Painless 60150 GEN IV Tachometer Driver
GEN IV Tachometer Driver This small device converts the 5 Volt 58X crank sensor signal from any Gen IV GM V8 engine into a 12 Volt signal usuable by most aftermarket and OEM tachometers.
Four wire connections to your vehicle and a simple calibration to run through will get your new tachometer up and running.
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