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If i hook up an accessary does it matter which side of the ammeter it goes on?
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technically, no.
But if you want the ammeter to show the load, hook on the downstream side
depends what you want -
Here's a wiring diagram. Connect to the yellow with black stripe so the drain will show on the ammeter when the engine is off.You do not have permission to view this gallery.
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after all the vibrations, death wobble , fouled plugs , engine mount issues, I can finally look at dash without a pile of sweat and tears that my ammeter is showing reverse of what exactly what's happening . 12V alternator showing discharge all the time when engine running, was thinking if I reversed connections ? or this won't work anyway with Alternator ?05-23-2019, 06:54 AM -
The ammeter worked, but on the last drive it looks like it is going out.
30 coupe, 6v alternator with 12v ps. After starting the meter would show 10a charge and drop to 2 or 3 after a bit. Turning lights on would cause higher reading. With engine off, it would show negative with lights on.
Now it shows near 10 running and 0 when off, even with lights on.
Many...09-23-2018, 02:23 PM -
my ammeter is reading discharge when running,when not running and lights on it reads full charge.genorater rebuilt by pro new cut out same time,only 500 miles.was working fine.genorater is putting out.help!...08-08-2018, 08:56 AM -
Can anyone out there know what changes are necessary to the attached wiring diagram if wiring the A for 12 VDC Neg ground?
Is there a 12 VDC wiring drawing available?
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This gallery has 1 photos.08-19-2019, 06:55 PM -
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For a number of years I've been running a 6V positive ground Alternator with an older repro 20 amp ammeter. I've never had any problems. I have the instrument panel off for re-plating. For safety sake, should I switch to a 30 amp ammeter? If so, now's the time to do it.05-24-2020, 09:56 AM -
I have been told that the Van Pelts and other 1933-36 v8 spark plug wiring diagrams are WRONG. The physical locations of the wire connections are WRONG but will be 90 degrees out of phase.. Spark plug wire should be plugged into the molded numbered sockets regardless of their physical locations on the end plate..
I guess I was the first guy that ever tried to use these diagrams....hard to believe!...04-08-2018, 02:09 PM -
I retrofitted my A to 12 V Neg, changed original ignition to modern 3 pole. no problems , but I doing a little winter maintenance and noticed that yellow /black wire from alternator positive goes into junction box , seems normal for this . But I also have a 10 gauge wire from alternator post to positive battery post. I am thinking after all the fooling around trying to get this working ,,,pulley....02-18-2019, 11:18 AM
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Is there a diagram of the wiring harness forward of the firewall? What wires go where?11-21-2019, 04:12 PM -
Hi all,
The restoration continues... does anyone know where I can find a complete vehicle-wide 12-volt wiring diagram? I've been searching all over the web and I've found several parts of the info, but not a complete one and a couple conflict with one another. Any assistance is appreciated. Thanks.
Pat09-06-2017, 08:59 AM
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