Been wondering what these 2 devices are and what they do.
- 
 vagabondSenior Member vagabondSenior Member- 3455
 
- 
 CarelessSenior Member CarelessSenior Member- 13279
 
 My vac pump just stopped working all of a sudden, is there a fuse? Or should i try replacing the relay?
- 
 BLOZ UPSenior Member BLOZ UPSenior Member- 2971
 
 Try putting +12v and ground on it, if it works, then it's something else. move on the the relay, etc.BLOZ UP.com
 It is not recommended to confirm proper installation by driving into walls or other barriers as this could cause personal injury or damage to the vehicle.

