans to come on when I turn on the AC. Living in AZ it's a MUST! I've attached your diagram with a circle where I connected my green wire to the L (blue) wire for the compressor magnet clutch. Electric Fan to AC Connection.PDF
  3. Goose280Z ‘78

    Hi Oblithian.  I have been enjoying my 78 Z over the past couple of months but the heat here in Arizona  will probably be the death of me (and the Z) if I don’t improve my cooling fans.

     

    I have replaced the OEM clutch fan with a Flex-a-Lite Flex-Wave 16 inch LoBoy puller which produces approx. 3000 cfm. Additionally, I have added 2 12 inch pusher fans on the front to help and to provide more complete flow through the radiator.  I am using a Hayden 3654 (for up to 50 amps) controller with temp control switch, wiring and wattage engorging to run 4 single fans (or 2 dual speed fans) so I have plenty of juice.  The fans I bought will only use approx. 24-24 amps.  There is a wire for connecting to ignition AND a wire to connect for starting the fan when turning on the AC.  The controller is also directly connected to the battery for continual power.

     

    2 Questions:

     

    1) is there a component in the engine well that I can connect the fan controller to which would turn the fans on when I turn on the AC?

     

    2) Are the Z’s able to keep the fans running until the radiator temp hits the lower temp setting, even when the ignition is turned off?  (Would like it to keep cooling during the summer months even after I shut it off)

     

    Any help or advice would be appreciated.

  4. Goose280Z ‘78
    Forgot to mention the Dash LEDs. I went with Ice Blue and they are plenty bring, and the stock dimmer tones them down a bit if wanted, however, they aren’t bothersome on high so I’ll skip installing the PWM switch. (I was just wondering if it was necessary). We’ll see how the Hazzard’s work once the new fuse blocks are in. The original block is rusted, corroded and 3 have only 3 prongs.
  5. Goose280Z ‘78
    Thanks again for the info. I’ll be installing 2 Blue Sea (5035) Blade Fuse blocks - 1 for the 24 hour side and one for the accessories/switch side. I’ll add an in-line fuse for the radio for the 7th (13th) fuse on the accessory side. The ability to use “jumper terminals will allow me to mimic the original fuse layout perfectly. There’s a good video on YouTube which seems to make it fairly simple.
  6. Goose280Z ‘78
    Oblithian - A Great Big THANK YOU for taking the time back in July 2018 to solve what looks like one of the biggest mysteries of the Z LED issues. I just purchased a ‘78 280Z a couple of weeks ago and am getting the wiring all squared away while tackling the instrument lighting. The car itself is in Great shape both inside and out, however the old fuse block is corroded and has 3 fuse holders with a prong missing. I have ordered a new Blade Fuse block (Rear Terminal ATC ATO Fuse Block Bussmann 15712-14-06-21A) and will replace over the old glass fuse block in the coming days. Question: Did you find the need to replace the Rheostat Dimmer Switch With a PWM switch due to the LED’s or not necessary? Question: My HAZZARD switch may either be shorted or simply “gone bad” - when I press the hazzard switch it immediately makes my voltage meter in the dash go to 0. It takes some time but then the voltage meter resets once I turn off and then renegade the electrical by turning the key. However, sometimes the HAZZARD switch actually works. Any Thoguhts? If I need to get a new hazzard switch, do you have any ideas where I might be able to find one? Google searches are coming up BLANK for OEM switches. Thanks!!!!!!!!!!!!
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