[Healeys] Alternator not charging.

[Bob Spidell]

Does the alternator have a built-in regulator (control box) or are you 
using the external one?  Does the battery charge up with an external 
charger?


On 7/24/2022 5:19 AM, Michael Salter wrote:
> Simon, if the starter works satisfactorily then it's very unlikely 
> that the engine ground or the main battery cable are problematic.
>
> M
>
> On Sun., Jul. 24, 2022, 8:14 a.m. Simon Lachlan via Healeys, 
> <healeys at autox.team.net> wrote:
>
>     Yes, alternator. Negative earth.
>
>     So, it’s apparently not charging. I get the same reading across
>     the battery when the engine is running as when it’s switched off.
>
>     I looked in an old book of mine, written about the time our 3000s
>     were built, and it suggested that a possible cause for no charge
>     reaching the battery was that the earth strap was not connected or
>     had degraded to nothing.
>
>     Well, my strap is good and strong but, you may recall, that I had
>     to remove and replace my gearbox…God knows how often. (Overdrive
>     and dud replacement clutch kit) Did I replace the strap on the
>     last occasion? I think so…..But…
>
>     Well, it occurred to me that, if I ran a stout wire from the
>     alternator body to the battery’s negative terminal, then that
>     would act instead of the earth strap.
>
>     I did that. Still no charge.
>
>     It’s my belief that running that wire along was an adequate test
>     of earthing. Do you guys agree??
>
>     Plainly, I could get the car up on ramps again and check
>     underneath but I think that would be fruitless as well as tiresome
>     and dirty……….
>
>     Thanks,
>
>     Simon
>
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