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Re: [Shop-talk] Working on a "modern" car, 2004 Chevy Blazer

Subject: Re: [Shop-talk] Working on a "modern" car, 2004 Chevy Blazer
From: Jeff Scarbrough via Shop-talk <shop-talk@autox.team.net>
Date: Thu, 26 Sep 2019 16:09:51 -0400
Cc: "Shop-talk@autox.team.net" <shop-talk@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: shop-talk@autox.team.net
References: <fcc41fdf-1328-7678-66d6-80ec4f795a09@bradakis.com> <CAJ8HLP8suhbnsjePuR4wmFXr3pP=ErR8hJ9ZXTe3+G2kCxwwpQ@mail.gmail.com>
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As others have said, there's probably nothing too complicated for YouTube.

Battery (unlikely), Neutral Safety switch, Ignition switch, starter
solenoid.  In the olden days, GM electrical ignition switch modules were
mounted lower ont he steering column, making them relatively easy to
access, test, and replace.  Operated by a rod coming down from the
mechanical portion.

So, when it fails in Park, does it start in Neutral?

On Thu, Sep 26, 2019 at 1:43 PM Peter Murray via Shop-talk <
shop-talk@autox.team.net> wrote:

> I don't think any of those came in manual, so I'm assuming it has an
> automatic transmission. I'm also assuming that, aside from the starter not
> cranking, everything else seems okay. Does the fuel pump prime? Does the
> starter solenoid fire? Is the battery in good condition?
>
> Assuming you hear nothing from the starter, I'd start with the starter
> relay, and if that is fine, I'd look at the neutral safety switch. What
> happens if you jiggle the transmission, or try to start in neutral?
>
> -Peter
>
> On Thu, Sep 26, 2019 at 12:53 PM Mark J Bradakis via Shop-talk <
> shop-talk@autox.team.net> wrote:
>
>> Whew, that was a hot bite! Made some jerked chicken thighs yesterday,
>> just had the leftovers for dinner. Maybe that last habanero was not
>> strictly needed.
>>
>> But what I do need is some work on my truck, a 2004 S10 Blazer. It
>> doesn't always crank when you turn the key. Usually it works, sometimes
>> it takes many attempts and some jiggling the key. Not looking forward to
>> working on tracking down if it the key switch, the starter, or something
>> in between. Modern cars are so much more complicated than 50 year old
>> Triumphs. Those I know. Well, I used to, certainly out of practice these
>> days but I am guessing it won't take too much training to remember which
>> end of the screwdriver goes in my hand.
>>
>> Hmmm, guess first step might be hitting one of the major chain parts
>> places for an appropriate repair guide, and start poring over wiring
>> diagrams. Fun fun fun!
>>
>>
>> mjb.
>>
>>
>> _______________________________________________
>>
>> Shop-talk@autox.team.net
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>>
>> _______________________________________________
>
> Shop-talk@autox.team.net
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> Archive: http://www.team.net/pipermail/shop-talk
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<div dir=3D"ltr">As others have said, there&#39;s probably nothing too comp=
licated for YouTube.<div><br></div><div>Battery (unlikely), Neutral=C2=A0Sa=
fety switch, Ignition switch, starter solenoid.=C2=A0 In the olden days, GM=
 electrical ignition switch modules were mounted lower ont he steering colu=
mn, making them relatively easy to access, test, and replace.=C2=A0 Operate=
d by a rod coming down from the mechanical portion.</div><div><br></div><di=
v>So, when it fails in Park, does it start in Neutral?</div></div><br><div =
class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Thu, Sep 26,=
 2019 at 1:43 PM Peter Murray via Shop-talk &lt;<a href=3D"mailto:shop-talk=
@autox.team.net">shop-talk@autox.team.net</a>&gt; wrote:<br></div><blockquo=
te class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px =
solid rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr">I don&#39;t think=
 any of those came in manual, so I&#39;m assuming it has an automatic trans=
mission. I&#39;m also assuming that, aside from the starter not cranking, e=
verything else seems okay. Does the fuel pump prime? Does the starter solen=
oid fire? Is the battery in good=C2=A0condition?<div><br></div><div>Assumin=
g you hear nothing from the starter, I&#39;d start with the starter relay, =
and if that is fine, I&#39;d look at the neutral safety switch. What happen=
s if you jiggle the transmission, or try to start in neutral?=C2=A0<div><br=
></div><div>-Peter</div><div></div></div></div><br><div class=3D"gmail_quot=
e"><div dir=3D"ltr" class=3D"gmail_attr">On Thu, Sep 26, 2019 at 12:53 PM M=
ark J Bradakis via Shop-talk &lt;<a href=3D"mailto:shop-talk@autox.team.net=
" target=3D"_blank">shop-talk@autox.team.net</a>&gt; wrote:<br></div><block=
quote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1=
px solid rgb(204,204,204);padding-left:1ex">Whew, that was a hot bite! Made=
 some jerked chicken thighs yesterday, <br>
just had the leftovers for dinner. Maybe that last habanero was not <br>
strictly needed.<br>
<br>
But what I do need is some work on my truck, a 2004 S10 Blazer. It <br>
doesn&#39;t always crank when you turn the key. Usually it works, sometimes=
 <br>
it takes many attempts and some jiggling the key. Not looking forward to <b=
r>
working on tracking down if it the key switch, the starter, or something <b=
r>
in between. Modern cars are so much more complicated than 50 year old <br>
Triumphs. Those I know. Well, I used to, certainly out of practice these <b=
r>
days but I am guessing it won&#39;t take too much training to remember whic=
h <br>
end of the screwdriver goes in my hand.<br>
<br>
Hmmm, guess first step might be hitting one of the major chain parts <br>
places for an appropriate repair guide, and start poring over wiring <br>
diagrams. Fun fun fun!<br>
<br>
<br>
mjb.<br>
<br>
<br>
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<br>
</blockquote></div>
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</blockquote></div>

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