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Hello!First thing to do is check the battery. A fully charged battery must have enough cranking capacity to provide the starter motor and ignition system with enough power to start the engine over a broad range of ambient temperatures. Even if its charged, it could still be bad causing a no crank condition! I would rec to get it load tested at a shop or at a battery store. A battery load test will verify the actual cranking capability of the battery. This is the best test. Or you can take a voltmeter and put it on the battery and crank the engine over. (Be sure the battery has a full charge on it.) If the volts drop below 9.6, the battery is bad and needs to be replaced! Just be sure all cable connections are clean and tight. Not only at the battery, but on the starter, engine and frame! Positive side as well as the negative side.If all checks out, make sure that you have battery voltage on both terminals of the starter when cranking. If full battery voltage (12.6 volts) is present and the starter is not working, then the starter is bad and will need to be replaced! Just be sure all fuses small regular and large size fuses are good under the hood, as well as inside the vehicle
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I have tried to jumpstart from a Tundra with the engine running. The started was tested good at Kragen. I watched it turn. Fuses are all good.
Have you checked battery voltage ot the starter with the key in the crank position?
Should the voltage matter when you are jumpstarting?
If not, this would be the next step.
What do you mean voltage matter?
At the battery?
You need to have a good strong battery
Like I described ealier
The car will run with a totally bad battery if jumpstarted.
If the battery is nice and strong...
For a little bit
If the engine starts with a jump
Either he battery is bad
Or there is a bad connection at the battery
The truck giving the jumpstart is running.
It is as simple as that
So a jump start will do the trick?
NO, jumpstart will not even do the trick.
Oh... your saying that the vehicle that is being used to jump it is running?
That is what you are suppse to do
THis means that chances are that it is not a battery issue
You are most likely not getting batteyr voltage ot the starter
You probably just have a bad clutch pedal posiiton switch
Just double check this with a voltmeter at the startter
Does that make sense?
Here is a wiring diagram.
What is the possibility of having a bad ignition switch?
IT is possible.... but then usually nothing will power up.
I have the whole wiring diagram. I have repair manual the dealers use.
But you can double check this at the clutch pedal switch
Then just check power at the clutch switch
With the key in the crnak position
If there is no power
Then chances are the ignition switch is bad
This does happen
But not very often
OK. I'll try that.
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