Alternator Conversion Diagram

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Alternator Conversion Diagram

Postby Guest » Tue Jul 29, 2008 10:58 pm

I've made up the following diagram to assist folks changing from dynamo to alternator.

A few things first.

1: Disconnect Battery before you start the work
2: Make sure all new wires are of a suitable rating for the expected loads
3: Make sure car is NEGATIVE earth
4: Reconnect Battery AFTER everything is connected up

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Postby bigginger » Tue Jul 29, 2008 11:03 pm

Excellent idea - being stickified now :D
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Postby Guest » Tue Jul 29, 2008 11:16 pm

Many Thanks Andrew  :D
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Postby mrbenn » Wed Jul 30, 2008 11:48 am

Excellent diagram  8)

Can I ask, what do you have to do in order to get rid if the dynamo box/regulator thing?
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Postby Guest » Wed Jul 30, 2008 12:01 pm

mrbenn wrote:Excellent diagram  8)

Can I ask, what do you have to do in order to get rid if the dynamo box/regulator thing?


Just remove A and AI wires and join them together. The one from E just goes to earth and can be ignored if the box is removed.

Footnote: Please all be advised the actual connections to the control box are as viewed from the REAR. Be sure to check the actual terminal markings on the control box cover when altering the wiring.
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Postby mrbenn » Wed Jul 30, 2008 12:04 pm

I see. Thanks for explaining that  8)
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Postby Guest » Wed Jul 30, 2008 4:17 pm

Same Diagram but control box connections now viewed from the front. Probably less confusing.

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Postby Ajay » Mon Feb 21, 2011 3:39 am

I know this is an old topic but something looks bl##dy complicated with the diagram above. as there is a need to add wires in that are already there.

The large wire with the heavy connector goes to either of the large male connectors on the alternator and the small wire goes to the small male connector

Now move to the voltage regulator.

Disconnect E   This is an earth and I just hooked it to a grounding area to get it out of the way

Remove and join F and D together

Remove AL and A and D and join all together.

And insulate them all. Or all of this could be done behind the voltage regulator with a bit of skillfull bending and soldering of wires.

Everything that glowed or flashed or moved previously will still glow or flash or move. And you haven't had to add any new wires.

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Postby bmcecosse » Mon Feb 21, 2011 8:03 am

It's wise to put in a new main cable (the RED one) since the original cable is a bit marginal for the increased output of the alternator - especially if fitting an uprated unit. And yes - the ignition light connection is generally done as you say.  That's all it is - my alternator runs perfectly well, regulates the voltage to the load etc,  with it disconnected.
 









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Postby DTH » Mon Feb 21, 2011 12:33 pm

I've wired up my alternator according to that diagram and it works a treat (although, it already came with a "red wire" with an eye so that got bolted directly to the solenoid)
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Postby Ajay » Mon Feb 21, 2011 8:26 pm

Ah, I see why I should have added an alternate wire. Thanks BMC. My old starter doesn't have a solenoid as it is of the old direct power type from the early days. Still works but limits the ability to add two power wires from the alternator. And having them joined like I have does give another chance of a failure. I did actually put a second charge wire in direct to the battery and the whole thing stopped charging so I went back to one wire.
Trial and error is a great teacher. As long as I learned.

Thanks Allan
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Postby capitan mikey » Thu Jun 21, 2012 3:58 am

And so if one had an ampere gauge already installed would it now be put into the red wire?
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Postby woodywoodchipper » Thu Jun 21, 2012 7:03 pm

yes ,

but make sure your gauge can read the higher output,

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Postby tysonn » Fri Jul 06, 2012 7:40 pm

Can I please ask someone to clarify this?In Ajays post he mentions disconnecting wires from the control box and joining them together.However he describes joining the wire from the D position twice_______but to different wires!!!!!!!!!
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Postby Big Al » Fri Jul 06, 2012 11:22 pm

tysonn:73264 wrote:Can I please ask someone to clarify this?In Ajays post he mentions disconnecting wires from the control box and joining them together.However he describes joining the wire from the D position twice_______but to different wires!!!!!!!!!


Hi tysonn, welcome to the forum!

I can't help with your question, although I have done the conversion myself (a while back, when I had a memory...)

Looking through the thread I see any diagrams/photos have been lost which doesn't help anyone!!! Has anyone got images that can be added and hopefully not removed later?

Cheers :wink:
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