[Healeys] OD

[David Nock BCS]

You have a faulty Overdrive relay. The overdrive is working thru the 
kickdown switch at idle and slow speed, then as soon as you accelerate the 
circuit in the kickdown relay opens and the overdrive comes out.

Install a new overdrive relay.




David Nock
British Car Specialists
209-948-8767
www.britishcarspecialists.com


-----Original Message----- 
From: Michael Salter
Sent: Wednesday, July 23, 2014 9:38 AM
To: Kenny J
Cc: healeys at autox.team.net
Subject: Re: [Healeys] OD

Hi Kenny, although it is possible that the throttle switch is causing the
problem I think it is unlikely as the dash switch effectively parallels the
throttle switch so, as long as the dash switch is on, the throttle switch
should have no effect.
I would start by trying the same test while holding the gear lever to the
right. It could be that the engine, when producing more power, is moving
over sufficiently to open the gear lever switch contacts.
I have also encountered the same problem when the overdrive oil pressure is
getting down. In those cases the overdrive would partially disengage
producing a "neutral" effect, as if you had dropped the box out of gear.

Michael S
BN1 #174



On Wed, Jul 23, 2014 at 12:23 PM, Kenny J <theswed at hotmail.com> wrote:

> While driving yesterday, I noticed my OD would engage normally.  Once I
> pressed on the accelerator, it would disengage.  I was in 4th gear
> traveling
> at 60 mph.  I was only trying to keep the car at 60 mph.  I never had this
> problem before.  Any ideas?  OD throttle switch bad?
>
> Kenny
> 61 BT7
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