What does this wire near oil dipstick do? It's a black wire that goes into the black cylinder when you look over from the passenger side of the car, to the left of the oil dipstick. Is it safe to drive around with it like this?

dont remove that switch without an evac on the ac system first and dont leave the switch out very longcsr ma71 said:What does this wire near oil dipstick do? It's a black wire that goes into the black cylinder when you look over from the passenger side of the car, to the left of the oil dipstick. Is it safe to drive around with it like this?
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