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Technical Rebel Wire Harness diagrams and wiring info

Discussion in 'The Hokey Ass Message Board' started by REBEL43, Aug 30, 2018.

  1. brianf31
    Joined: Aug 11, 2003
    Posts: 718

    brianf31
    Member

    I bought your fan relay harness and a Hayden thermostat switch.. The Hayden diagram doesn't address using a relay but shows the thermostat wired in series between the ignition switch and fan positive. How would I wire the thermostat switch in with your harness? In series coming off 85?
     
  2. 24riverview
    Joined: Jan 13, 2008
    Posts: 945

    24riverview
    Member

    That's how I would do it, no reason to run the fan load through the Hayden switch when using it to control the relay will serve the same purpose.
     
  3. REBEL43
    Joined: Feb 17, 2007
    Posts: 705

    REBEL43
    ALLIANCE MEMBER
    from TENNESSEE

    I have to ask, just because it's how I am...but can you tell me the Hayden part number you bought? I can't imagine that it's a normal 2 post sender and they want to pull all the fan load through the sender and ignition switch, but I could be wrong, it's happened once before I'm wondering if it's more of a module and you're just connecting trigger wires. Normally you'd wire in a relay and the sender would operate the ground side of the relay (I always use 85, but you'll see 85 and 86 interchanged for ground and either is fine). I'll definitely help out, but I need a little more info if you've got it.
    Thanks,
    Jeremy
     
  4. REBEL43
    Joined: Feb 17, 2007
    Posts: 705

    REBEL43
    ALLIANCE MEMBER
    from TENNESSEE

    [​IMG]

    I found this which sounds like what you've got. I'm guessing your fan switch has the capillary tube type setup that goes through the radiator or somewhere to sense the temperature.

    It looks to me that that switch is just sending power through when it comes up to temp (depending on where you set the rheostat knob), but I think what I would do is: Wire our relay kit (red battery wire to the battery or starter solenoid, wire our gray fan wire from the relay to the hot side of the fan, ground the black wire on the relay. Then connect your 12v keyed hot to the hayden switch...connect our purple relay trigger wire to the other side of the switch (where they say fan positive).

    What this will do is: Your relay from us will be powered from the battery and grounded. When your temp switch comes on it will send power through the temp switch through our relay trigger wire and turn on the relay...then the relay will send battery power out to the fan. So your hayden switch is only triggering the relay and you're not drawing all those extra amps through the ignition switch and the hayden switch. Just my .02 though. Someone else might have a better way.
    Thanks again,
    Jeremy
     
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  5. brianf31
    Joined: Aug 11, 2003
    Posts: 718

    brianf31
    Member

    Hayden #3653.
     

    Attached Files:

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  6. brianf31
    Joined: Aug 11, 2003
    Posts: 718

    brianf31
    Member

    Yeah, that image agrees with the Hayden #3653 diagram. Thanks for the help.
     
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  7. REBEL43
    Joined: Feb 17, 2007
    Posts: 705

    REBEL43
    ALLIANCE MEMBER
    from TENNESSEE

    No problem, hope that works for you. I think it will work out, and be safer in the long run by just using it to trigger the relay, and we've got the 30 amp circuit breaker in there too.
     
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  8. brianf31
    Joined: Aug 11, 2003
    Posts: 718

    brianf31
    Member

    It worked like a charm. Thanks again!
     
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  9. I have a fuel pump question. My electric fuel pump is turning off when the car is cranking therefore not starting. I’m using the purple relay switch wire to an on/off toggle switch then the yellow window power wire to the relay. I’m going to try and show a pic here. Is there a different wire I should be using in either place of the purple or orange?
     

    Attached Files:

  10. Why is the toggle switch powered by the ignition switch?
     
  11. REBEL43
    Joined: Feb 17, 2007
    Posts: 705

    REBEL43
    ALLIANCE MEMBER
    from TENNESSEE

    Sounds like you have a 14 circuit, probably from Southern Rods...but if I'm wrong let me know which harness you have. In the 14 circuit harness the purple relay trigger comes off the accessory bus bar and most ignition switches drop off power to the accessory circuit when cranking. The wire is more meant for a fan relay and wouldn't matter if it went dead. If you want to use the purple relay trigger through the toggle switch as an override you could cut it and feed the toggle directly off the ignition switch run terminal. It wouldn't need to even be fused since it's just a trigger wire and only pulling about a 1/4 amp or so.

    You could also use the power window wire to feed 30 and 86 on the relay, keep 87 as power out to the pump...and use the toggle switch to switch the ground to 85 (ground in and ground out of the toggle switch) even still using the purple relay trigger as just a piece of wire to reach from the switch to the relay, just ground the other side of the switch instead of a hot.

    Let me know if you need any help with it.
    Thanks,
    Jeremy
     
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  12. REBEL43
    Joined: Feb 17, 2007
    Posts: 705

    REBEL43
    ALLIANCE MEMBER
    from TENNESSEE

    I'm guessing it's a 14 circuit kit and really the accessory side of the ignition switch feeds the row of fuses that has the relay trigger on it, and the switch is dropping off power when cranking. I was thinking it might be a 21 circuit kit, but the 21 has a fuel pump wire in it (hot in run and start).
     
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