1964 TR4 - Part 23 - Generator To Alternator Conversion

Let's wire the Alternator that we replaced the generator with.

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[michaelreillyesq]

The owner of this beauty is a lucky guy. You have improved it tremendously. The engine runs like a Swiss watch

[davidberlanny]

Very well explained, I could follow you at every step. Look forward to the next one.

Good luck from Spain!!

[johnfalkenstine]

Very well done! I drove an early TR4 in Georgia in 1972. It failed the first inspection because the driver's window was cracked. So I rolled it down and said. "This car has no side window on the driver's side." Got the inspection sticker.

[garysweetland]

The only thing I could add to your wonderful wiring is the spade connections on the back of the alternator are only rated at 32A. The Lucas ACR alternator pumps out a lot more under heavy load (45A-50A depending on model) and this is why it has two 32A connectors on the back. Cars of the period with the Lucas ACR alternators, normally had two 12 gauge wires (or larger) connected to the battery side of the solenoid, to get the closest connection to a heavy battery lead for the alternator. If you have a low battery and the headlights on, the single spade will most likely burn out.😵‍💫

[pda]

Great stuff Elin.. That's a really great idea that even I could manage without opening the door to Mr Cockup..

[johnmalone]

Great video Lin. You make everything understandable. Thanks

[andyday]

A alternator charges the battery up as well you can use the battery to start the car and if you take the battery away or and connect the battery away from the terminals the car will still function without the battery when you take it away when you have start it up

[omphaloskeptic]

Elin, great explanation of the proper changeover to alternator; thank you.
As to the water temperature gauge mystery, I briefly went back to episode 3 to see if there was possibly a polarity issue with the temperature sensor due to the conversion; I didn't spot any discussion of that. I do however, wonder if there is still possibly an issue with a small grounding issue in the wiring harness that you may have missed? Testing the water temperature sensor out of the car may help answer that question. I'm no pro, so I don't lol

[BruceBoschek]

Good, clear thinking well explained. Thanks, Elin!

[peteredwards]

Fantastic information as usual great channel great video great guy

[hubertcordonnier]

Nice video ! Thanks I am doing the same work on my TR4 (in France). I didn’t see what you do with the brown and green wire who goes from the ignition switch to A1 .

[robertharrison]

Know people will not like this, but it is sad, after so much work to maintain the original look. Generators can be rebuilt, there are places that will keep the original case and convert the generator to an an alternator and increasing the capacity. I would hope you will consider looking into that in the future. Advantages are you get to keep the original brackets and mounting hardware. I would have kept the generator and leave it positive ground.

[shoxx]

Hey Elin great video!!

I tried myself to change from generator to alternator in my GT6 MK1.

But I only have one terminal each on my control box… how do I do the wiring now?

[nigelbarton]

Good job on the alternator Elin, nice and neat and looks original. I still think you have a carb issue, during that first start up it struggled to run on more than 2 cylinders for a while and it’s doing the same now. I know you took the tops off and checked diaphragms etc, but have you taken float bowls off the bottom to check for dirt, water or old fuel residue?
On the ammeter, you are right, just swap connections. Temp gauge - I still wonder if the feed is connected wrong side of the stabiliser so it’s getting 12v instead of 10.5v?

[iceman]

I've done a few overhauls that requires new wiring. I prefer Arctic ultraflex wire. It is resistant to cold brittleness and is rated to 105C. Check them out. I warn you though, if you try it then you may never buy any other type of wire ever again.

[drivewayshop]

Would this conversion work the same for a mk1 GT6? Looks to me like the wires and labels on the regulator are the same. I need to chase down where I went wrong with my conversion. Thanks!

[iceman]

Check out 3M super 88 electrical tape. It is their best electrical tape.

[luisangelsotojimenez]

Elin, did you dísconnet every carburator from conector shaft, for adjusment, individualist. An then, connet 2 again when you ajusted each one apart.

[johncantone]

Nice work! What part number fan belt are you using?

[markrobinson]

What is the current rating of the big spade connector on the alternator body ? Maybe they give you two connections so that you can double the connections to the big spade connector