Wiring an electric choke......

Discussion in 'Wrenchin' Secrets' started by Paul Stewart, Mar 24, 2018.

  1. Paul Stewart

    Paul Stewart Well-Known Member

    I need to run a wire through the firewall for my electric choke conversion. Where is the best place to do so as I don’t want to create a new one. Thanks in advance!
     
  2. 1973gs

    1973gs Well-Known Member

    Use an empty cavity in the bulkhead connector. There are many unused cavities to use. Plus, if you do it that way, the wiring can go into the factory loom and nobody will see it. You can get the factory style terminals online or at NAPA. I ran the majority of my wiring that way.
     
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  3. Paul Stewart

    Paul Stewart Well-Known Member

    That sounds good and would tie into the ignition terminal where I want to connect to..........

    Thank you!
     
  4. Paul Stewart

    Paul Stewart Well-Known Member

    OK, so I have removed the engine side bulkhead, but I don't see how to get the wire through to the other side????
     
  5. 1973gs

    1973gs Well-Known Member

    You need to get the terminals. You should just be able to pick an empty one on the engine side, crimp a terminal on your wire and push it in to the empty cavity. You may have to clean out some of that sealer to see a cavity. Then find the corresponding cavity on the car side and crimp a terminal on the wire and push it in. You will need to unbolt the fuse box from the fire wall to gain access from the inside. The inside terminals are female and the outside terminals are male.
     

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  6. Paul Stewart

    Paul Stewart Well-Known Member

    10-4, I will have to remove the inside bulkhead too then. Do you have a part number or link on the connectors? ;)
     
  7. 1973gs

    1973gs Well-Known Member

    I do not have a part # handy. I can get them from work, but I'm on sick leave for another 5 weeks so it will be after I return. You can find them online, just Google GM Packard terminals. I know that NAPA stocks them and they are listed in their catalog. There are several different sizes, depending on what wire size that you have. There are also special crimpers for those terminals, but I have seen people crimp them with regular crimpers and solder them, but I don't recommend this on most circuits. It may be alright for just a choke wire, but I would get the proper tool for any ignition or power circuit.
     
  8. techg8

    techg8 The BS GS

    there is a vacuum hose coming thru the firewall I believe it is for the hot water valve. I have put the wire through the same grommet before.
     
  9. gstewart

    gstewart Well-Known Member

    is it possible to locate a source that supplies power only when u start or attempt to start the car?
     
  10. Paul Stewart

    Paul Stewart Well-Known Member

    That is why I want to get it to the ignition terminal in the fuse box/bulkhead.......
     
  11. buick64203

    buick64203 Buick Hunter Staff Member

    Man, you guys really make it hard on yourself taking all that stuff apart just to run a single wire to a choke. Find the spade terminal on the fuse box that's hot when you turn the key on. Run a wire off that through the grommet like Ken suggested and call it a day. I'd have to look at the wiring diagram to see if that spade is fused. I'd run a 10A inline fuse on it just be safe
     
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  12. Paul Stewart

    Paul Stewart Well-Known Member

    Does that come in just under the wiper motor and next to/below the throttle cable?
     
  13. buick64203

    buick64203 Buick Hunter Staff Member

    Yes. Big rubber gromment
     
  14. Paul Stewart

    Paul Stewart Well-Known Member

    10-4, thanks. Now I have a decision to make.

    Also, I will be adding aftermarket gauges. Water Temp/Oil Pressure/Alt, going to have to find a hole for those as well? Not to mention the eventual hood tach........... ;)
     
  15. telriv

    telriv Well-Known Member

    Wire it through the wiper motor on the outside.
     
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  16. 1973gs

    1973gs Well-Known Member

    Just so it doesn't end up looking like this.
     

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  17. Paul Stewart

    Paul Stewart Well-Known Member

    Been to NAPA and Autozone, no luck on the connectors? Had GM part numbers and everything, guess I will go to my largest GM dealership tomorrow and try.......
     
  18. 1973gs

    1973gs Well-Known Member

    They're Packard type 56 terminals.
     
  19. Paul Stewart

    Paul Stewart Well-Known Member

    Yep, that and factory GM part numbers turned up a big NOTHING at either stop.....
     
  20. 12lives

    12lives Engage! - Jean-Luc Picard

    You should have an extra yellow(?) wire on your wiper motor. It works with ignition. Like Tom said -
     

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