Forum Discussion
CA_Traveler
May 23, 2019Explorer III
The 12V wire is open perhaps due to a bad connection or other component. Your voltage under load indicates this. The compressor clutch may also not be activated.
Voltmeters have very high impedance which means they have virtually no load which is why it reads 12V until you turn the A/C on.
Voltmeters have very high impedance which means they have virtually no load which is why it reads 12V until you turn the A/C on.
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