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Re: [TR] Electrical diagnosis: Update

To: <KingsCreekTrees@aol.com>, <triumphs@autox.team.net>
Subject: Re: [TR] Electrical diagnosis: Update
From: <wbeech@flash.net>
Date: Sun, 13 Jun 2010 22:46:40 -0600
Engine ground strap is at the front motor mount, traditionally on the left
side.

Condition still sounds like either the battery or one of the main
connections to ground or starter/solenoid, your lights don't draw nearly the
current that the starter does.  

One other thing, just to eliminate the starter, go directly from the battery
to the starter, maybe using a jumper cable.  Disconnect all your other
connections to both before attempting, if the starter is the problem this
might help to clear it or solidly identify it.

Let us know how you make out,
Bill

Bill Beecher
'58 TR-3A TS30766L  "Tarbaby"
www.triumphowners.com/1566
"A Triumph is man's best friend, it always comes when it is called...of
course, some times it is difficult to make it go"




-----Original Message-----
From: triumphs-bounces@autox.team.net
[mailto:triumphs-bounces@autox.team.net] On Behalf Of
KingsCreekTrees@aol.com
Sent: Sunday, June 13, 2010 8:29 PM
To: triumphs@autox.team.net
Subject: [TR] Electrical diagnosis: Update

Me again, unfortunately.
 
Reference my earlier post of no ignition light with key in the "on"  
position: Fuses are OK, checked some other connections, could not find the
body to engine ground strap (there must be one, right?). If this could be
the problem, can anyone tell me where it is? I was under and over the car,
but don't  see it.
 
I suddenly remembered that I have a multimeter (not sure why; I can't really
use it!). Anyway, the battery has 12V. I changed it for the one out of our
old Volvo, which also had about 12V, and found that suddenly I have an
ignition light and, with the ignition on or off, the headlights are fine. I
pressed the starter button, with everything but the ignition off. There were
clicks from the starter motor. I gave it a break, tried it again and you
could  hear the (gear-reduction) starter almost turning the engine over, but
not quite.  Bearing in mind the car is positive ground/earth, I put the
multimeter negative  probe on the starter solenoid and grounded it with the
positive probe. 10V  showed. I did the same at the starter motor connection
(main power) and also got  about 10V. Still, the engine will not crank.
 
Any ideas? I wish the problem was just a pair of SU's out of tune; I'd have
that sorted in minutes!  

Tim Dyer,  Kings Creek Trees and Ornamentals
427 Kings Creek Road, RR3
Ashton, ON K0A  1B0
Canada
Phone/fax: 613 253 4126 Website: _www.kingscreektrees.com_
(http://www.kingscreektrees.com/) 

Proud  member of Landscape Ontario (the Ontario association for horticul
ture  professionals), the Canadian Nursery and Landscape Association, the
Ottawa  Botanical Garden Society, the Carleton Place Horticultural Society
and the  Christmas Tree Farmers of Ontario 

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