| To: | <rrengineer.mike@att.net>, <mgs@autox.team.net> | 
|---|---|
| Subject: | Re: [Mgs] New to list | 
| From: | PaulHunt73 via Mgs <mgs@autox.team.net> | 
| Date: | Tue, 24 Dec 2019 08:30:46 -0000 HXw2gObXp97w6bJRUYYMe5GiCAy2ZpKCnL8+NRYfLBMERFmQ1BRdJadj9QGATl3O0Ek4gjjXuKHigcrwMA2+HRt139rzH2rT+U4= | 
| Delivered-to: | mharc@autox.team.net | 
| Delivered-to: | mgs@autox.team.net | 
| References: | <1279289359.3069736.1577139759332.ref@mail.yahoo.com> <1279289359.3069736.1577139759332@mail.yahoo.com> | 
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Tachometer problem is easy - the earth connection to the tach is =
missing.  With the panel lights not powered it can 'see' an earth via =
its panel light and via the panel light wiring to other instruments and =
their earths.  With the panel lights powered that 'earth' become 12v.
PaulH.
  ----- Original Message -----=20
  ...
    The bugaboo I encountered on the way home from buying this car was =
the tachometer.  It would shut off when you turn on the headlights.  If =
you turn off the panel lights, it comes back on.  Not looking forward to =
figuring this one out.
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<DIV><FONT size=3D2>Tachometer problem is easy - the earth connection to =
the tach=20
is missing.  With the panel lights not powered it can 'see' an =
earth via=20
its panel light and via the panel light wiring to other =
instruments and=20
their earths.  With the panel lights powered that 'earth' become=20
12v.</FONT></DIV>
<DIV><FONT size=3D2></FONT> </DIV>
<DIV><FONT size=3D2>PaulH.</FONT></DIV>
<BLOCKQUOTE=20
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  <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
  <DIV=20
  style=3D"FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: =
black"><B>...</B></DIV>
  <DIV id=3DyMail_cursorElementTracker_1577139254389>  The bugaboo =
I=20
  encountered on the way home from buying this car was the =
tachometer.  It=20
  would shut off when you turn on the headlights.  If you turn off =
the=20
  panel lights, it comes back on.  Not looking forward to figuring =
this one=20
  out.</DIV></BLOCKQUOTE></BODY></HTML>
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