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Thread: Very Noob Question about wiring.

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    New Guy trudust's Avatar
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    Very Noob Question about wiring.

    Okay, i'm working with a van that has sat in the elements for the last 30 years. The wiring needs to be redone and really, nothing works on it. I ordered a the basic EZ wire kit to redo the essential wiring. I've got the EXCELLENT wiring diagram provided by this site, and my only question is: does everything going to the steering (half moon looking connection) ground inside the steering wheel, or does just the horn ground there? Currently my signal switch does not work, and I just want to bypass the steering signal switch and just instal a very simple (very dumbed down) electrical system with switches controlling everything. Again, I'm working with basically a blank canvas and all I want are the essentials (lights/brights, signals, blower motor, wipers, dash lights, gauges) No radio, no a/c, no dome, no accessories.

    Sorry if this has been posted before. I tried to read as much as I could before posting.
    @TRUdust
    www.treeandleafclothing.com
    - 1969 Chevy Van - 1974 Chevelle Malibu Classic -

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    VCVC Charter Member Vanner68's Avatar
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    The only thing going to ground should be the horn. Everything else is switching the +12v side.
    Gregg Groff


    There's no place like 127.0.0.1

    1968 Chevy G20 108 panel Now with 454 power!

    1965 Chevy G10 panel- OHC Pontiac inline 6

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    New Guy trudust's Avatar
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    Just use relays…?

    So if I was going to just run my basics, could I just run a different relay per item? If so, should the relay sizes vary per item, or could I get just a handful of 30amps…?
    @TRUdust
    www.treeandleafclothing.com
    - 1969 Chevy Van - 1974 Chevelle Malibu Classic -

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    VCVC Member Optik's Avatar
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    I think your better off copying the stock wiring with new rather than running everything differently. That way down the line the stock wiring diagram will still be applicable if you run into any issues. These vans are about as bare-bones as it gets anyway, so why not keep it as close as possible. Add relays where needed but not everything has to go through a relay. Just my 2 cents....
    =============================================
    Tim Henderson
    Cincinnati, OH
    1965 Chevy Sportvan "Good Twin"
    1965 Chevy Sportvan Deluxe "Evil Twin"


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    VCVC Member panelmanrd's Avatar
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    I have installed a couple of these harnesses, they are mostly designed
    using gm style switches, I would keep the factory switch in the steering
    column, you still can get new ones from several suppliers, gm used the
    same switch for a long time so its popularity is high. all aftermarket
    steering columns use the same switch, idit and forest river both use them.
    you will find that a lot of wire colors are the same van harness to the new one,
    and also use the most of the same type switches.
    put one in a 57 belair and used the wiring diagram that came with the harness,
    was fairly simple, used the 57 headlamp switch and the 57 ignition switch
    switch is almost identical to our vans, the turn signal switch I used was
    a 69 chevy truck that was a tilt column.
    where it gets kind of complex is when you get to the alternator hook up,
    some use internal regulated one wire, some use 3 wire internal reg and some
    use the old school external regulated alts, it should show you how to hook up
    all of them in the harness kit. if you have any questions or need an ear to run an
    idea past I would be glad to help any way I can.
    54 chevy panel truck 355 tpi 700r4 325/9in
    64 chevy 90 5.7 tpi 700r4 336 8.2
    69 chevy panel van 5.7 tbi 700r4 336 8.2

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    i would avoid "complicating" this simple wiring system with relays and other devices. keep i simple and you won't regret it.

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    New Guy trudust's Avatar
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    Awesome!

    Thanks guys. I'm sure I'll have more questions soon. Much appreciated!
    @TRUdust
    www.treeandleafclothing.com
    - 1969 Chevy Van - 1974 Chevelle Malibu Classic -

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    VCVC Member lvjjj's Avatar
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    Quote Originally Posted by planetvear View Post
    i would avoid "complicating" this simple wiring system with relays and other devices. keep i simple and you won't regret it.
    I tend to agree with pv to use the KISS principal, however, my old wiring was preventing me from running the headlites, wipers and heater motor at the same time. If all of them were on, they would reduce the alternator output below 12v. So, with the help of kk and others, I installed 3 relays which completely solved the problem. This may not be a problem for you with all new wiring but they sure worked for me.

    I also recently installed a 94 amp alt with an internal regulator, it only required two wires to operate properly. One is the 10 gage main power line from the battery (via solenoid terminal on the starter), the second is a sensor wire going back to the horn relay junction. With your new wiring, I'd recommend installing a new alternator.

    Good luck with this and know that we like to answer even dumb questions. I think I ask more of them than anybody else.
    LARRY OF THE PACIFIC NW
    1965, 292, TH350
    purchased Nov. 22, 1970

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    VCVC Charter Member Vanner68's Avatar
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    The only dumb question is the one you don't ask.
    Gregg Groff


    There's no place like 127.0.0.1

    1968 Chevy G20 108 panel Now with 454 power!

    1965 Chevy G10 panel- OHC Pontiac inline 6

  10. #10
    VCVC Member Edoz's Avatar
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    I will second the new alternator upgrade. I did the 12si and it's great.

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