Clarion ProSecurity RK20 Guía de instalación descargar pdf (Pagina 14)

be used. The tachometer wire will show between 1V and 6V AC. In multi-coil

ignition systems, the system can learn individual coil wires. Individual coil wires

in a multi-coil ignition system will register lower amounts of AC voltage. Also, if

necessary, the system can use a fuel injector control wire for engine speed sens-

ing. Common locations for a tachometer wire are the ignition coil itself, the back

of the gauges, engine computers, and automatic transmission computers.

Important! Do not test tachometer wires using a test light or logic probe. The

vehicle will be damaged.

How to ﬁnd a tachometer wire with your multimeter:1.

Set to ACV or AC voltage (12V or 20V is ﬁne).2.

Attach the (-) probe of the meter to chassis ground.3.

Start and run the vehicle. 4.

Probe the wire you suspect of being the tachometer wire with the red probe 5.

of the meter.

If this is the correct wire the meter will read between 1V and 6V.6.

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Clarion ProSecurity RK20 Guía de instalación Pagina 14