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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I would try to bleed suspected air from
the switch by loosening and tightening it while someone steps on the brake
pedal. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>If that doesn’t work, replace the
switch and bleed it. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>If that doesn’t work, go on with
what you want to do. Bill in <st1:State w:st="on"><st1:place w:st="on">Oregon</st1:place></st1:State><o:p></o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Spridgets
[mailto:spridgets-bounces@autox.team.net] <b><span style='font-weight:bold'>On
Behalf Of </span></b>WeslakeMonza1330--- via Spridgets<br>
<b><span style='font-weight:bold'>Sent:</span></b> Saturday, May 02, 2015 6:28
AM<br>
<b><span style='font-weight:bold'>To:</span></b> spridgets@autox.team.net<br>
<b><span style='font-weight:bold'>Subject:</span></b> [Spridgets] Brake light
switches - hydraulic and non-hydraulic types</span></font><o:p></o:p></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'>Hi list,<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'> <o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'>A bunch of spridgetly brake light switch
questions:<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'> <o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'>The brake light switch on my 69 Sprite is
hydraulic and if I gave the pedal a good hard push works fine and the brake
lines come on. However, if I 'dab' the brake pedal or press slowly the
brake lights don't come on.<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'> <o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'>Is the reason for this poor switch action
due to air being trapped right behind the switch sensor or is that unlikely/not
possible with any air being purged when I last bled the brakes, noting the
brake pedal is good and firm. Or is the problem I'm experiencing simply
due to the switch going bad and needs replacing.<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'> <o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'>I had decided to simply buy a new
non-hydraulic/mechanical switch and since I have both a later pedal box with
provision for the mechanical switch and the later 'hammer head' brake pedal to
go with it. However, having ordered a switch last night but not looked at
the pedal box until a moment ago I hadn't realized that fitting the mechanical
switch requires the pedal box to be removed.<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'> <o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'>Other questions:<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'> <o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'>If I do fit the mechanical switch and
want to remove the hydraulic switch does anyone know what thread it is?
I'm guessing it's BSPT and that I'll have to plug it with NPTF - but which BSPT
and NPTF?<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'> <o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'>If I want to replace the 4 way union
altogether I see I can use the 3H424 later 3 way union from a later car which
is also the same as the one fitted to the rear axle (I have a spare).<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'> <o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'>Anyone done this and any comments on
switch life or anything else whatsoever?<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'> <o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:black'>Thanks<o:p></o:p></span></font></p>
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