Help needed with Holley choke please.
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New User
Joined: Mar 2007
Posts: 6
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Help needed with Holley choke please.
Can anyone tell me which terminal on this electric choke is 12v and which is the ground? Neither is marked on the actual terminals or the housing. I notice one of the spades has a slight tab sticking off the bottom, is this a clue?
Elder User
Joined: Nov 2003
Posts: 778
Likes: 2
From: southeast Idaho
On that style it may not make any difference, make sure you have continuity between them so you know the heating element is intact and try the ground on the top one and the 12v on the bottom. I only say that because the top has been hooked up before but the bottom appears unused. I am not 100% on this as I could not locate a cover just like that one to see what the inside looked like. Just keep checking to make sure the hot wire does not start getting hot after you plug it in, if it does, swap it and try again
Former ******
Joined: Feb 2008
Posts: 138
Likes: 0
From: Winder, GA
As WDFP said, it shouldn't matter. However, take an ohmmeter or test light and make sure neither terminal is grounding to the carb. If nothing grounds out, then either terminal is hot, the other is ground. Really simple.
New choke housings have only 1 terminal (hot) and have a built-in ground tab that is pressed against the choke housing.
Looks like an 1850 Holley 600 cfm carb ya got going on a 300-6. My dad ran that setup on his 77 F250 and was really happy with it. Hope it works well for you, too.
Take care.
New choke housings have only 1 terminal (hot) and have a built-in ground tab that is pressed against the choke housing.
Looks like an 1850 Holley 600 cfm carb ya got going on a 300-6. My dad ran that setup on his 77 F250 and was really happy with it. Hope it works well for you, too.
Take care.
Former ******
Joined: Feb 2008
Posts: 138
Likes: 0
From: Winder, GA
Test light...
Clip one end on the battery (or other 12V source), and take the other end and poke each terminal. If neither of them cause the light to turn on, then you can plug the ground on one terminal and the power to the other terminal. If the light glows when touching either (or both) terminals, the choke is self grounding and you'll have to determine which lead is the ground. Again, I don't think this is the case as most 2 terminal chokes are NOT self grounding.
Hope this helps.
Clip one end on the battery (or other 12V source), and take the other end and poke each terminal. If neither of them cause the light to turn on, then you can plug the ground on one terminal and the power to the other terminal. If the light glows when touching either (or both) terminals, the choke is self grounding and you'll have to determine which lead is the ground. Again, I don't think this is the case as most 2 terminal chokes are NOT self grounding.
Hope this helps.
