[TR] wiring or ?

[Greg Lemon]

If you don't have a Lucas Fault Manual it can be accessed here:  http://herald-tips-tricks.wdfiles.com/local--files/start%3Astart0/Lucas%20Fault%20Diagnosis%20Service%20Manual.pdf (I don't recall seeing a link posted, if there was I apologize for the redundency).

I like it because most of the tests can be done with a simple multi-meter, and even a semi electronically challenged guy like me can understand and follow the steps.

Greg Lemon


From: Dave 
Sent: Wednesday, July 29, 2015 7:40 AM
To: dave at ranteer.com ; triumphs at autox.team.net 
Subject: Re: [TR] wiring or ?


And it was quick, easy and cost nothing, right?  ;-)

OK, take Geo's advice and follow the Lucas manual.  They will probably tell you to double check the connections among other things.  You may have to resort to using a voltmeter and measure voltages at the voltage at the dynamo terminal of the generator.  If it is only a few volts then I would suspect the connections between the generator and the regulator.

Or bad brushes.





Dave Massey






-----Original Message-----
From: dave n <dave at ranteer.com>
To: Dave <dave1massey at cs.com>; triumphs <triumphs at autox.team.net>
Sent: Tue, Jul 28, 2015 9:02 pm
Subject: Re: [TR] wiring or ?


we reflashed the generator several times 
 
From: Dave 
Sent: Tuesday, July 28, 2015 8:49 PM 
To: dave at ranteer.com ; triumphs at autox.team.net 
Subject: Re: [TR] wiring or ? 
 
I'd start with reflashing the field.  It is quick, easy and costs nothing.

It sounds like you're making progress.  It always seems to be a bunch of little things that get taken care of one at a time.

 
 
Dave Massey 


 
 
-----Original Message----- 
From: dave n <dave at ranteer.com> 
To: triumphs <triumphs at autox.team.net> 
Sent: Tue, Jul 28, 2015 4:04 pm 
Subject: [TR] wiring or ? 


57 TR3, small mouth, early disk brake car.  supposedly everything is new and/or rebuilt, but i'm not so sure.  car has been being worked on for a decade; this car was mostly put together by an incompetent mechanic, so keep that in mind.  i am still trying to finish the car and undo his crap.  
we put the instrument panel in and wired the supposedly new set of gauges.  we finally got the car running, and its got about 2 miles on it.  the red generator stayed lit during these 2 miles.  we finally figured out he had supplied a positive ground generator for a negative ground car, flashed the generator, and the light went out. 
we then discovered that the gas gauge did not work.  we pulled it, tried some things, discovered that the sending unit was not working, replaced that, but the gauge still did not work.  had the gauge rebuilt, and now its working. 
but the generator light is back on.  we thought it might be the voltage regulator, but we pulled it and tested it with nothing suspicious.  plus i swapped in a regulator from a running car, with no change. 
i'm thinking it could be the ammeter, or possibly when we were messing with the fuel gauge, we caused something to short or loosened a connection.  this car has a heater, so all that stuff is really crammed in there. 
i've got a tr4 ammeter, which according to moss, is the same.  and i'm going to look at the wiring.  any ideas, thoughts, recommendations, etc are more than welcome. 
not only is this guy a lousy mechanic, he put a bunch of philip head screws and bolts into a car which never had anything but slotted head.    plus he had my car for several years without actually doing anything on it.  so by the time we discovered there were issues with the paint, it was too late to go back to the painter.  and i had specifically asked him to make sure the paint was ok when he picked it up from the painter.  then he said it was my fault for approving it, when i wasn't even there.  

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