[Mgs] FW: Battery drain

Hans Duinhoven h.duinhoven at planet.nl
Thu Jul 18 14:33:23 MDT 2019


I had this some years ago. 

Proved to be leaky diodes in the rectifier block in the alternator.

So I took the alternator to the shop for an overhaul.

Works fine for years now.



Hans 71 BGT NRG


Van: Mgs [mailto:mgs-bounces at autox.team.net] Namens Barrie Robinson via Mgs
Verzonden: woensdag 17 juli 2019 21:46
Aan: MGB List; MGB V8 List
Onderwerp: [Mgs] Battery drain


Hello folks,

After leaving my MGB GT V8 for a few days - maybe 4 or 5  I find the battery is completely flat.  Did that 3 times.  So I took the battery out, charged it and waited 3 days.  The voltage dropped from 13.15V on Sunday 3pm to 12.91V 3pm Wednesday which does not seem to indicate that it is the battery's problem?    I did have a radio fitted but cannot say if it was after that that the battery went flat.   So any tips on how to find out what is going on would be appreciated (and thank you in advance) - I will try to disconnect the radio but that is a pain - I have to find the special tool to slip it out !!!!   But surely if the radio is off (blank screen) it should be off. By the way my new $$$$$ radio with windscreen mounted antenna cannot bring in 91.5FM or 99.1FM, the only stations I listen to because they do not have adverts.......but my cheap $ new portable one can get them inside my car !!!!!


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