1 spade vs 2 spade?
Thread Starter
Senior Member
Joined: Mar 2009
Posts: 880
Likes: 1
From: Bloomfield, IN
Car: 87 Camaro
Engine: 305
Transmission: 700R4
1 spade vs 2 spade?
I'm buying an electric choke conversion kit for my Camaro off of Ebay. The 1 spade conversion kits are about $30 cheaper than the 2 spade one. Whats the reason for this? Are the 2 spade caps better for some reason?
Supreme Member
Joined: Sep 2002
Posts: 9,192
Likes: 20
From: Cary, North Carolina
Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi
Re: 1 spade vs 2 spade?
If by spades you mean terminals, I know the 2 spade is a 12v+ wire and a ground. Not sure how in the world a single connector would work, unless the cap is metal, and they assume you can get a ground through the carb. I've never seen a single terminal choke housing.
Is this a stock carb? Thought they all already had electric chokes?
Is this a stock carb? Thought they all already had electric chokes?
Thread Starter
Senior Member
Joined: Mar 2009
Posts: 880
Likes: 1
From: Bloomfield, IN
Car: 87 Camaro
Engine: 305
Transmission: 700R4
Re: 1 spade vs 2 spade?
I'm pretty sure that's the way stock carbs on these cars came, my Trans Am is CCC and it has a 1 terminal connection.
Supreme Member
Joined: Sep 2002
Posts: 9,192
Likes: 20
From: Cary, North Carolina
Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi
Re: 1 spade vs 2 spade?
I have Edelbrock, it has 2 wires for the choke, since the choke housing is plastic it has to have a ground. Most Holley's I've seen are the same. So factory Qjet must get a ground elsewhere rather than on the choke cover.
Thread Starter
Senior Member
Joined: Mar 2009
Posts: 880
Likes: 1
From: Bloomfield, IN
Car: 87 Camaro
Engine: 305
Transmission: 700R4
Re: 1 spade vs 2 spade?
Well my Edelbrock 1406 has 2 as well...I'm kind of stumped as to how this would work but I bought one lol.
Joined: May 2004
Posts: 5,338
Likes: 73
From: Lexington, SC
Car: 1987 SC/1985 TA
Engine: 350/vortec/fitech
Transmission: T56
Axle/Gears: 3.27 9-bolt
Re: 1 spade vs 2 spade?
The factory choke grounds through the choke housing. The plastic cover insulates the choke coil terminal from shorting to ground and bypassing the coil.
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