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12V charger Socket fitting with dynamo
https://ausmini.com/forums/viewtopic.php?f=2&t=94532		 Page 1 of 1
Author:  niffty64 [ Sun Jan 01, 2017 7:36 am ]
Post subject:  12V charger Socket fitting with dynamo
thanks in advance
just finding out if there any issues with connecting a 12V Cigarette Lighter Socket to a car with a generator/dynamo and positive earth?
i want to use it to keep GPS charged or a crash cam.
anyone had any problems with the fluctuating voltage? (don't want to damage GPS unit)
obviously the wiring will have to be set up for the red wire positive earth
I have an adaptor with red and black wire with plastic insulted body. so it should straight forward to connect
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Author:  peterb [ Sun Jan 01, 2017 7:50 am ]
Post subject:  Re: 12V charger Socket fitting with dynamo
Shouldn't be a problem with it, most modern units can handle fluctuations and I doubt the system will ever put out too much power. Have you concidered changing it to negative earth, no parts or modifications involved and you can swap it back at any time.
Author:  niffty64 [ Sun Jan 01, 2017 8:19 am ]
Post subject:  Re: 12V charger Socket fitting with dynamo
peterb wrote:
Shouldn't be a problem with it, most modern units can handle fluctuations and I doubt the system will ever put out too much power. Have you concidered changing it to negative earth, no parts or modifications involved and you can swap it back at any time.


thanks peter. i think i would only consider changing over if i was to fit a alternator.
I would like to leave the generator just to keep it original.
i don't intend on adding any other electrical items such as radio or heater so it shouldnt be a problem
Author:  DavidE [ Sun Jan 01, 2017 8:44 am ]
Post subject:  Re: 12V charger Socket fitting with dynamo
niffty64 wrote:
peterb wrote:
Shouldn't be a problem with it, most modern units can handle fluctuations and I doubt the system will ever put out too much power. Have you concidered changing it to negative earth, no parts or modifications involved and you can swap it back at any time.


thanks peter. i think i would only consider changing over if i was to fit a alternator.
I would like to leave the generator just to keep it original.
i don't intend on adding any other electrical items such as radio or heater so it shouldnt be a problem


My Deluxe is running a generator and has been converted to Negative earth. You don't need to replace the generator with an alternator.
Author:  niffty64 [ Sun Jan 01, 2017 9:03 am ]
Post subject:  Re: 12V charger Socket fitting with dynamo
DavidE wrote:
niffty64 wrote:
peterb wrote:
Shouldn't be a problem with it, most modern units can handle fluctuations and I doubt the system will ever put out too much power. Have you concidered changing it to negative earth, no parts or modifications involved and you can swap it back at any time.


thanks peter. i think i would only consider changing over if i was to fit a alternator.
I would like to leave the generator just to keep it original.
i don't intend on adding any other electrical items such as radio or heater so it shouldnt be a problem


My Deluxe is running a generator and has been converted to Negative earth. You don't need to replace the generator with an alternator.


The positive earth isn't the issue. what i was concerned about was the fluctuating voltage.and where the best place to wire into the circuit. :D
Author:  peterb [ Sun Jan 01, 2017 9:52 am ]
Post subject:  Re: 12V charger Socket fitting with dynamo
main lead from battery, maybe through switch/fuse.
Author:  AJ [ Sun Jan 01, 2017 12:02 pm ]
Post subject:  Re: 12V charger Socket fitting with dynamo
Connect black wire (-ve) to fuse (21) same side as the green wires connect to .This fuse is switched by the ignition switch . Connect red wire (+ve) to earth :D .

Edit : Most electronic equipment these days have internal voltage stabiliser circuit and polarity protection
Author:  niffty64 [ Sun Jan 01, 2017 1:14 pm ]
Post subject:  Re: 12V charger Socket fitting with dynamo
AJ wrote:
Connect black wire (-ve) to fuse (21) same side as the green wires connect to .This fuse is switched by the ignition switch . Connect red wire (+ve) to earth :D .

Edit : Most electronic equipment these days have internal voltage stabiliser circuit and polarity protection


thanks AJ
exactly what i needed :D
Author:  Phil 850 [ Sun Jan 01, 2017 8:48 pm ]
Post subject:  Re: 12V charger Socket fitting with dynamo
AJ wrote:
Connect black wire (-ve) to fuse (21) same side as the green wires connect to .This fuse is switched by the ignition switch . Connect red wire (+ve) to earth :D .

Edit : Most electronic equipment these days have internal voltage stabiliser circuit and polarity protection


We fitted a 12V socket fitted to my daughters 850 with positive earth.
I wrongly assumed the the Garmin GPS would have polarity protection, it didn't :(
If yours is a 2 wire socket, connect it around the correct way, just to be sure :wink:
Author:  Bubbacluby [ Mon Jan 02, 2017 4:36 pm ]
Post subject:  Re: 12V charger Socket fitting with dynamo
I am running a generator on my moke and have a cigarette lighter connected up. I run my GPS, charge phones etc without issue.

It has been changed to negative earth though.

Don't think it would work and it would cause problems if still positive earth.

Sent from my SM-G935F using Tapatalk
Author:  niffty64 [ Mon Jan 02, 2017 7:08 pm ]
Post subject:  Re: 12V charger Socket fitting with dynamo
Bubbacluby wrote:
I am running a generator on my moke and have a cigarette lighter connected up. I run my GPS, charge phones etc without issue.

It has been changed to negative earth though.

Don't think it would work and it would cause problems if still positive earth.

Sent from my SM-G935F using Tapatalk


when i purchased the cigarette lighter socket i chose one with a plastic body so the body wasn't earth and just wire it so the red wire was earth job done.
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