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-   -   TWO voltage regulators? (http://forums.pelicanparts.com/porsche-911-technical-forum/105130-two-voltage-regulators.html)

cstreit 04-04-2003 09:37 AM

TWO voltage regulators?
 
Well I installed the new Motorola/Marshall regulator and still got 18 volts out of my system... So I took off the oalternator and lo and behold it's a Paris Rhone with an INTERNAL regulator...


So are their TWO VR's on an early car? Or is the external one redundant (mind you I have an 83 motor in a 70 car) with the INTERNAL one failed?

Wish I had looked at the alternator before I ordered the new external regulator

RoninLB 04-04-2003 01:19 PM

Re: TWO voltage regulators?
 
Quote:

Originally posted by cstreit
Well I installed the new Motorola/Marshall regulator and still got 18 volts out of my system... So I took off the oalternator and lo and behold it's a Paris Rhone with an INTERNAL regulator...

Wish I had looked at the alternator before I ordered the new external regulator

you probably gotta do a good rebuild, and make a gift to the local 911 shop.............Ron

pwd72s 04-04-2003 03:40 PM

Isn't 18V too high?

Bill Verburg 04-04-2003 04:33 PM

Somebody neglected to finish the job when the new engine was transplanted in. One of the 2 v/r was left but not not hooked up. Sounds like the internal one is defective and the other is just taking up space.

MotoSook 04-04-2003 05:11 PM

Bill, BULLS EYE! I spoke with Chris earlier (he's away from the computer).

Same thing with my motor, external reg, not used, but taking up space!

john walker's workshop 04-04-2003 06:14 PM

external regs should be removed, not just disconnected, when an internally regulated alternator is installed, to keep someone from saying, "hey, this plug isn't connected", and plugging it back in.

MotoSook 04-04-2003 06:23 PM

John, what whould happen if the two were plugged in?

cstreit 04-04-2003 07:21 PM

Well the second external one WAS "vestigial" as one of the two wires coming off of it was clipped (per a factory recommended upgrade some time ago).

Bill was dead on. All they had to do was remove the damn thing and it would have saved me a LOT of hassles...

Anyway, new alternator installed and the system runs at a steady 14.1 volts at all RPM's!

This same issue probably was the cause of my electromotive failures as well, so a ampmeter and voltmeter are going in tomorrow.

RoninLB 04-04-2003 09:14 PM

Quote:

Originally posted by cstreit
a ampmeter and voltmeter are going in tomorrow.
you don't need an amp meter.. an analog/not digital volt meter and CHT are on my console.. you can even have both made in one ga. package...........Ron

cstreit 04-05-2003 05:05 AM

CHT?

tryan 04-05-2003 05:24 AM

cylinder head temp.

Porschedude 04-05-2003 07:31 AM

CHT, it comes from the aviation world, another would be EGT "Exhaust Gas Temp"

Keith

jazzbass 04-05-2003 10:30 AM

Quote:

Originally posted by RoninLB
you don't need an amp meter.. an analog/not digital volt meter and CHT are on my console.. you can even have both made in one ga. package...........Ron
Are you talking about a volt/CHT combo to replace the clock? This is one of my future projects, but I'll buy one premade if they exist (no use reinventing the wheel). I posted a thread earlier about this, but no one every replied as to seeing one.

RoninLB 04-05-2003 10:52 AM

[QUOTE]Originally posted by jazzbass


"Are you talking about a volt/CHT combo to replace the clock?"
--- you can do that.. I have mine on lower console/below dash because it doesn't need constant attention.. and an analog because a quick eyeball scan of the needle is all I need..

" This is one of my future projects, but I'll buy one premade if they exist (no use reinventing the wheel)."
--- yep, they do search around to get what you want.. I use Aircraft Spruce

"I posted a thread earlier about this, but no one every replied as to seeing one."
--- you can get any gauge size/combo that you want

.................Ron

McDaniel 04-05-2003 11:53 AM

Ahem...Raising Hand
 
Excuse me, if any of those regulators you don't need are the
external type that will fit my '74 with the Marchal alternator...
I'd like to buy...
This is not the plug in type that was standard on the '75+


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