Problem Starting 80'
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Joined: Sep 2009
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Problem Starting 80'
I have a 1980 5.7L. So when i go to start i just get a few slow cranks and then it stops and i hear a buzz coming from around the starter area. If i leave the car for a day the battery dies and i have to use jumper cables.
Try a new or donor battery just to see if that is it. Sure sounds like it to me. 
Le Mans Master
Joined: Oct 2000
Posts: 6,362
Likes: 30
From: Oak Harbor WA
Try a fully charged battery. A low volt battery will make the solenoid do that buzz thing or may even get it to clank against the flywheel/flexplate but not have the power to turn the engine over.
If you are saying that with a new charged battery the car can only sit a few days before the battery is completely drained then you have an electrical issue somewhere.
If you are saying that with a new charged battery the car can only sit a few days before the battery is completely drained then you have an electrical issue somewhere.
Racer
Joined: Mar 2008
Posts: 428
Likes: 0
Also, use a voltmeter (VOM) to check the battery output, it should be at least 1 volt over battery voltage. This is a fast check, it only checks voltage, not amperage.
As already mentioned, the battery could have seen better days and just won't hold a charge. How old is it?
I am thinking that you already cleaned and reinstalled the cable connections so it couldn't be that, right?
