[Healeys] Starting (cut off switch)

Richard Ewald richard.ewald at gmail.com
Thu Jun 21 10:24:58 MDT 2012


Connect a DC voltmeter across the two big terminals of the switch.
Disable the ignition, have someone crank the engine read the meter.
If the reading during crank is over 0.2V the switch is suspect.

Sent from my iPhone

On Jun 21, 2012, at 8:42, Pieter and Linda <pieters at pt.lu> wrote:

> Listers,
> My car has a modern high ratio starter and usually starts first time. A
> couple of weeks ago the car was parked for about an hour after a run and
when
> I went to start it, I got nothing but a click from the starter motor. After
a
> bit of a general tightening of connections(none of which appeared to be
loose)
> and switching the cut off switch back and forth of  the car started as
normal.
> It hasn't happened for a few weeks but, today, whilst in the cue for the
> annual roadworthy ( MOT/TUV) inspection the same thing happened. Quite
> embarrassing. This time however there was a jump start pack available and
the
> car started fine with this connected and has started on it's own about 15
> times since. Since I cannot find a loose or corroded connection, the
battery
> is good and the leads are thick copper and in good condition I am starting
to
> suspect a faulty cut off switch. Is it possible that there is corrosion in
the
> switch that the normal battery power can't get passed but with a jump
battery
> connected in gets through. Any suggestions before I ditch the current
switch
> and fork out for a new one.
> Incidently the car failed it's check. Not because of the stating issue but
> because of a small area of abrasion on the left front brake flexline. You
> can't say these inspections aren't thorough :(
>
> cheers
> Pieter
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