[Tigers] MK II wiring help

[genepadgett at comcast.net]

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 at bluefrog.com> 
To: rfraser at bluefrog.com, tigers at 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 at autox.team.net [mailto:tigers-bounces at autox.team.net] 
On Behalf Of Ron Fraser 
Sent: Thursday, April 26, 2012 7:19 PM 
To: tigers at 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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