Begin by connecting pin 85 of the relay to a clean ground point on the vehicle chassis or the negative terminal of the battery. Then connect pin 86 to the ignition switch wire — this is the wire that ...

Do you have any information, including a wiring diagram, that can help me wire my Lionel No. 450 Operating Signal Bridge using AC relays? Thanks! - Fred Richmond As Lionel operators certainly know, ...

I recently installed a new stereo head-unit in my car. One of the challenges with installing this head-unit was that a certain wire from the harness needed to be grounded, but only after the radio had ...