[PDF] G4 Wiring and Installation Manual - EngineLogics Inc. All Link G4 Wire-In Engine Management Systems are designed with flexibility and ease of installation in mind. LinkWire-In systems are deigned to be wired to either existing wiring or preferably as a complete re-wire. In some cases adapter looms or header boards can be purchased to allow wiring of the G4 ECU to factory ECU headers. Light Switch Wiring Diagrams - Do-it-yourself-help This circuit is wired the same way as the 3 way lights at this link. Check here to see wiring diagrams for a gfci outlet switch combo when you need a device like this with ground fault protection in a kitchen, bathroom, or laundry room. This diagram shows the first wiring option for this device. In this arrangement, the connecting tab HT Jumpers & Wiring - Separate PTT Line Warning: Tigertronics has not verified the accuracy of all of the radio wiring information that is provided here. This information is provided for reference only and is NOT intended to replace our detailed jumper installation procedure. It is essential that you double-check this information against your radio's manual before doing the actual installation.