No crank no start

Ronzo0620

Original poster
Member
Nov 2, 2019
1
Texas
My 2004 trailblazer w the 4.2 liter vortex won’t do anything. Turn the key and gear click. Relay kicks n but won’t turn over. Took out relay and ran jumper from 87 to 30 still nothing. Tried to jump off the starter but the solenoid doesn’t engage starter
 

TJBaker57

Member
Aug 16, 2015
2,897
Colorado
Tried to jump off the starter but the solenoid doesn’t engage

Can you tell us exactly what you did here? One possibility is jumpering from the starter battery terminal to the starter solenoid terminal. I have an old mechanics tool made just for this purpose. If this is done and there is a good 12 volts there and the starter still doesn't crank I would call that a dead starter!
 
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Sparky

Member
Dec 4, 2011
12,927
Replace the starter. Exact symptom as mine had and you verified by trying to jump it. Peobably a failed contact inside the starter solenoid.
 
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