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Old 05-01-2006, 01:02 AM
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electric choke

i was wondering if it is possible to run the hot lead to my choke off the field exciter wire on my alternator. other than that i cant think of any other switched 12 v source. there used to be a fuel pump relay maybe i can run it off that, but i dont know if the choke will draw too much current for the switched 12v on the electro magnet side of where the relay was. any suggestions?

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Old 05-01-2006, 04:51 AM
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Doc here,

That IS the stock method for a GM SBC, (couldn't tell ya on a Ford..)

Use a proper relay, Coil power to come from the Alternator Field, The ground side of the coil to a hard ground.

Relay normally open Contact to a fused 12 volt source and the Center wiper to the choke heater element.

In this configuration, the choke only opens on a running engine..not while it sitting with the key on while you do other things like wipe windows etc..starting a cold engine on a full open choke..Defeating its purpose.

Doc
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Old 05-01-2006, 08:03 AM
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give at least a clue what the carb/motor/car is???? for an answer
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Old 05-01-2006, 08:23 AM
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Doc here,

Well, just judging by his avatar , and the quote " I Love VTEC" I'm assuming GM..

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Old 05-01-2006, 09:07 AM
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doc
LOL...good grief!...IF there is only one near absolute on this board....it's "assume nothing" on any question

I asked cause he "can't" find any 12v ignition on source in the engine bay???
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Old 05-01-2006, 10:24 AM
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lol i really do love vtec, but its a 92 camaro with a 327 and a holly 670 cfm street avenger. this car was origionaly equipped with a tbi 305, but i removed most of the wiring. i know i could do it with a relay off of the exciter, but i was wondering if i could run the choke directly off of the exciter. i dont happen to have a relay on hand, and i dont feel like running to radio shack, but i will if i have to.
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Old 05-01-2006, 10:49 AM
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go thru your supplies (connectors/shrink tube/solder/etc) before the RS relay trip?...lunch (out) and RS relay? make a "positive" trip....agree I hate to shop!
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Old 05-01-2006, 11:22 AM
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oh well i just came back from radioshack. thanks for the tips guys
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Old 05-01-2006, 05:20 PM
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Quote:
Originally Posted by red65mustang
doc
LOL...good grief!...IF there is only one near absolute on this board....it's "assume nothing" on any question

I asked cause he "can't" find any 12v ignition on source in the engine bay???
Doc here,

You do not want to hook it up directly to a 12 volt switched source in the engine bay..It CAN defeat the purpose of having a Choke at all..

If you leave the key on, while you strap in the Kids, wipe the windows of fog, and scrape Ice..The Choke will open the first time it is throttled, and slips the detent.

You Will end up with hard start..and possibly "winter Battery" Syndrome..(goes dead before it will fire.)

An electric choke will open after about 3 minutes of constant power applied to the element. Takes longer than that to "yell": "Don't you Kids make me come back there!"

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Old 05-01-2006, 05:24 PM
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Quote:
Originally Posted by njbloodline666
lol i really do love vtec, but its a 92 camaro with a 327 and a holly 670 cfm street avenger. this car was origionaly equipped with a tbi 305, but i removed most of the wiring. i know i could do it with a relay off of the exciter, but i was wondering if i could run the choke directly off of the exciter. i dont happen to have a relay on hand, and i dont feel like running to radio shack, but i will if i have to.

Doc here,

Use a Relay..If anything happens to the Choke wire (and they short to tools, and the carb body all the time..) It CAN damage the Alternator, and harness..

Besides that, It is the recommended procedure for GM.

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Old 05-01-2006, 05:46 PM
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Quote:
Originally Posted by njbloodline666
oh well i just came back from radioshack. thanks for the tips guys

Doc here,

Uhhht ohhh..Stand back..

Back away from the breaker Bar and Nobody will get hurt..

"You've Got questions? "
"We've Got "....
  • Cell Phones
  • Battery's
  • Dish Network Subscriptions
  • Phones for work and play
  • Computer cables for something..
  • ADT alarm systems and subscriptions..
  • Home theater Systems
  • DVD players
  • Game Boys
  • Ipods

"A relay??...uhhh..Like what's that?.."
"Dude..Does it like go in a Cell phone?..."
"let me call my Manager dude.." (please speak into the clowns face..)

And he calls the manager wherever they store them..Manager Pergotory..on the phone..Who Say's:

"It would help if you knew the part number, and where it's located at.."
"An automatic switch? In the drawers in the back.."

"Dude..Supersize that relay for ya? .." Please pull up to the next counter and pay the teller.., Thanks for Visiting "Jack in the shack"..have a nice day.."

Most of those guy's aren't the sharpest Crayons in the box... I just hate going there unless it is absolutely necessary..

Well, have a brew, Cool down, and hook up your Supersized relay...

Doc
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Old 05-01-2006, 07:14 PM
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i must have something hooked up wrong at the solenoid, my exciter wire is hot at all times!!! i will address that problem shortly, but for now i have the relay hooked up to something. i found a stub of a wire that was hot with the key on. when i went to radio shack, i didnt even ask for help...i just went right to the drawers in the back, some of thoes people are useless. and oh yeah i dont have any kids...at least none that i know about so im not that worried about it. my car is all jury rigged anyway. when i installed the dizzy it was 180degrees out, so instead of pulling it and reinstalling it...i just flipped the ignition wires 180 degrees...hey its my car, im the only one that has to fix it.
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Old 05-01-2006, 07:29 PM
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Doc here,

The Field wire is NOT the big wire going to the solenoid..It is the one going to the Idiot lamp The Brown wire....It will go on and off with the key (engine not running) ..

So you need to find that wire.


Disregard the extra red (81 only) not used for your system.

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Old 05-02-2006, 12:16 AM
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oh i thought it was the thin red wire next to the brown one, i thought the brown one was strictly for the gauge. thanks for the diagram
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Old 05-02-2006, 05:33 AM
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Doc here ,

No sweat

Keep us updated!

Doc
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