Voltage Regulator/Alternator Question

[Bertha]

Can someone outline what modification is needed to the voltage regulator when you switch out the generator for an alternator. This is for a late 2a which is wired negative ground. I have done this in the past, but it was a while ago and I forgot what the process was, any help would be appreciated.

[Leslie]

http://www.bayourovers.com/trick12.html

[Jeff Aronson]

I'm puzzled. When you have a negative ground late II-A, you should have an alternator installed already, not a generator.

Am I wrong? Did some late II-A's with negative ground come with generators?

Thanks,

Jeff

[Bertha]

Leslie-Good info but doesnt address dealing with the voltage regulator. I know there is a way keep it in the truck while changing some wiring that goes to it.

[Bertha]

I'm puzzled. When you have a negative ground late II-A, you should have an alternator installed already, not a generator.

Am I wrong? Did some late II-A's with negative ground come with generators?

Thanks,

Jeff

Late 2a's came with generators wired negative ground. BTW nice photo shoot.

[superstator]

Why not just get an internally regulated alternator?

[jac04]

When I did the conversion a long time ago on a late IIA, Rovers North faxed me the instructions. IIRC, it involves running a few 'jumper' wires on the external regulator. Have you tried contacting RN?

[leafsprung]

1) cut the old connections between the terminals on the back
2) solder jumpers between D,A and A1
3)move ignition warning lamp circuit from D to F
4)connect charge circuit from Alt to D
5) reconnect A and A1 wires

This will convert the regulator to a junction box for use with an internally regulated alternator such as a delco 10si.

[Bertha]

1) cut the old connections between the terminals on the back
2) solder jumpers between D,A and A1
3)move ignition warning lamp circuit from D to F
4)connect charge circuit from Alt to D
5) reconnect A and A1 wires

This will convert the regulator to a junction box for use with an internally regulated alternator such as a delco 10si.

Thanks Ike-I knew you would come through with the answer I needed.

[Donnie]

I'm puzzled. When you have a negative ground late II-A, you should have an alternator installed already, not a generator.

Am I wrong? Did some late II-A's with negative ground come with generators?

Thanks,

Jeff

Yes Jeff, my 1967 6 cly 109 RHD came with a generator.. I changed it to a GM 10si...............Donnie

[CliftonRover]

sounds like the advice you got is right on. i had rovers north fax me the wiring diagram for he alternator conversion. it is easy.

[Leslie]

Leslie-Good info but doesnt address dealing with the voltage regulator. I know there is a way keep it in the truck while changing some wiring that goes to it.

Gotcha; I knew Bayou Jim's pages had several things related to alternators, ground conversion, etc.... the voltage regulator modifications isn't something I'd dealt with, as I replaced my alt w/ a Delco, the starter solenoid with a standard one like a winch has (akin to the common Ford type), and I don't have an external voltage regulator. Now that I see what Ike posted, it's vaguely familiar, as in, I may have seen reference to such a decade ago, but nothing I'd dealt with....

[Jeff Aronson]

Donnie,

This is really interesting. Your 109" 6-cylinder would, of course, been a home market car.

Bertha, did the Rover-imported 2.25 cars also have a negative ground generator?

Thanks,

Jeff

[109 Pretender]

Jeff,
My 67 109 NADA 6 cyl. orig. equip. was a generator (1st year for neg. gnd in British car industry). Perhaps some IIB (68-69) Rovers had alternators. I think series III all had alternators. You know how the manufacturers sorta "bleed over" some parts between model changes - wouldn't surprise me that Rover might have used what they had ready for the Series III at the end of the IIB run.

Cheers!

[Bertha]

Donnie,

This is really interesting. Your 109" 6-cylinder would, of course, been a home market car.

Bertha, did the Rover-imported 2.25 cars also have a negative ground generator?

Thanks,

Jeff

I think that anything up to the series 3 had a generator. Negative ground started with the late 2a(possibly as early as the bug-eye) from what I recall.