I recently added a vacuum pump and switch to my car cus the engine didn't produce enough vacuum to run the brake the problem I'm having it it will randomly quit working the other night it stopped working I started screwing around and accidentally hit the ratchet against it and it took off has anyone else had this problem it it a bad switch and it sticking they say it needs to have a good ground to chassis I cleaned the frame to bare metal before attaching the ground wire and I also ran a ground from the battery it's driving me nuts I don't wanna be driving around and it go out and slam in the back of someone and destroy my car cus of this switch if anyone else had had this problem I'd appreciate some input it's the dracarys 28146