Black box

Patrick McAneny

I have a Volvo TMD22a and there is a black box mounted on the front side of the engine that contains relays ,etc. The box is held in place with rubber bushings , three of my bushings have broken and all need to be replaced. Does the box need to be electrically isolated from the engine ? I have found bushings online with studs on both ends ,but I don't know if the studs go through the center and is one stud or two separate studs. It would not matter if the box does not need to be isolated .
SM Shenanigans

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