I have a 2001 Chevy Tahoe 4.8 I'll start the truck in the morning and drive it and it will get to running temperature and when I shut it off it will not start again until it completely cools off there's no click in the starter nothing in the solenoid it just you turn the key and nothing I've checked the relays I put in a new starter is anyone else have this problem
Starting problems
- Thread starter smuthie
- Start date
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6speedblazer
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When you get the no crank condition, you need to see if you have 12 volts on the purple wire at the starter solenoid. If 12 volts is present, then likely a bad starter. if 12 volts is not present, then you have an upstream electrical issue that requires further diag.
Also not a bad idea to see if you have good voltage at the battery feed to the starter as well.
Also not a bad idea to see if you have good voltage at the battery feed to the starter as well.
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Welcome to the Forum from NH.
Lots of knowledgeable folks here who freely share their knowledge, experiences, and perspectives. Knowledge is power.
I hope that you will become a participating member in the Forum's discussions.
Pics of the truck, please. If we can't see it, it does not exist.
You are already receiving sage advice from the knowledgeable folks on this Forum.
As stated above, start with the basics first. If you have 12 volts at the started when you move the key to start, then we can work with you to backtrack and find the source of your issue.
Lots of knowledgeable folks here who freely share their knowledge, experiences, and perspectives. Knowledge is power.
I hope that you will become a participating member in the Forum's discussions.
Pics of the truck, please. If we can't see it, it does not exist.
You are already receiving sage advice from the knowledgeable folks on this Forum.
As stated above, start with the basics first. If you have 12 volts at the started when you move the key to start, then we can work with you to backtrack and find the source of your issue.
nonickatall
Full Access Member
That is correct, but it could also be a ground point problem, because if the contact resistance is too high, then the current might not be sufficient to operate the starter.
And the contact resistance tends to change very much depending on the temperature.
But as 6speedblazer correctly said, first check the battery. There are special measuring devices that apply a significant current to the battery, to test whether it still delivers sufficient capacity.
Then measure at the starter motor to see if 12 volts are reaching it, because either the engine control unit or the starter relay is causing problems.
If that's the case, it can only be a problem with the starter motor itself.
mikez71
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Did you check relay while hot? Since it doesn't work only when hot, it might be good to swap the relay with another just to make sure.
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It sounds like something is getting hot and failing. Of course! Is that truck under the bad ignition switch recall? Any lights on the dash when it is running? Have u moved the ignition relays and the start relays? Sorry a bunch of stuff pops in my head when these issues show there ugly a$$ head.
