[6pack] ALTERNATOR NOT CHARGING BATTERY 1976 TR6

COLIN THOM colinthom at shaw.ca
Thu Oct 1 16:51:41 MDT 2020 


The power tap 3/8 QC connector on the battery positive cable is susceptible to corrosion and can feel tight but not be clean enough for a sufficient connection. If you know for a fact that your alternator is fine and you know for a fact that all your ground connections are tight, take this power tap QX apart and make sure its cleanliness approaches godliness. 

Colin 


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Today's Topics: 

1. Re: [TR] Alternator not charging battery - 1976 TR6 
(dctr6 at optonline.net) 
2. Re: [TR] Alternator not charging battery - 1976 TR6 
(dctr6 at optonline.net) 
3. Re: [TR] Alternator not charging battery - 1976 TR6 (Richard) 


---------------------------------------------------------------------- 

Message: 1 
Date: Thu, 1 Oct 2020 17:31:46 -0400 
From: <dctr6 at optonline.net> 
To: "'DAVID MASSEY'" <dave1massey at cs.com>, <triumphs at autox.team.net> 
Cc: <6pack at autox.team.net> 
Subject: Re: [6pack] [TR] Alternator not charging battery - 1976 TR6 
Message-ID: <009001d6983a$449997d0$cdccc770$@optonline.net> 
Content-Type: text/plain; charset="utf-8" 

Dave ? 

We checked that connection and it was clean and tight. We are STILL not getting any voltage from the alternator to the battery. We walked through the procedure in Dan Master?s book 3 times and every time, it points to a bad alternator which I had tested and it?s putting out over 13 volts (maybe not enough but more than 12). Why doesn?t this show up at the battery? 

We even tested at the back of the alternator and it only shows 12 volts (?). 

Dennis 



From: DAVID MASSEY <dave1massey at cs.com> 
Sent: Wednesday, September 30, 2020 5:31 PM 
To: dctr6 at optonline.net; triumphs at autox.team.net 
Cc: 6pack at autox.team.net 
Subject: Re: [TR] Alternator not charging battery - 1976 TR6 



On the 76 TR6 (well all the CF series cars) the alternator output (brown) wire connects to the power tap on the positive battery positive cable with a 3/8 QC connector. If this connector is not making good connection even a good alternator will not charge the battery. Check that out before you spend any more money. 



Dave 





-----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 11:03 am 
Subject: [TR] 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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Message: 2 
Date: Thu, 1 Oct 2020 17:40:28 -0400 
From: <dctr6 at optonline.net> 
To: "'Richard'" <taylorturbo6 at yahoo.com> 
Cc: <triumphs at autox.team.net>, <6pack at autox.team.net> 
Subject: Re: [6pack] [TR] Alternator not charging battery - 1976 TR6 
Message-ID: <00aa01d6983b$7badabc0$73090340$@optonline.net> 
Content-Type: text/plain; charset="utf-8" 

Richard ? 

Dropped the alternator off today for rebuild ? we?ll see what we get. Do you have a part number for the Delco replacement? I may need to go that way. Thanks. 

Dennis 



From: Richard <taylorturbo6 at yahoo.com> 
Sent: Wednesday, September 30, 2020 6:58 PM 
To: dctr6 at optonline.net 
Cc: Jim Henningsen <trguy75 at gmail.com>; triumphs at autox.team.net; 6pack at autox.team.net 
Subject: Re: [6pack] [TR] Alternator not charging battery - 1976 TR6 



Jim --- Let us know if rebuilding your original alternator raises the reading to more than 13.xxv. I recall my original Lucas never showed as high as its replacement Delco number of 14.6v 

Dick 


On Sep 30, 2020, at 2:13 PM, <dctr6 at optonline.net <mailto:dctr6 at optonline.net> > <dctr6 at optonline.net <mailto:dctr6 at optonline.net> > wrote: 

Actually, no they don?t have the facilities. However, I have taken the 2nd alternator to a local auto electric shop where they tested it and it?s only putting out a little over 13 volts which I do not believe is enough. I plan to retrieve my original alternator and have it re-built (which I should have done in the first place). 

