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Username Post: I need to wire up the electric choke, where???        (Topic#226098)
Black57 
Senior Member
Posts: 542

Loc: Milwaukee, Wi.
Reg: 02-08-04
09-17-09 09:12 PM - Post#1773894    

I have a Demon carb with electric choke... Since I put the carb on, I have had the electric choke wired directly to the battery and I manually connect/disconnect it.
Far from ideal, but if someone tries to steel the car they won't get far because the choke isn't openning but then again I have had a dead battery because I forgot to disconnect the thing.

Where is a ideal place to wire the choke too??

 
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burbdude 
Member
Posts: 468

Reg: 04-08-06
09-17-09 11:29 PM - Post#1773933    
    In response to Black57

tap off the + coil wire as its switched by the key.
http://community.webshots.com/user/55dude


 
wagonman100 
Super Senior Member
Posts: 13553
wagonman100
Loc: Baltimore, MD
Reg: 11-27-04
09-18-09 04:19 AM - Post#1773961    
    In response to burbdude

Any 12 volt source that is on when the key is on and off when the key is off.
Jay
Some days it's not worth chewing through the restraints.

1999 Silverado Z71 4X4 extra-cab short bed
1983 Malibu Fauxmad - tubbed
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1957 210 handyman wagon
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57TOMMY 
Frequent Contributor
Posts: 1215
57TOMMY
Age: 56
Loc: Bay Area , Calif
Reg: 08-19-03
09-18-09 06:01 AM - Post#1774007    
    In response to wagonman100

Run the wire to your fuse box & test it to make sure you get 12 volts when the key is on or it will not work correctly. If you run it to your coil you may not be getting 12 volts.
Tommy
Stand up for what is right ,even if you stand alone.



 
57 Drop Top 
Forum Newbie
Posts: 61
57 Drop Top
Age: 71
Loc: Pearl,MS
Reg: 09-22-04
09-18-09 08:40 AM - Post#1774085    
    In response to burbdude

Directions that come with all electric chokes say to use any "switched" 12 volt source except the coil.
The fuse panel is by far the best choice. Just make sure it only has 12 volts in the ignition on position.
Paul 57 Convertible 502/700r4,68 Camaro 396/375 4-speed


 
HAL_396 
Member
Posts: 2944
HAL_396
Loc: Austin, TX
Reg: 11-16-06
09-18-09 09:32 AM - Post#1774100    
    In response to 57 Drop Top

I just put a new carb on my 66 and the instructions say if it is not a switched 12V source you will burn up the choke coil due to no air flow around it. Also says not to use coil +.
1955 Chevy Custom
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56driver 
"4th Year" Silver Supporting Member
Posts: 338

Loc: Charlotte, NC
Reg: 02-26-06
09-18-09 10:18 AM - Post#1774125    
    In response to HAL_396

I used the "upstream" connection of the ballast resistor.
Jonathan Hines
Charlotte, NC
56 BA 4DR sedan undergoing rebuild


 
cnbell 
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Posts: 8936
cnbell
Loc: So Cal
Reg: 04-14-04
09-18-09 11:25 AM - Post#1774149    
    In response to 56driver

A fused source from the fuse panel is the best location.
Craig

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52chevybob 
Dedicated Enthusiast
Posts: 5628

Reg: 05-27-08
09-18-09 02:04 PM - Post#1774203    
    In response to cnbell

Use the power side of the ign. resisor or the power terminal of the HEI. Short wire and they are both switched 12V lines that aren't on in the ACC position.

 
Old_Longboarder 
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Old_Longboarder
Age: 65
Loc: Long Beach Ca, near Vet's...
Reg: 03-28-02
09-18-09 03:55 PM - Post#1774234    
    In response to 52chevybob

I agree with the feed side of the ballast resistor, if you're still using points and condensor. If not, points..., + side of the ignition coil.

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elvis 
"7th year" Gold Supporting Member
Posts: 858

Loc: Ontario
Reg: 11-10-05
09-19-09 01:15 AM - Post#1774448    
    In response to Black57

Do you have an American Autowire kit installed?
If so, there is an accessory harness that you can run a wire directly into and connect to an ignition source.
Pouring money between the wheels.


 
Black57 
Senior Member
Posts: 542

Loc: Milwaukee, Wi.
Reg: 02-08-04
09-19-09 05:34 PM - Post#1774805    
    In response to elvis

  • elvis Said:
Do you have an American Autowire kit installed?
If so, there is an accessory harness that you can run a wire directly into and connect to an ignition source.


