Why not temporarily take the throttle switch out of operation and join the 2
wires together. In other words "by pass the switch". Just don't kick off
the OD without giving some gas.
I would think that if it seems to work this way then the throttle switch
needs to be adjusted once again.
Mark
----- Original Message -----
From: "Simon Lachlan" <simon.lachlan@homecall.co.uk>
To: "'Healey List'" <healeys@autox.team.net>
Sent: Friday, January 19, 2007 11:52 AM
Subject: Annaul overdrive snafu
> Hi,
>
> Overdrive continues to drive me mad.
>
> Symptoms remain as previously reported:-
>
> I can hear solenoid as soon as I depress throttle and again when I lift
> off.
>
> Relay bench tests OK.
>
> Solenoid clunks nicely and od engages OK on road.
>
> Wiring has not been tampered with and looks fine. In-line fuse not
> blowing.
>
> Switch on dash is OK.
>
> 3rd/4th switch seems OK.checks out per manual and I can hear od
> engaging/disengaging as I move gear lever.
>
> Actual od unit is fine and has plenty of the correct clean oil. (We won't
> discuss which is the preferred oil.)
>
>
>
> Suspect continues to be throttle switch, but I've been down that alley
> before. Whenever I blame that switch it turns out to be something else.
>
>
>
> If I take the b****y throttle switch apart, it looks OK and it seems to
> function OK. But I would say that it's maybe a bit quick to
> engage/disengage. That's to say that the slightest movement of the lever
> breaks the continuity. It seems a bit trigger happy to me. What are the
> nuts
> and bolts symptoms of a dead throttle switch? Which bit gives up where
> leading to what happening where?
>
>
>
> Don't want to resort to my wallet and throw bits at this thing until it
> goes away. Done that in the past and it a)costs a lot & b) does not teach
> me
> what went wrong and ghow to be alert for it in the future.
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