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+--- Thread: 6v Battery Conection (/showthread.php?tid=4583)
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RE: 6v Battery Conection - Reckless Rat - 26-06-2020
If the coil is marked + and - it will give a clue as to polarity. The wire going to the distributor will indicate which is earth...
RE: 6v Battery Conection - David Stepney - 26-06-2020
Once again, Wyatt appears to come to the rescue! It appears that the positive earthing system was introduced on 6th December 1935 at chassis no: 236210. So, Stuart, if your chassis number is before this, you are on negative earth. If after this, its positively positive!
RE: 6v Battery Conection - Colin Wilks - 26-06-2020
Interesting article here on how to determine which way the car is wired, assuming your coil is connected up to the distributor as ever it was when it was running.
https://mgaguru.com/mgtech/ignition/ig104.htm
RE: 6v Battery Conection - flywheel1935 - 26-06-2020
My 1935 ARQ Ruby, is and always has been Negative Earth.
RE: 6v Battery Conection - andrew34ruby - 26-06-2020
My 1934 ARQ Ruby, is and always has been Negative Earth.
RE: 6v Battery Conection - Pearls not a Singer - 26-06-2020
My Sept 1934 Ruby ch 198885 was positive earth. So if original, there were positive earth rubies ?
RE: 6v Battery Conection - andrew34ruby - 26-06-2020
(26-06-2020, 07:52 PM)Pearls not a Singer Wrote: My Sept 1934 Ruby ch 198885 was positive earth. So if original, there were positive earth rubies ?
There were negative earth Rubys, then positive earth Rubys, but in Sept '34 yours would be negative.
RE: 6v Battery Conection - AustinWood - 27-06-2020
The polarity doesn't matter very much. Maybe connect the battery, don't turn on the ignition but switch on something. Maybe horn or lights. If the ammeter goes the wrong way then reverse the battery terminals.
RE: 6v Battery Conection - Ian McGowan - 27-06-2020
"The polarity doesn't matter very much. Maybe connect the battery, don't turn on the ignition but switch on something. Maybe horn or lights. If the ammeter goes the wrong way then reverse the battery terminals."
Agreed +1