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08-09-2020, 03:56 PM | #21 |
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Re: Electrical Issue advice
Take a look at the wiring diagram. I would disconnect one circuit at a time until you find the one which is causing the arc at the battery.
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08-10-2020, 12:07 AM | #22 |
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Re: Electrical Issue advice
What do you mean the ammeter is pegged ? Is it right over on charge or discharge ? Is the engine running or not ? Does the ammeter show some kind of charge when the engine is revved up a bit ? Does the ammeter show a discharge when the headlights are turned ON with the engine stopped ? Please answer all these questions as I am trying to establish if the generator and lighting circuits are working OK. Did you disconnect the ammeter like I suggested earlier? Also disconnect the stop light switch. What is this SIREN, that is not original. Regards, Kevin.
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08-10-2020, 07:46 AM | #23 |
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Re: Electrical Issue advice
No one's asked, so I will. Are we talking about your avitar?? Is this a stock configuration or is this a "hot rod" with aftermarket wiring?? FWIW
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08-10-2020, 07:54 AM | #24 | |
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Re: Electrical Issue advice
Quote:
First....I just pulled the lead wire to the cutout as that was very quick and easy to do and checked at the battery and it still arced!! SO I put the lead back on the cut out and just had a look under the dash. The switch for the interior light is suspect for sure!!! It has electrical tape wrapped around the back of it which I am not happy at all with!!! I also saw a couple of other spots with electrical tape around them that I have to investigate as well!!! As for the Siren......IF you noticed my avatar it is a custom German cabriolet and it has a "bosch" siren on it!! SO that is another item to add to the list along with the brake switch, interior light switch, horn etc etc. ALSO trafficators!!!! The car is running!!!! Running fairly good!!! the ammeter gauge is pegged to the charge side!!! I have not disconnected the ammeter gauge YET!!! I can tell you that everything works except the horn (sometimes- its an issue with the horn not the wiring I know that for sure). The lights work, trafficators, interior lights, they all work, the siren is yet to be hooked to the switch!!! |
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08-10-2020, 07:58 AM | #25 |
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Re: Electrical Issue advice
Yes my avatar.....I didn't realize it looked like a "Hot Rod" "After Market" kind of car?? Stock configuration with 1930's German parade car and 1930 traffic law additions!!!!
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08-10-2020, 08:25 AM | #26 |
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Re: Electrical Issue advice
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IF it helps, here are the pictures of my cutout!!! |
08-10-2020, 10:31 AM | #27 |
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Re: Electrical Issue advice
Looks like you have the wires coming out of the generator hooked up wrong.
There should be a red and black wire coming out of the generator. The red goes to the cut-out and the black goes under one of the cut-out hold down screws to ground. See page 206 of the 1932-37 Service bulletins. |
08-10-2020, 01:21 PM | #28 | |
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Re: Electrical Issue advice
Quote:
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08-10-2020, 03:24 PM | #29 |
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Re: Electrical Issue advice
3brush.jpeg
I'm not real knowledgeable on this but it looks like one wire should come from one of the main brushes to the A side of the cut-out and the other wire should come from the field coil to ground under one of the cut-out screws. This picture of a Model A generator may help. The wire you see going from brush to the stud at the cut-out is the one you want hooked to the A terminal on your cut-out. Last edited by Bob C; 08-10-2020 at 03:37 PM. |
08-10-2020, 10:02 PM | #30 |
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Re: Electrical Issue advice
Well, a picture is worth a thousand words and Bob C is correct How could this happen. You will be lucky if your armature is not burnt out as current is being fed from the cut out battery wire at the front and fed into the generator all the time. Bad mistake here. To fix it remove the generator cover band. Follow the two generator wires into the generator. The one that goes to the main insulated brush holder is the one that goes to the back or A terminal on the cutout. The other wire connects into the field coils and then goes to ground under the cut out mounting screw. Only the battery wire goes to the front of the cutout. Be very careful to fit those terminal insulators correctly otherwise you will short the terminal screws to ground on the cut out cover. You will have to check the third brush setting so start the engine and rev it up some and read the amps charge on your ammeter. It should be only about five amps for daylight running. If its higher than that then adjust the third by pushing it around. Of course your mystery current draw will be gone now when everything is turned off. Post a new pic of your cutout so I can check it. Regards, Kevin.
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08-10-2020, 11:03 PM | #31 |
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Re: Electrical Issue advice
I'm not much of an electrician either, but I think this shows what Bob and Kevin have stated.
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08-11-2020, 08:54 AM | #32 | |
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Re: Electrical Issue advice
Quote:
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08-11-2020, 09:49 AM | #33 |
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Re: Electrical Issue advice
Well it depends who is going to check it. Not all auto electricians or mechanics are conversant with early generators. I suggest that you follow the posted instructions and see how it goes. The third brush inside the generator is thinner than the other two brushes and the wire connected to it goes into the field coils. The other end of the field coils is the wire that goes under the cut out mounting screw to ground. Make sure any wires inside the generator are all clear of the rotating armature. Easy, so go to it. Regards, Kevin.
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08-11-2020, 10:35 AM | #34 | |
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Re: Electrical Issue advice
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08-11-2020, 03:57 PM | #35 |
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Re: Electrical Issue advice
You generator should have a insulated stud and a bus bar (assuming authenticity is key). and the ground is grounded inside the case like a Model A. This was the case in 32-33. In 1934 they used wires coming out like yours has. As others have pointed out it is wired wrong.
Last edited by 35fordtn; 08-11-2020 at 05:15 PM. |
08-11-2020, 04:48 PM | #36 |
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Re: Electrical Issue advice
He disconnected the gen wire and it still arced .it looks professionally wired is this some sort of bypass with a Diode hidden somewhere .I see Koates & Bob is right
Last edited by FlatheadTed; 08-11-2020 at 07:47 PM. |
08-11-2020, 07:49 PM | #37 |
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Re: Electrical Issue advice
Ted, Well yes he did say that when the battery wire was disconnected off the cut out and there was still a current draw and that is a bit of a mystery. Unfortunately we are not there to check it out and the cut out is wired incorrectly so I think the best to do is make the connections correct and try it out. And then we go from there. The cut out looks like an original Ford one with the correct markings. We will see. Regards, Kevin.
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08-11-2020, 08:24 PM | #38 |
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Re: Electrical Issue advice
Yes I agree ,might be fried now ,
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08-11-2020, 08:46 PM | #39 | |
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Re: Electrical Issue advice
Quote:
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08-11-2020, 09:02 PM | #40 | |
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Re: Electrical Issue advice
Quote:
Given the use of Slotted Round head screws rather than the original type hex screws, and the looks of the stampings my guess is that it's a Fun Projects unit. If it indeed is; I would be suprised if it is not cooked by now after being wired the way it is/was... Roclfla, another source of shorting is indeed the horn. Horns up through 1938 supplied power to the horns all the time and the horn button simply supplied the needed ground. Either way that generator and/or cutout needs to be figured/sorted out. PS... Nice fan belt! |
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