Choke 12v? - Chevelle Tech
Electrical & Wiring Troubleshooting electrical problems.

 
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post #1 of 14 (permalink) Old Apr 18th, 14, 10:18 AM Thread Starter
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Choke 12v?

I have 70 Malibu. Im installing a street demon carb and I need a 12 volt source. Is the original choke source 12v? IF not, any suggestions on where to connect it?

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post #2 of 14 (permalink) Old Apr 18th, 14, 10:41 AM
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Re: Choke 12v?

Quote:
Originally Posted by Mtume View Post
I have 70 Malibu. Im installing a street demon carb and I need a 12 volt source. Is the original choke source 12v? IF not, any suggestions on where to connect it?

Yes, just grab 12v off of the pink wire going to the TCS relay which you probably not using since you have modified the car. That is fused, so it is protected.

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post #3 of 14 (permalink) Old Apr 18th, 14, 11:23 AM
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Re: Choke 12v?

^^^^

Agreed. Just to clarify, the TCS relay is the little box hanging from the wiring gutter on the firewall above the distributor.

The wire you want to grab is black with a pink stripe.

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post #4 of 14 (permalink) Old Apr 18th, 14, 2:23 PM Thread Starter
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Re: Choke 12v?

Tcs? Is it close to the carb? I need to plug in the pos cable to a point that gives me 12v when ignition is on.

Pic of tcs? 😊

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post #5 of 14 (permalink) Old Apr 18th, 14, 7:18 PM
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Joe
 
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Re: Choke 12v?



Find the black wire with the pink stripe going to this relay. Unplug the wire and splice your choke's power wire onto it.


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post #6 of 14 (permalink) Old Apr 18th, 14, 8:40 PM
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Re: Choke 12v?

Joe is back!! Guessing that's not your car

If you don’t push the limits how are you going to find the weak spots?
USMC- Retired
My car: 1970 Chevelle

Factory 12 bolt /4-Speed Malibu -Dual stage wet nitrous with heater & purge - Holley Strip Dominator, Speed Demon 750 CFM - (All MSD distributor, blaster 3 coil, 6AL, & 3 stage retard) - 4 wheel disk brakes - Aeromotive Fuel system – Boss 338 18’s - BMW 5.25 true HID projector mod - and of course... the FLAPPER - bla, bla, bla.. lots of other expensive stuff I can’t remember
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post #7 of 14 (permalink) Old Apr 22nd, 14, 4:14 PM Thread Starter
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Re: Choke 12v?

Quote:
Originally Posted by aawtech View Post
Yes, just grab 12v off of the pink wire going to the TCS relay which you probably not using since you have modified the car. That is fused, so it is protected.

Donny
Does the TCS relay have 12v when ignition is turned on?



Is this the TCS?


This is the backside:


If this is the TCS and it has 12v on ignition could someone explain in detail how I should do the installation(terryfied when it comes to electronics)?

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post #8 of 14 (permalink) Old Apr 22nd, 14, 9:21 PM
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Joe
 
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Re: Choke 12v?

I'm not sure where the confusing is coming from. Both Donny and I explained what exactly needs to be done to connect an ignition powered 12 volt line to an aftermarket choke.

The pictures and descriptions I provided show what/where the TCS relay is. You took a picture of your high speed blower motor relay.

I don't want to sound condescending, but if you are still unclear, I would try to find a friend or helper familiar with wiring. I realize it might be quite difficult to find someone where you live that is knowledgeable with old American cars, but if they understand wiring, they should be able to use the info provided to get your project accomplished.


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post #9 of 14 (permalink) Old Apr 22nd, 14, 10:13 PM
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Re: Choke 12v?

Love Joe.. all politically correct…..

You tube some stuff and Google things. Finding a switched ignition source is about the easiest thing you can do on these cars. Get a test light or Ohm meter and learn how to use it. Wires on these cars are nothing more than + & -
Dive in and you’ll soon see

Have some confidence and get ‘er done!

If you don’t push the limits how are you going to find the weak spots?
USMC- Retired
My car: 1970 Chevelle

Factory 12 bolt /4-Speed Malibu -Dual stage wet nitrous with heater & purge - Holley Strip Dominator, Speed Demon 750 CFM - (All MSD distributor, blaster 3 coil, 6AL, & 3 stage retard) - 4 wheel disk brakes - Aeromotive Fuel system – Boss 338 18’s - BMW 5.25 true HID projector mod - and of course... the FLAPPER - bla, bla, bla.. lots of other expensive stuff I can’t remember
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post #10 of 14 (permalink) Old Apr 22nd, 14, 10:51 PM
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Ron
 
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Re: Choke 12v?

I just ran a wire from the fuse box to the choke from an unused fuse out put that is hot when the ignition is on. The fuse box in the 66 is marked to show it. Works on the Edelbrock 1406 carb pretty well.

66 Malibu Coupe, home rebuilt 350. Took me 39 years to get her!
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post #11 of 14 (permalink) Old Apr 24th, 14, 6:48 AM Thread Starter
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Re: Choke 12v?

Sorry one more(stupid?) question: If I dont connect the wire/choke is the choke then off or on all the time?

I have´nt plugged it in yet but the car start instantly and runs steady so I´m thinking of not connecting the choke. Unless that means that the choke is constantly on.

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post #12 of 14 (permalink) Old Apr 24th, 14, 9:28 AM
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Re: Choke 12v?

Closed. Full choke. Just like it is in the box.
John

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post #13 of 14 (permalink) Old Apr 24th, 14, 2:29 PM Thread Starter
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Re: Choke 12v?

Quote:
Originally Posted by phocksphyre View Post
Closed. Full choke. Just like it is in the box.
John
I take it I should install/wire it then?

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post #14 of 14 (permalink) Old Apr 24th, 14, 4:32 PM
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Re: Choke 12v?

Quote:
Originally Posted by Mtume View Post
I take it I should install/wire it then?
Yes.

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