Hey, Randy, you coming to MM WEST/East. ?

BIG AL

Just to be clear here, you CAN have a negative ground car with a generator.  You do NOT have to change to an alternator for negative ground conversions.  Don't let that be part of your decision making process.  In addition to Jemal's video mentioned earlier, there are a couple of tech articles on this site which discuss the ground conversion. 

If you really, really want the car to be positive ground because it originally came from the factory that way... fine.  However, you might want to start putting the "Warning, this vehicle wired for positive earth" stickers on the car.  People today are NOT expecting positive ground and may do damage to their car or yours should you ever need or help with jump starting.
Link to warning label picture:  https://mossmotors.com/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/2/1/215-010_1.jpg

Also FYI, on the traditional top post batteries the POSITIVE battery terminal is larger in diameter to prevent hooking up the battery "wrong".  Battery cable colors coding doesn't help when the battery is buried in the boot AND when the factory ran a big, black cable from the battery to the starter solenoid's "hot" terminal.  In Lucas wiring, solid black colored wires are always earth grounds... except for the battery cables.

After 50 years I would be careful to check that the chosen generator is indeed still + earth/hasn't been converted to neg..  (think radios/tachos/satnav/mobile phone chargers...

You could go negative ..and just paint a + sign on the negative battery terminal to satisfy the anoraks

Cheers, Ian

Thanks for the insight. After I posted this I found a YouTube that Jemal posted for a '67 Moke conversion. Looks straight forward. I'm keeping this as original as possible so generator for now.

For what it's worth, my Jan. built '67 Traveller is positive ground. I updated my '64 Countryman to negative ground with an alternator. I just have to be careful to hook up the positive grounded battery correctly! Randy

You can have it either way, I switched my 62 mini to negative ground but I did an alternator at the same time. You have to switch the coil leads, and tach if you have one. Your negative diagram should cover it all.

tagus..  I am thinking it was positive ground..  ?/  you  might  contact BMHT and ask archives just to be sure..  

I'm at the point of wiring my '67 Moke. In researching wiring diagrams I find variations on the Mini showing both positive and negative grounding. Which would be correct? I would prefer negative if it doesn't matter.