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OT Mechanics Question

Posted on 9/14/16 at 5:03 pm
Posted by TeddyPadillac
Member since Dec 2010
30719 posts
Posted on 9/14/16 at 5:03 pm
I have a 2004 Silverado. It's a salvage title vehicle I got in 2009. I had a few electrical issues when I first got it, when I mean little i'm talking simple wire issues like not being connected or wires that looked like they got eaten by a rat or something.

Anyways, I've always had this issue where the truck won't start sometimes. Turn the key and nothing happens at all. radio and air and all come on, but not a single sound comes from the engine when I turn the key. I keep turning the key several times and eventually it will start no problem. Sometimes I have to turn the key 2 or 3 times and it starts, sometimes it takes 20-30 turns. Sometimes I go a long time without the problem, sometimes it happens quite frequently. It's never not started, and it's been happening since I got it.

Any idea as to why this happens?
Posted by achenator
Member since Oct 2014
3331 posts
Posted on 9/14/16 at 5:05 pm to
Wasn't there a big stink and recall about this?
Posted by OysterPoBoy
City of St. George
Member since Jul 2013
45504 posts
Posted on 9/14/16 at 5:09 pm to
Maybe you're not turning it hard enough.
Posted by CP3
Baton Rouge
Member since Sep 2009
7592 posts
Posted on 9/14/16 at 5:09 pm to
quote:

2004 Silverado


quote:

electrical issues



Sounds about right. Loved my 02 silverado, but it had all kinds of random electrical glitches
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43031 posts
Posted on 9/14/16 at 5:10 pm to
Can you hear a click sound when you turn the key?
Posted by TeddyPadillac
Member since Dec 2010
30719 posts
Posted on 9/14/16 at 5:11 pm to
quote:

Can you hear a click sound when you turn the key?


There is no sound whatsoever, other than the radio and air eventually coming on.
Posted by Nado Jenkins83
Land of the Free
Member since Nov 2012
66452 posts
Posted on 9/14/16 at 5:12 pm to
yep

probably just the ignition switch
Posted by TeddyPadillac
Member since Dec 2010
30719 posts
Posted on 9/14/16 at 5:16 pm to
quote:

yep probably just the ignition switch


why would it recognize that the i'm in the on position and the radio/air comes on but the actual ignition not work?
Posted by ThatMakesSense
Fort Lauderdale
Member since Aug 2015
15281 posts
Posted on 9/14/16 at 5:18 pm to
quote:

why would it recognize that the i'm in the on position and the radio/air comes on but the actual ignition not work?


It's not your ignition switch, it's the starter solenoid.
Posted by Cruiserhog
Little Rock
Member since Apr 2008
10460 posts
Posted on 9/14/16 at 5:18 pm to
take the ignition switch out of the equation.

there is a connector on the steering column that houses the wires that electrify all of the connections necessary for the truck to start and run.

on chevys its normally orange or red 12 gauge for battery and purple 12 or 14 for the starter solenoid.

jump these hot with large gauge wire connected to some good gauge wire or use a starter switch and if it turns over every time you know its the ignition switch. if you still have the issue its probably a bad ground or dirty connection at the starter.

typical ignition switches on chevys and ford are built the same and they like to work themselves apart over years of use and you get a intermittent problem like you posted about.
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43031 posts
Posted on 9/14/16 at 5:35 pm to
Is it the factory key?
Posted by airfernando
Member since Oct 2015
15248 posts
Posted on 9/14/16 at 5:59 pm to
good chance it's corroded connections somewhere. Solenoid/starter, battery, etc.
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