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Re: Fwd: Re: Mystery component

To: Joe Curry <spitlist@gte.net>
Subject: Re: Fwd: Re: Mystery component
From: "M. E. Foster" <foster_m@swbell.net>
Date: Thu, 08 Mar 2001 21:21:55 -0600
I think you're correct, although the color code "VO" must be a typo.
Also, the term "starter relay" is kinda misleading, not to mention the
two wires that are shown connected to nothing.

On Thu, 08 Mar 2001, you
wrote: > I did and think that he is describing the same component that is
identified as item 24 on page 262.  This is the one I suggested > initially.
> 
> Joe 
> 
> "M. E. Foster" wrote:
> > 
> > Hi Joe.
> > 
> > My OD is J-type and is original equipment. I think the definitive
> > (and annoyingly obscure) answer was posted by Bob Sykes. You
> > will see it eventually, but here it is anyway.
> > 
> > On  Thu,  08  Mar  2001,  Bob  Sykes  wrote:>  Lots  of  interesting  
>speculation  so  far  but:
> > >
> > >  The  mystery  component  is  a  "lamp  test"  relay.   It  momentarily
> > >  illuminates  the  brake  warning  lamp  and  EGR  service  lamp  when
> > >  you  crank  the  starter.   It  is  wired  as  follows:
> > >
> > >  The  green/white  wire  (terminal  C1)  goes  to  EGR  light  
>(indirectly)
> > >  &  service  interval  switch.
> > >
> > >  Terminal  C2  &  W2  are  connected  together  and  to  chassis  ground.
> > >  A  black/blue  wire  connects  from  W2  to  the  Left  hand  seat  (not
> > >  seat  belt)  switch.
> > >
> > >  Terminal  W1  has  two  white/orange  wires.   One  comes  from  the
> > >  starter  solenoid  (+12V  signal  in)  the  other  goes  on  to  the
> > >  seatbelt  timer/buzzer/annoyance  device.
> > >
> > >  Terminal  C4  has  a  black/purple  wire  which  goes  to  the  brake
> > >  warning  light.
> > >
> > >  This  wiring  scheme  is  unique  to  1976  model  US  spec.  cars.
> > >  '76  model  cars  have  J  type  Overdrive  with  no  OD  relay.
> > >
> > >  Haynes  schematics  can  be  useful,  but  beware,  they  contain
> > >  errors.
> > >
> > >  Hope  this  helps.
> > >
> > >  --
> > >  LBC'ing  U,
> > >  Bob  (&  Spitfires)
> > >  [digest  mode]
> > >  http://home.att.net/~stan.part
> > 
> > On Thu, 08 Mar 2001, you wrote:
> > > What type of gearbox do you have?  If it is a 3-rail there will be a 
>D-type overdrive but if it is a single rail it will not use an OD
> > > relay.  This would point back to the possibility of the ignition relay.  
>Let me know what you find, I'm curious.

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