How to wire up an electric choke

W

Wildmani

Master Mechanic
Sep 17, 2010
294
28
Brantford, Ontario, Canada
How about this, will this work? I swapped my car from AC to non AC but the compressor wire is still there. Can I run my choke to the compressor wire? If so, should it be the thicker wire or thinner one? Would look good using "stock" wiring.
 
350Cutty

350Cutty

Apprentice
Dec 20, 2018
60
18
Miami, FL
I got a multimeter and went into the fuse box under the steering wheel. Found a live spot without a fuse which got 12v with ignition on and 0v with it off. Think it was the fuse spot for the ac which has been deleted. Ran a cable from there through the firewall, then by the back of the firewall, under and behind the distributor, to the choke. Zip tied it loosely to the vacuum hose so it wouldn't be hanging freely. Now, I don't know if it's wrong or not, but that's how I did it, and it works perfectly.


The other red (or pink maybe?) cable goes to the battery spot on the distributor. But it had been like that since I bought the car. After the pic I routed it with the new choke cable and zip tied everything in a clean fashion.
 
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TURNA

TURNA

Rocket Powered Basset Hound
Jul 24, 2009
11,002
113
Socialist NY
I got a multimeter and went into the fuse box under the steering wheel. Found a live spot without a fuse which got 12v with ignition on and 0v with it off. Think it was the fuse spot for the ac which has been deleted. Ran a cable from there through the firewall, then by the back of the firewall, under and behind the distributor, to the choke. Zip tied it loosely to the vacuum hose so it wouldn't be hanging freely. Now, I don't know if it's wrong or not, but that's how I did it, and it works perfectly.


The other red (or pink maybe?) cable goes to the battery spot on the distributor. But it had been like that since I bought the car. After the pic I routed it with the new choke cable and zip tied everything in a clean fashion.
You did it right, just make sure you put the ground wire on it
 
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Longroof79

Longroof79

Rocket Powered Basset Hound
Oct 14, 2008
10,661
113
Gainesville, Fl
I pretty much did it the same way. Ran a wire from the switched +12 volt source on the fuse panel and also added an inline fuse before connecting to the choke.
Turna is right, an electric choke Holley will need a lead to ground. With a Q-jet, make sure there's no gasket between the (electric) choke pod and carb, or else the choke will not operate properly.
 
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350Cutty

350Cutty

Apprentice
Dec 20, 2018
60
18
Miami, FL
You did it right, just make sure you put the ground wire on it
These come with a ground that is attached to a bolt on the body of the carburetor. So it should ground itself to the engine since it is bolted onto the metal manifold.
 
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TURNA

TURNA

Rocket Powered Basset Hound
Jul 24, 2009
11,002
113
Socialist NY
These come with a ground that is attached to a bolt on the body of the carburetor. So it should ground itself to the engine since it is bolted onto the metal manifold.
thats good
 
Ribbedroof

Ribbedroof

Comic Book Super Hero
Supporting Member
Jan 4, 2009
3,398
113
Wellston, OK
These come with a ground that is attached to a bolt on the body of the carburetor. So it should ground itself to the engine since it is bolted onto the metal manifold.
Assuming there's a ground from the engine to the chassis and from the chassis to the battery.

I have found many electrical issues coming from people not reinstalling the engine to chassis ground, or the battery to chassis ground, apparently thinking a cable from engine to battery is all that's needed.
 
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350Cutty

350Cutty

Apprentice
Dec 20, 2018
60
18
Miami, FL
Assuming there's a ground from the engine to the chassis and from the chassis to the battery.

I have found many electrical issues coming from people not reinstalling the engine to chassis ground, or the battery to chassis ground, apparently thinking a cable from engine to battery is all that's needed.
I'm gonna have to look into that and redo my grounds then. Cause the previous owner ran a whole bunch of cables to a bolt on the intake manifold. Thanks for the tip.
 
Bri guy

Bri guy

G-Body Guru
May 18, 2018
818
43
I had an open spot on my fuse panel under the steering wheel that i plugged the wire into. Then ground to the firewall
 
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