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Your 1997 truck shuts off when you take the negative cable that gos to the battery what could it be cause it keeps killing your battery you already put a new alternator?
Wiki User
∙ 14y ago
The engine and all the electrical systems on a vehicle need electricity to operate. In order for electricity to flow to all these devices requires a "complete" circuit.
When you remove the negative cable, or disconnect or cut any wire, current cannot flow through it, and thus everything "shuts" down.
Removing the cable, or "opening" the circuit in any manner is exactly the same as turning off a switch!!!!!
Wiki User
∙ 14y ago
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Without knowing what kind of vehicle you're driving, this is not simple. If you put a "new" alternator in, you probably got a bad one. If you put a used alternator in you MOST LIKELY got a bad one. This is why it's usually best to leave this to a proffessional,then it's his headache! Have someone test the voltage at the battery, it should be around 13-14 volts when running. If it's not, make sure the belt is tight,no too, but tight. If still there's no change, you need another alternator.
