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Vintage Torque spects for everything

1968 volvo said:
Ok my harbor freight voltmeter isn't cutting it than. the battery doesn't die when its running and yet it reads around 12.3 volts.
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Not necessarily. While there?s a multitude of different quality meters out there, 12.3 volts is too low when charging. I?d be surprised if your meter is off by that much. You can check it out on another car. Alternator sounds suspect.
 
I found a problem. The positive terminal wasn't really that tight. I though I had tightened it down enough and it wasn't tight at all. The cable doesn't get tight enough. I took it apart and also found that the cable was really rusty. Replaced the cable and the voltmeter reads 16.68v once the car is warm and driven for a bit. I still don't trust the voltmeter all that much but that's a huge jump.
 
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