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Most starters are marked with a + (positive) and a - (negative) on the terminals themselves,just like your battery. Usually the larger terminal where the battery cable connects to the starter is the positive terminal. .

On a most starters both posts are hot(+) and the casing is grounded(-) .Usually the bigger post is a direct wire from the battery and the smaller post is a remote wire from the starter switch.

Follow the positive battery cable wire (+) to the other end, that should lead you there. Because it will be connected to the starter solenoid. Please take note, a solenoid mounted on a starter has no ground wire, but a solenoid separated from the starter and mounted on the firewall does.

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โˆ™ 2015-07-15 20:50:52
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Q: How do you know which terminal on a starter is positive and which one is ground?
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Does a John Deere B have reverse polarity?

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