Stock wiring...


 
tjn. 
Contributor
Posts: 882

Loc: louisville, kentucky usa
Reg: 02-16-05
09-19-09 05:45 PM - Post#1774811    
    In response to Black57

Connect it to a source that is hot with the key on, ONLY. TJN

 
acardon 
Senior Member
Posts: 9872
acardon
Loc: DFW TEXAS
Reg: 03-25-05
09-19-09 07:22 PM - Post#1774868    
    In response to Black57

You may have a couple of empty fuse holders that are switched power next to the radio fuse. There ment for accessories like emergency brake warning light, spot light and power antena.
Link to fuse block.
Don
66 Corvair (driving)
57 2dr HT (driving)
56 2dr HT (waiting to be restored)


 
72novaproject 
Senior Member
Posts: 3216
72novaproject
Age: 58
Loc: D/FW Texas
Reg: 02-18-03
09-20-09 07:37 AM - Post#1775061    
    In response to Black57

Ideally you don’t want the choke to get power until the moment the engine starts. Otherwise, if you turn on the key without starting the engine the choke will begin to heat and may open too far for a reliable start. The switched 12V can be run through an oil pressure switch to accomplish this. I know that’s kind of splitting hairs but I thought I would throw it in anyway.

Steve
To each problem exists a solution...now think.

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Brain55 
Frequent Contributor
Posts: 1153
Brain55
Age: 48
Loc: Brentwood, CA
Reg: 07-23-02
09-20-09 08:59 AM - Post#1775101    
    In response to 72novaproject

I used a relay for my electric choke and triggered it off of the alternator. It accomplished the same thing as triggering off the oil pressure switch.

Brian
'55 210 2-door sedan
355 SBC, vortec heads (364HP, 377ft/lbs @ wheels), M-20, 3.70 gears
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rod 
Senior Member
Posts: 1432

Loc: kingman,az
Reg: 04-29-00
09-20-09 04:41 PM - Post#1775312    
    In response to Brain55

i have a question about the electric choke.
does the choke continue to use power once it is fully open?
most of the year i do not need a choke [it was 105 here friday-don't need a choke then!!!!] so i would not need power then. however there are winter days in the 20's, when a choke would be nice.
thanks rod

 
Black57 
Senior Member
Posts: 542

Loc: Milwaukee, Wi.
Reg: 02-08-04
09-20-09 05:51 PM - Post#1775345    
    In response to Brain55

  • Brain55 Said:
I used a relay for my electric choke and triggered it off of the alternator. It accomplished the same thing as triggering off the oil pressure switch.

Brian



What does the wiring schematic look like for that??


 
aawtech 
American Autowire "Site Sponsor"
Posts: 4319

Loc: Bellmawr, NJ
Reg: 09-11-06
09-21-09 06:26 AM - Post#1775561    
    In response to Black57

One thing that everyone has missed here is that it MUST be a fused circuit. Especially with stock wiring! Tapping off of the hot or high tension side of the ballast resistor is fine, however, you must install an inline fuse as the ignition is completely unfused. Electric chokes are somewhat subject to heating up and shorting out. If you do that on an unfused circuit, you dead short EVERYTHING on that circuit and seeing that you are using stock wiring (which has a PVC coating as opposed to GXL), you will have a serious case of "instant napalm" followed by a fire.

Donny

 
Brain55 
Frequent Contributor
Posts: 1153
Brain55
Age: 48
Loc: Brentwood, CA
Reg: 07-23-02
09-21-09 06:49 AM - Post#1775570    
    In response to Black57

  • Black57 Said:
  • Brain55 Said:
I used a relay for my electric choke and triggered it off of the alternator. It accomplished the same thing as triggering off the oil pressure switch.

Brian



What does the wiring schematic look like for that??




You run a fused 12V power constant power wire to #30 terminal on the relay. Run the choke wire to the ouput of the relay. Then a trigger ground on the relay to ground. And then tee into the wire off of the alternator that goes to the alt light on the dash to the trigger terminal on the relay.

Brian

 
ALS57 
Silver Supporting Member
Posts: 596
ALS57
Loc: LONDON-UK
Reg: 08-29-04
09-28-09 09:29 AM - Post#1779627    
    In response to aawtech

  • aawtech Said:
One thing that everyone has missed here is that it MUST be a fused circuit. Especially with stock wiring! Tapping off of the hot or high tension side of the ballast resistor is fine, however, you must install an inline fuse as the ignition is completely unfused. Electric chokes are somewhat subject to heating up and shorting out. If you do that on an unfused circuit, you dead short EVERYTHING on that circuit and seeing that you are using stock wiring (which has a PVC coating as opposed to GXL), you will have a serious case of "instant napalm" followed by a fire.

Donny



Donny
I'll be fitting an AAW kit in my 57 so where do you recommend wiring the choke on your kit? (if as elvis says above, does it need to be fused as well?)
Thanks
Al
57 Bel Air 2 Door Hardtop (being restored)
07 Dodge Magnum R/T


 
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