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10-04-2019, 04:49 PM | #1 |
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Ballast resistor getting real hot
I have a 38 ford tudor with the V860 engine. Previous owner said it was converted to 12 volt and was kinda. 12 Volt battery and thats about it. I replaed the voltage regulator with a 12 volt, the light bulbs, condensor etc.. I've been having trouble with ballast resistor getting really hot. I had to disconnect the battery. My lights also quit. Any ideas as to what I'm doing wrong? Sorry but I've never converted one over and I sure don't want to burn my car up. ANy help much appreciated.
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10-04-2019, 05:06 PM | #2 |
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Re: Ballast resistor getting real hot
Ballast probably is a .6 factory ford , 12 volt needs at least 1.5 ohm, and even then they do get hot .
For a perfect system you need a 1.5 ohm coil and a 1.5 ohm resistor.........OR a Bosch Blue 3.0 ohm coil # 00012 then you wouldnt need any ignition resistor......... |
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10-04-2019, 05:19 PM | #3 |
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Re: Ballast resistor getting real hot
Thanks Bubba's ignition. I'll look into that.
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10-04-2019, 05:20 PM | #4 |
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Re: Ballast resistor getting real hot
Jseery it looks like a stock 6 volt. I need to check the out put. I really don't know why it has a voltage regulator but it does. I just changed it to 12 volt.
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10-04-2019, 05:30 PM | #5 |
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Re: Ballast resistor getting real hot
Bubba will this work? Not sure if it's 1.5 OHM or not.
https://www.macsautoparts.com/ford_m...amps-ford.html |
10-04-2019, 05:31 PM | #6 |
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Re: Ballast resistor getting real hot
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Last edited by wahoo54; 10-04-2019 at 06:17 PM. |
10-05-2019, 07:10 AM | #7 | |
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Re: Ballast resistor getting real hot
Quote:
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10-05-2019, 12:15 PM | #8 |
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Re: Ballast resistor getting real hot
Thanks Bubba!
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10-04-2019, 05:09 PM | #9 |
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Re: Ballast resistor getting real hot
What are you using for a generator? What is the voltage out of the generator to the battery and rest of the system? What type of ballast resistor are you using? A 38 would not have had a voltage regulator originally, it would have used a cut-out, so something was changed there.
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10-04-2019, 08:14 PM | #10 |
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Re: Ballast resistor getting real hot
Jseery what would require a person install a voltage regulator?
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10-04-2019, 05:35 PM | #11 |
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Re: Ballast resistor getting real hot
Bubba has had some very severe health issues and is only working part-time at best.
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10-04-2019, 06:15 PM | #12 |
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Re: Ballast resistor getting real hot
Oh so sorry to hear that. I do appreciate his advice on here. Thanks Bubba!
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10-04-2019, 08:24 PM | #13 |
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Re: Ballast resistor getting real hot
A two brush vs a three brush generator. The earlier generators just used a cut-out, somewhere in the 39 model year Ford switched to the Voltage Regulator generators.
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10-04-2019, 08:36 PM | #14 |
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Re: Ballast resistor getting real hot
That makes sense. I bet it's a newer generator. When I hook the battery back up I'll check it's output. Thanks!
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10-04-2019, 08:53 PM | #15 |
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Re: Ballast resistor getting real hot
Per Flat Ernie - "you can use the 6V field coils if they ohm out below about 4 ohms. If they're higher than that & you pull max current through them at 12V, you MIGHT lose some solder from the commutator & it MIGHT destroy your armature. But I've converted many from 6V to 12V simply by using a 12V VR"
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10-04-2019, 09:18 PM | #16 |
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Re: Ballast resistor getting real hot
Good info Jseery. Thanks.
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10-04-2019, 09:20 PM | #17 |
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Re: Ballast resistor getting real hot
Still can't figure out why my lights won't come on and the ballast resistor is getting so hot. It wasn't before and I drove it around town several days with no problem. Then suddenly the other night the lights just went off and the car died. I turned the lights out and managed to get it started and it runs ok. Just no lights and the wiring gets real hot at the BR.
Last edited by wahoo54; 10-04-2019 at 09:29 PM. |
10-04-2019, 09:33 PM | #18 |
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Re: Ballast resistor getting real hot
How is the car wired up, does it have a CB or a Fuse on the lighting circuit? And do the tail lights work, instrument lights? Are the lights controlled by the steering column light control switch? Ford with to a CB and dash mounted lighting control switch in 1940, but things can be a bit mixed up between the years.
Last edited by JSeery; 10-04-2019 at 09:39 PM. |
10-04-2019, 11:07 PM | #19 |
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Re: Ballast resistor getting real hot
It has a one fuse. Instrument lights work but tail and brake don't. Yes they're controlled by the steering column light control switch. It's a standard not a deluxe so only the minimal things. I replaced the fuse once but the second time the lights wouldn't come on. Maybe a burned wire?
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10-05-2019, 04:35 AM | #20 |
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Re: Ballast resistor getting real hot
Were the bulbs changed to 12 volt or are they burned out with the 12 Volts ? just a thought!
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