Quote:
Originally Posted by SonicVQ
Yup, you got!
A good ground is any unpainted aluminium part of the engine. Make sure to press the ground probe firmly to ensure a good connection.
If the oil temp sensor is unplugged, the indicated temp should be around -40C / -40F.
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I did this & got 0v on the black wire & 4.79v on the green wire. I presume it's okay then?