Check the voltage while its running, should be around 14 volts, if the alternator is working right, charge the battery over night, crank it up and pull the terminals off the battery, it should stay running by itself without the battery, if the alternator is charging....sounds like a charging problem.
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Are you saying the engine cranks but won't start, or the engine won't crank ? If the engine does not crank, you would check for voltage at the starter, the neutral safety switch, and the key switch as well as the ground connections.
I won't say its an alternator problem because the alternator only charges the battery when its on, And it should start with the jump cables even if the battery and the alternator are bad. your Issue is not clear. Does the car start when you jump it ?
HI there
Try checking a few things first like jump start again and then take off the earth lead only{black} and let it run for 6 minute on idle then turn on the head lights main beam ,,if the engine dies in about 2 minutes then the Alternator isent working full power as it should be pumping out 13.5 volts min and the lights should be bright and stay on... if not you have a Alt problem still like a bad feed to alternator or a bad connection on the battery post or a loose wire from engine to body {earth wire } also check out the relay to Alt ..
Let me know how you get on . RON
A vehicle will not stay running unless it has a good ground field and if the battery has died. You may not be able to be able get it to run. Try a jump. If it starts and runs, un-hook the ground and see if it stays running. Good luck.
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