Check the voltage at the output of the generator as you increase the rpm.
It may be that the voltage is there but the relay is not operating (sticking
off) or that the voltage is not there. The relay should operate at 12.7 to
13.3 volts, on an MGB.
PaulH.
-----Original Message-----
From: Simon Matthews <simon_matthews@avanticorp.com>
To: mgs@autox.team.net <mgs@autox.team.net>
Date: 14 December 1998 19:40
Subject: Charging only 'starts' at very high revs.
>I just replaced the battery in my MGA (took all afternoon -- don't ask, but
>'A' owners may understand the problem when told that I have a single group
>24 battery). A couple of days later, I notice that I have to spin the
>engine up to about 5000 rpm to 'start' the generator. Once started, the
>generator seems to continue working with no problems, right down to slow
>idle speeds.
>
>Any ideas? I have not done any investigation yet, I am just going on the
>behaviour of the 'ignition' light (on, until I rev up to 5000 rpm, then off
>for the rest of the drive).
>
>Simon
>---
>Simon Matthews
MailTo:simon_matthews@avanticorp.com
>'57 MGA
>
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