Caution, How to attach the signal wire, Tachometer – Defi Link Meter User Manual
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TACHOMETER
2.HOW TO ATTACH THE SIGNAL WIRE
＊Please consult your local car dealer for the place of Engine Computer
Unit(ECU) and the place of the engine revolution signal.
●Before tapping engine rev signal cable, please make sure that you have
disconnected the negative (-) cable from the negative terminal of the battery. If any
battery line is live, there is a risk of destroying the ignition coils or ECU.
CAUTION
Tachometer
Signal wire
Control Unit Ⅱ
Solderless
connector
ECU
（Engine Computer Unit）
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