[Tigers] Solenoid problem?

[R Flynn]

Updates:
- Wiggling ignition switch & wires did not help at all
- Replaced solenoid today, now seems to fire even more strongly (new
battery also in car of course)

No recurrence of the problem on a few stop/starts today ... fingers crossed.
On Sun, 30 Jul 2017 at 12:40, R Flynn <flynnr2 at gmail.com> wrote:

> Been away from the Tiger for a bit - again, thanks to all for the
> suggestions.
>
> Updates
> - Red/white wire is solid (tested that earlier, ought to have said)
> - Dad has an analog meter(!), but that is an hour away so perhaps someday
> - New battery has noticeable altered the cranking ability
>
> Going to go with the new battery for a bit, if the problem recurs then
> I'll probably
> - wiggle ignition switch & wiring harness while my bride holds it on start
> - depending on that, really I should just order a new solenoid & ignition
> barrel be done with it!
>
> Thanks again to all
>
> On Thu, 6 Jul 2017 at 11:35, R Flynn <flynnr2 at gmail.com> wrote:
>
>> Thanks to all who have replied - struggling with the intermittent nature
>> of the problem, nonetheless some updates below.
>>
>> Checks in addition to those below:
>> - Solenoid mount has been checked & cleaned & tightened
>> - Voltage drop between battery post and S post when cranking is 0.45V;
>> battery voltage otherwise
>> - Resistance between S post and solenoid ground is 3.7 ohms
>> - Jumper between battery and S posts cranks engine (but 90% of the time
>> so does turning the key, so not sure how much that indicates)
>> - Cleaned all connections on ignition switch, barrel is a little sloppy
>> in turning
>> - Resistance along brown wire is 0.3 ohms, no indication of flaky
>> connection when flexing wire harness & connections
>> - Battery appears to be of a Nov 1994 vintage as best I can tell (which
>> doesn't exactly much inspire confidence)
>>
>> Time for a new battery at the very least methinks, then my suspicion is
>> focusing on the ignition vs. the solenoid at this point.
>>
>> On Wed, 5 Jul 2017 at 10:27 R Flynn <flynnr2 at gmail.com> wrote:
>>
>>> I believe I have a solenoid problem but thought it worth checking with
>>> the collective wisdom here:
>>>
>>> Symptoms:  Tiger turns over immediately most times, but regularly when
>>> turning to the start position *nothing* happens (no clicks, no noise,
>>> nothing).  This tends to persist for a few tries it then it will all start
>>> working again.  Happens occasionally on cold start, might happen more
>>> frequently when engine is hot but pattern not entirely clear.
>>>
>>> What has been checked so far:
>>> - Battery has 12.6V, clean terminal connections & ground, and battery
>>> volatage is making it to the solenoid
>>> - Cleaned terminals & connections on starter
>>> - Solenoid terminals & connections cleaned
>>> - Solenoid voltage drop between battery & starter posts is in
>>> 0.12V-0.15V range (was north of 0.3V before cleaning terminals)
>>>
>>> My conclusion is that the solenoid is flaky, but if I am missing
>>> anything please shout.
>>>
>>> Cheers in advance
>>>
>>
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