Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
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If starter clicks this means problem is starter 95% of time, your new starter is possibly the problem. To know for sure you will need to monitor power on both of the wires going to starter during problem, they should both show at least 11v with key in start position and case should have good ground. If all are good this means starter is the problem. Depending on which one has low voltage that would point toward connection problem somewhere on that circuit. Here is a wiring diagram, let me know if you have questions. Thanks.
I would replace starter relay if that hasn't already been done, beyond that some testing is going to need to be done to see where voltage is dropping then repair connection as needed. Let me know if you have more questions, thanks.
I'd have battery tested also. Next step is monitoring voltage going to relay and leaving relay during problem and seeing if voltage is low. I would also check connectors at fuse box for loose pins or corrosion. Let me know how it goes or if you have more questions, thanks.
if you remove the starter relay do 2 terminals show 12 volts that the relay plugs into in the fuse box ?
at the starter does the small wire show 12 volts when you hold the key to crank ?
and does the big battery cable at the starter show 12 volts ?
at the big or the small at the starter ?
that should be enough to lock the solenoid
if the 2 at the fuse box you tested test like you said they did then the starter itself is bad causing this issue
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the starter solenoid is drawing too many amps then the solenoid hits its bad stop causing that voltage drop
all the tests you did show the starter has what it should to crank over
still all signs are saying starter
the remote activates the relay the same the ignition switch does
when does no relay activate ?
you said the starter just clicks nothing about the relay not activating
and at that time the starter will click with the key but you push the button and it cranks right over ?
at this point again with the tests you did are showing the stater is bad
try a new starter