123 Wiring Diagrams
Negative Ground Switched
Negative Ground TUNE USB
Negative Ground Bluetooth TUNE+
Positive Ground (Applies to Switch TUNE and TUNE+ Models.) In case of the TUNE, Yellow wire goes via electric switch to Earth ( +12 Volt)
D-Jetronic Negative Ground Switched
HKZ 3-Pin Wiring Diagram Compliments of 123ignition.de
Porsche 911 3.0 SC w/6 pin HKZ
User accepts all responsibility for wiring after market components to the 123ignition
For Smith's RVI Tachometers
