[little-z]

so i went out today and my truck wont start. it has done this to me a few times befor. seems to work when it wants to. well when i put the key in and turn it all the dash lights do there normal stuff i hear the fuel pump come on but starter dose not spin click or nothing. so i tried to jump the starter and when i do this i hear the starter spin but does not engage. so it leads me to think that the solinoid is bad. only thing that makes me doudt this is that if it is the solinoid shouldnt the dstart still spin when i try to start with the key.
my truck is a 03 silverado
5.3
4x4. thanks for any help or sugestions.

p.s. sorry if the message seems like im rambling im tired and a little pissed

 

[Denaliano]

I've found that a no start condition as you described occasionally results from a faulty lock cylinder/wiring/VATS gone awry in your steering column.

 

[little-z]

thanks i will take a look in to that

 

[theholycow]

I've found that a no start condition as you described occasionally results from a faulty lock cylinder/wiring/VATS gone awry in your steering column.

The VATS problem manifests in a very different symptom for me, in my 2002 GMC and the 1997 Pontiac I had. It would crank, then fire, then die immediately.

No cranking could be a faulty lock cylinder/wiring but in my experience not VATS failure. Could be solenoid, could be PCM, and I think I remember reading about some kind of sensor that could cause that symptom.

 

[little-z]

man i hope its not wiring or pcm and as for the lock cylinder do you think that could be the problem even tho the dash lights and gauges respond to the key being turned

 

[theholycow]

:hmm: Well, the "On" position might be working but the "Start" position may be broken. Something else is probably more likely.

 

[Denaliano]

I think it's still possible, there's a lot of contacts in that switch. Do you have a shitload of keys on your chain?

GM PN #12450251

 

[little-z]

well i wouldnt say a shit load but maby 6 7 keys

 

[little-z]

ok so puled all the plastic off pulled out the cylinder and now have know i dea how to get to the switch lol. to dark tonight to see so ill keep diging tomorrow

 

[little-z]

ok well i am comptetly confused now took the starter off and brought it to kragens to get tested they say its fine. so when i got home i put a volt meeter on the ignition wire that goes to the starter. it is hot when key is turned any one have any ideas