Your?re right ? what I meant to say was that I shorted from the terminal with
the incoming heavy lead to the small terminal that has the starter switch lead
on it. That activates the solenoid rather than bypassing it, which likely
simply spins the starter motor and doesn?t move the bendix.
Duncan Charlton
Elgin, Texas USA
> On Mar 25, 2017, at 10:05 PM, Bill Babcock <ponobill at gmail.com> wrote:
>
> If you short across the big terminals you eliminate the integrated solenoid.
>
> I have seen people bypass the integrated solenoid and use an external one,
> but my experience with the gear reduction starters is that they fail in the
> connection to the field coil, and rarely anywhere else.
>>
>> Unless?
>>
>> We?ve had two cars that had starting problems that were cured by using a
>> second solenoid. The actual problem with both was most likely due to a
>> voltage loss between the battery, the ignition switch and the starter
>> solenoid.
>>
>> The Ford solenoid requires very low voltage (something like 2 volts) to
>> engage, whereas the one on my (German) Opel 1900 and the one on the 1978
>> Datsun 280Z clearly required a lot more. I could short across the big
>> terminals to get the car to start, so I knew the starter motor and the
>> integrated solenoid were both good.
>>
>> Duncan Charlton
>> Elgin, Texas USA
>>
>>
>>
>>>
>>> Are you guys not using the gear reduction starters? The built in solenoid
>>> in the starters is a very reliable part. If you?re using a solenoid to
>>> activate the solenoid, I think you have one too many.
>>>
>>>
>>>>
>>>> Napa auto parts has a part number ST51.
>>>>
>>>> We went with as an emergency repair to replace a broken Lucas at the track
>>>> on a Sunday. They were the only ones in the town open that had anything.
>>>> The counter person spent an hour researching what they had that would
>>>> work. It works. Very reliable.
>>>>
>>>> I think its actually for 60's era Ford trucks. The Tr4 does not seem to
>>>> mind or be insulted by it any way.
>>>>
>>>> Good Luck,
>>>>
>>>> Paul
>>>>
>>>> Sent from my iPhone
>>>>
>>>>
>>>>> I replaced my Lucas unit (with button) with one from the local Farm and
>>>>> Fleet. Has been dead reliable for 15 years.
>>>>>
>>>>> Tony Drews
>>>>>
>>>>> At 02:08 PM 3/25/2017, Bob Totten via Fot wrote:
>>>>>> Group wisdom on Starter Solenoids for our Triumph's ?
>>>>>>
>>>>>> Who sells the better quality Lucas (?) units as my starting problem has
>>>>>> pointed to the solenoid is not functioning properly. Would also be
>>>>>> interested in learning about any alternative brand that would be better
>>>>>> in the long run. In 20 years of running my Spit my 5th unit is on the
>>>>>> fritz or is that the life span for these things?
>>>>>>
>>>>>> Curious,
>>>>>>
>>>>>> Bob T
>>>>>> '64 Spit GT autocrosser
>>>>>>
>>>>>> PS I have inspected and tested the starter, and had it tested at the
>>>>>> local Advance Auto Parts and it functions just fine(?).
>>>>>> _______________________________________________
>>>>>>
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>>>
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