[Healeys] Starter electrical issues

[Perry Small]

There is a small coil spring in the Lucas battery switch which in my experience has been the weak link. 
P

Sent from my iPhone

> On Apr 5, 2022, at 10:09 PM, Bob Spidell <bspidell at comcast.net> wrote:
> 
>  Plausible. I've rebuilt a battery switch, the contacts are pretty beefy copper plates, and I think they'd melt before they'd warp and return to shape, but ... plausible.
> 
> On 4/5/2022 12:27 PM, Roland Wilhelmy wrote:
>> The battery switch is on the light duty side but it must carry the full starting current. I can imagine that the terminals inside the switch get hot and warp just a bit disconnecting the battery. Then if given a chance to cool the terminals return to make connection once more. 
>> 
>> Side note: Roger Moment recommends limiting the length of time running the starter when firing up a newly rebuilt engine and getting oil pressure, etc. Give the poor switch time to recover. 
>> 
>> -Roland
>> 
>> On Tue, Apr 5, 2022, 11:53 AM Bob Spidell <bspidell at comcast.net> wrote:
>>> The starter balking is understandable--at least, intuitively--but all 
>>> the other electricals ceasing to work isn't (assuming the battery is 
>>> still connected). After all, this isn't a modern car with a PCM, ECU, 
>>> etc; we're just talking copper wire here. My folks' Lincoln would die 
>>> when one of the CoPs would put a voltage spike on its primary lead, 
>>> which would knock the PCM out cold. No such silliness in a Healey.
>>> 
>>> Just to be contrarian, maybe the starter is causing a dead short, somehow?
>>> 
>>> 
>>> On 4/5/2022 4:41 AM, Bob Begani via Healeys wrote:
>>> > Perry, the ground is negative.  From comments made by others am just going to replace the ground strap and with serrated washers so they dig into the metal especially on the frame.  Will keep all advised.
>>> >
>>> > Bob
>>> >
>>> > -----Original Message-----
>>> > From: Healeys <healeys-bounces at autox.team.net> On Behalf Of Perry Small via Healeys
>>> > Sent: Monday, April 4, 2022 7:32 PM
>>> > To: healeys <healeys at autox.team.net>
>>> > Subject: [Healeys] Starter electrical issues
>>> >
>>> > Bob
>>> > Is it possible that the after market high torque starter that you are using is set up for negative ground only? For a contact type starter like the original Lucas, it doesn’t care but perhaps your replacement unit has protection built in.
>>> > P
>>> >
>>> > Sent from my iPhone
>>> > _______________________________________________
> 
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