[6pack] Alternator not charging battery - 1976 TR6

[dctr6 at optonline.net]

Ron – 

    Light comes on normally when the key is turned and goes off when the motor starts.

Dennis

 

From: Ron Cirillo <cirilloron1 at hotmail.com> 
Sent: Wednesday, September 30, 2020 5:07 PM
To: dctr6 at optonline.net
Subject: FW: [6pack] Alternator not charging battery - 1976 TR6

 

See my answer below.

 

From: Ron Cirillo 
Sent: Wednesday, September 30, 2020 5:05 PM
To: Victor Snively <vsnively at aol.com <mailto:vsnively at aol.com> >
Subject: RE: [6pack] Alternator not charging battery - 1976 TR6

 

Just a quick note—is the charging light on brightly when you turn the key.  The initial flow through the field of the alternator goes through the light.  If you have a burnt out bulb or the wrong one, you cannot get initial field current.  If you do not get the initial field current the alternator will not work.

 

Ron

 

From: 6pack <6pack-bounces at autox.team.net <mailto:6pack-bounces at autox.team.net> > On Behalf Of Victor Snively
Sent: Wednesday, September 30, 2020 2:30 PM
To: dctr6 at optonline.net <mailto:dctr6 at optonline.net> ; triumphs at autox.team.net <mailto:triumphs at autox.team.net> 
Cc: 6pack at autox.team.net <mailto:6pack at autox.team.net> 
Subject: Re: [6pack] Alternator not charging battery - 1976 TR6

 

Dennis,  

 

Had the same issue with mine. Follow the brown wire from the alternator through the firewall. The insulation may have worn through and grounded, or there's a connection issue under the dash. There's also a black wire that grounds through one of the threaded gauge mounts, the ones with the serrated nuts. That was my issue, it had worked itself loose.

 

Good luck,

Vic Snively

'75 TR6

-----Original Message-----
From: dctr6 at optonline.net <mailto:dctr6 at optonline.net> 
To: triumphs at autox.team.net <mailto:triumphs at autox.team.net> 
Cc: 6pack at autox.team.net <mailto:6pack at autox.team.net> 
Sent: Wed, Sep 30, 2020 12:03 pm
Subject: [6pack] Alternator not charging battery - 1976 TR6

   Here’s a synopsis – Almost new battery went dead. Charged battery and took car to shop. Meter shows alternator is not charging battery (only 12 volts, not 14.6 as per Dan Master’s book). Buy rebuilt alternator and the same thing happens.  Swap alternator for a second rebuilt unit – same thing, battery is not being charged. Tried 3 different meters – all showed 12 volts.  Hard to believe I got 2 bad rebuilt alternators.  What’s wrong??

Dennis Culligan, 1976 TR6 

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