How do i hook up a monster tack in my car
Why? you already have a tachometer....
RPM: White on Ignition Power Transistor, or Pin 21 at ECU
Constant 12V+: White (Ignition Switch Harness)
Ignition: (Switched 12V) Black/White (Ignition Switch Harness)
Parking Lights: (Illumination 12V) Green/White (Above Hood Release, Gray Connector)
Ground: Chassis
RPM: White on Ignition Power Transistor, or Pin 21 at ECU
Constant 12V+: White (Ignition Switch Harness)
Ignition: (Switched 12V) Black/White (Ignition Switch Harness)
Parking Lights: (Illumination 12V) Green/White (Above Hood Release, Gray Connector)
Ground: Chassis







