Ron, I know you are looking for direct information from a Mark II owner and I
do not have a Mark II. But if worst to comes worst, I would say wire it the
same as a Mark 1A. I cannot see how it makes a difference if the current is
coming from an alternator or a generator once it is converted to direct
current.
The Mark IA wires the ammeter between the battery terminal on the regulator and
the battery terminal on the starter solenoid. That effectively wires it
directly between the controlled output of the regulator to the battery. It is
directly in the path to the battery with full power flowing through it. I
suspect the Lucas or Jaeger ammeter is made to function that way. I would bet
that the 60 inch or so wire from the ammeter is about long enough to get from
the ammeter to the starter solenoid. Is it connected to the ammeter? If it is
meant to go to the starter solenoid, it would be connected to the output
terminal of the ammeter.
There would need to be a much shorter wire connecting the ammeter input
terminal to the "A" terminal of the alternator "control box". I believe the
factory original alternator "control box" is in the same general location as
the generator regulator is mounted, is it not? How the wire gets back through
the firewall from the meter to the starter solenoid I have no idea. When the
dealer installed mine back in the '67 they just spliced it into the factory
wire that went from the regulator to the starter solenoid on the engine bay
side next to the regulator. I would expect that original factory wire on my
Mark IA from the regulator directly to the solenoid is in some wire loom under
the dash going to the passenger side of the car and then into the engine bay. I
can have a look if you would like.
Gene
----- Original Message -----
From: "Ron Fraser" <rfraser@bluefrog.com>
To: rfraser@bluefrog.com, tigers@autox.team.net
Sent: Friday, April 27, 2012 9:54:34 AM
Subject: Re: [Tigers] MK II wiring help
I want to clarify my request.
I need to know how the Mk II amp gage wire harness is loomed through
the car and how the amp gage harness is spliced into the Mk II wiring.
I believe the wire harness I'm looking at is from Rootes, it seems
correct but I need to inspect it further. I simply don't like the way it
is loomed under the steering and over the front of the engine; too many
moving parts.
I think the harness should be loomed behind the dash to the right
side then out to the alternator; if that is how the Mk II amp gage is
suppose to be splice into the wiring. This would make a cleaner looking
install and get the harness away from moving parts. I have not accurately
measured the full length of this harness to see if it is long enough to
move; it is somewhere over 60" long.
Thanks
Ron Fraser
-----Original Message-----
From: tigers-bounces@autox.team.net [mailto:tigers-bounces@autox.team.net]
On Behalf Of Ron Fraser
Sent: Thursday, April 26, 2012 7:19 PM
To: tigers@autox.team.net
Subject: [Tigers] MK II wiring help
I'm working on a MK II.
I noticed the brown wires for the ammeter come out the drivers side harness
grommet and snake around the front top of the engine. This seems incorrect
to me but I'm a novice when it come to Mk II details. MK II guidance needed.
Ron Fraser
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