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Old 01-06-2019, 01:39 PM
joe_padavano joe_padavano is offline
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Originally Posted by Bob37pont View Post
Shouldn't the push on contact post between the two inlets go to ground (electrically) when the brakes are pressurized?
No. It's a differential pressure switch. It only makes contact if you loose pressure on one side of the brake system and the internal piston is forced all the way to one side.

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