Dennis 



From: Jim Henningsen <trguy75 at gmail.com <mailto:trguy75 at gmail.com> > 
Sent: Wednesday, September 30, 2020 12:31 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: [TR] Alternator not charging battery - 1976 TR6 



Can?t the parts place test the alternator off the car with their machine? Jim Henningsen 



From: Triumphs <triumphs-bounces at autox.team.net <mailto:triumphs-bounces at autox.team.net> > On Behalf Of dctr6 at optonline.net <mailto:dctr6 at optonline.net> 
Sent: Wednesday, September 30, 2020 12:04 PM 
To: triumphs at autox.team.net <mailto:triumphs at autox.team.net> 
Cc: 6pack at autox.team.net <mailto:6pack at autox.team.net> 
Subject: [TR] 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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Message: 3 
Date: Thu, 1 Oct 2020 14:58:17 -0700 
From: Richard <taylorturbo6 at yahoo.com> 
To: dctr6 at optonline.net 
Cc: triumphs at autox.team.net, 6pack at autox.team.net 
Subject: Re: [6pack] [TR] Alternator not charging battery - 1976 TR6 
Message-ID: <E815DD1B-CFC6-4B20-8248-1CB766C82225 at yahoo.com> 
Content-Type: text/plain; charset="utf-8" 

I asked the counter guy for an alternator for 1980 Cheve V6. 
Clocked it so the mounting points matched the block piece. I recall making a bushing here so the thru bolt fit better. I use the original wire connection junction that's used for the Lucas and crimped on electrical spades from the alternator wires Into the junction. This could be done neater but wanted to keep the Lucas junction box. Not sure why, after about 20 years with the Delco! 
Dick 
> On Oct 1, 2020, at 2:40 PM, <dctr6 at optonline.net> <dctr6 at optonline.net> wrote: 
> 
> Richard ? 
> Dropped the alternator off today for rebuild ? we?ll see what we get. Do you have a part number for the Delco replacement? I may need to go that way. Thanks. 
> Dennis 
> 
> From: Richard <taylorturbo6 at yahoo.com> 
> Sent: Wednesday, September 30, 2020 6:58 PM 
> To: dctr6 at optonline.net 
> Cc: Jim Henningsen <trguy75 at gmail.com>; triumphs at autox.team.net; 6pack at autox.team.net 
> Subject: Re: [6pack] [TR] Alternator not charging battery - 1976 TR6 
> 
> Jim --- Let us know if rebuilding your original alternator raises the reading to more than 13.xxv. I recall my original Lucas never showed as high as its replacement Delco number of 14.6v 
> Dick 
> 
> On Sep 30, 2020, at 2:13 PM, <dctr6 at optonline.net> <dctr6 at optonline.net> wrote: 
> 
> Actually, no they don?t have the facilities. However, I have taken the 2nd alternator to a local auto electric shop where they tested it and it?s only putting out a little over 13 volts which I do not believe is enough. I plan to retrieve my original alternator and have it re-built (which I should have done in the first place). 
> Dennis 
> 
> From: Jim Henningsen <trguy75 at gmail.com> 
> Sent: Wednesday, September 30, 2020 12:31 PM 
> To: dctr6 at optonline.net; triumphs at autox.team.net 
> Cc: 6pack at autox.team.net 
> Subject: RE: [TR] Alternator not charging battery - 1976 TR6 
> 
> Can?t the parts place test the alternator off the car with their machine? Jim Henningsen 
> 
> From: Triumphs <triumphs-bounces at autox.team.net> On Behalf Of dctr6 at optonline.net 
> Sent: Wednesday, September 30, 2020 12:04 PM 
> To: triumphs at autox.team.net 
> Cc: 6pack at autox.team.net 
> Subject: [TR] 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 
> _______________________________________________ 
> Support Team.Net http://www.team.net/donate.html 
> Suggested annual donation $12.96 
> Archive: http://www.team.net/archive 
> 
> 
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