2.2
Connecting the Tachometer
The tachometer is supplied with flying leads so that you can fit
the connector of your choice to the car loom. The table lists the
functions of the five free wires.
Wire Colour
Function
Connect To
Black
Ground or Earth Ground or Chassis
Red
12 volt Supply
A fused 12 volt supply from
the master switch or Ignition
if there is no master switch
Violet
Trigger input
Negative side of coil or to
dedicated tacho output from
engine ECU
Grey
Shift Light 1
Output
Supplied shift light ONLY or
52 mm gauge tell-tale enable
Blue
Shift Light 2
Output
Supplied shift light ONLY
Orange
Backlighting
Lighting 12 volts
2.2
Connecting the Tachometer
The tachometer is supplied with flying leads so that you can fit
the connector of your choice to the car loom. The table lists the
functions of the five free wires.
Wire Colour
Function
Connect To
Black
Ground or Earth Ground or Chassis
Red
12 volt Supply
A fused 12 volt supply from
the master switch or Ignition
if there is no master switch
Violet
Trigger input
Negative side of coil or to
dedicated tacho output from
engine ECU
Grey
Shift Light 1
Output
Supplied shift light ONLY or
52 mm gauge tell-tale enable
Blue
Shift Light 2
Output
Supplied shift light ONLY
Orange
Backlighting
Lighting 12 volts