Wire up ignition and choke

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B RON CO
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Wire up ignition and choke

Post #1 by B RON CO » Fri May 19, 2017 8:44 pm

Hi, so this weekend we are putting the two barrel head upgrade on the Bronco. I'm thinking of using 2 generic relays to power the HEI and the choke. My question is will the old resistor wire to the coil provide enough voltage to control the relays, or do I need to run a new wire from the ignition switch. Thanks
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1933 Ford Pickup - 59A Flathead V8
1966 Ford Bronco - U14 - 170/200 Straight 6
1966 Ford Mustang - 289 V8

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Re: Wire up ignition and choke

Post #2 by 1966Mustang » Fri May 19, 2017 10:23 pm

I believe if you have 12V from that wire you can use it. If not, you have to bypass it.
'65 Mustang Coupe, C4, DUI, CompCams 260, Addco 1", StreetOrTrack Front Bilstein Coilover System, Bilstein Rear Shocks, 4-1/2 leaf springs.

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Econoline
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Re: Wire up ignition and choke

Post #3 by Econoline » Fri May 19, 2017 10:26 pm

It may, but I'd run a new wire. Even if the relay makes, its hold could be weak and may result in early failure via contact arcing etc.
Respectfully,

Seth

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Re: Wire up ignition and choke

Post #4 by chad » Sat May 20, 2017 6:27 am

i've used the stator lug on the alt for the coke (not needed but i put a lill inline fuse in it).
But this may not wrk 4 ur situation.
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Re: Wire up ignition and choke

Post #5 by B RON CO » Sat May 20, 2017 8:13 am

Thanks, thats what I thought, just wasn't sure what you guys are doing. I'll go with full 12 volts to run the relays. Thanks for the input, Ron
B RON CO. Still workin' on it!

1933 Ford Pickup - 59A Flathead V8
1966 Ford Bronco - U14 - 170/200 Straight 6
1966 Ford Mustang - 289 V8

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Econoline
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Re: Wire up ignition and choke

Post #6 by Econoline » Sat May 20, 2017 10:42 am

If the choke is an oem type it should probably go to the stator lug, it's close by, but it's going to work either way.
Respectfully,

Seth

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Re: Wire up ignition and choke

Post #7 by wsa111 » Sat May 20, 2017 2:18 pm

chad wrote:i've used the stator lug on the alt for the coke (not needed but i put a lill inline fuse in it).
But this may not wrk 4 ur situation.

You are aware the stator voltage is around 8 volts. Ford used this on most if not all choke housings.
Replace the choke housing with a Holley which was designed for 12+ volts.
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