[Healeys] Start button

i erbs eyera3000 at gmail.com
Tue Mar 9 20:31:56 MST 2021


Some wise person suggested cleaning wires and terminals.
Glad its working

Ira Erbs
1959 AH 100-6
1967 MGB
Milwaukie, OR

On Tue, Mar 9, 2021, 1:10 PM Michael Oritt via Healeys <
healeys at autox.team.net> wrote:

> After removing the speedometer as Perry suggested I could lay eyes on the
> back of the start switch and all three wires--the two whites and one
> white/red--seemed in place under the jam screws, reinforcing my belief that
> the switch was defective.
>
>
> I removed the switch and, despite my assumption, I decided to check it for
> continuity.  Lo and behold the circuit closed when the button was pushed.
>
>
> At this point I had already removed the wires and, thinking that perhaps
> one of them was open I turned the key on and touched the white/red to the
> two whites--and the engine turned over!  I can only surmise that there was
> corrosion under one or both of the jam screws.
>
>
> By now I had been working in a hunched over position for about 1.5 hours
> so I decided to finish up things tomorrow.  However, so that I would be
> able to sleep tonight I temporarily reconnected the wires to the switch and
> pushed the button.  Voila--we have ignition!
>
>
> To be continued, hopefully tomorrow or Thursday.
>
>
> Best--Michael Oritt, BN1
>
> On Tue, Mar 9, 2021 at 11:33 AM <healeyguy at aol.com> wrote:
>
>> Michael
>> The switch can be dismantled, cleaned and reassembled. Disconnect wires,
>> remove nut with 13/16 wrench. There is a cut out in the dash panel and a
>> bump on the switch that keeps the switch from spinning while you are
>> turning the nut.
>> Carefully pry each metal keeper away from the plastic.  Work off center.
>> Don't try to pry up the center.   The metal keeper is a bit brittle and can
>> break.  Don't freak out if it does. When the keepers are moved far enough
>> you will be able to push on the button and the contact holder will pop out
>> of the chrome piece.
>> Clean up the contacts and reassemble.
>> If part of the keeper has broken push the remainder back against the
>> plastic to hold it in place.  Add a couple small drops of epoxy over the
>> broken section. Make sure the epoxy does not block the movement of the
>> button or other moving bits.
>> Hope this makes sense.  There is a reason it takes a good writer to
>> explain something in words, which I am not..   I guess that is why someone
>> invented YouTube!
>> P
>>
>> Sent from my iPhone
>>
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