Sun Tune Tachometer Wiring

The pointer will move to a. It consisted of four wires ground coil power to a fuse box ignition on source along with a lighting circuit wire typically spliced into the instrument cluster light circuit. Use tie wraps to secure the tachometer wires to the body of the car.

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Insert the dimmer switch wire into one side of the splice and the white wire coming from the tachometer into the other side.

Sun tune tachometer wiring. Separate the wires that will be connected inside the passenger cabin and those that will run into the engine compartment through the firewall. In my case it s the negative. To change the ppr on tachs with three buttons follow the steps below. Wire provides the tachometer with the engine.

That s the way i wired it up. So guessing from what i ve found blue wire is for dash lights. Locate the 12 volt switched dash lighting supply for the dashboard on the car fuse box. Green wire connection.

The text offers insight into the wiring either tach it s extremely simple. Wiring was simplified too. Red wire is for 12 volts hot when on. Wire to ground see the.

Green to distributor negative tach plug. Connect the white wire to the dimmer switch control wire by using a wire splice. Wire to battery voltage grommet ring terminal. Provide power to the tachometer backlighting.

Do not start the engine. And don t forget the little cylinder selector switch on the back of almost every tach ever made if you suspect your rpm. Apply power to the tachometer by attaching the power input wire of the tachometer to the 12 volt dashboard lighting supply of the car. Nos vintage sun nos vintage sun super tach sst 802 8 000 rpm with nos chrome cup.

With no power applied to the tach press and hold the set button. Apply power to the tach by turning the ignition key to the accessory or on position. Section of this manual instrument lamp wire splice to dimmer switch. Wire splice lip unlocked tachometer wire wire splice locked electrical tape crimp ends solder.

Connect the white wire to the instrument panel lighting circuit connected to the dimmer control switch. Run the tachometer wiring around or through the dash board down to the firewall behind the gas pedal. Green wire goes to the coil side that the distributor is on. The tachometer is configured at the factory for 4 ppr.

Old school suntune tach 4 wires blue red black and green. Attach the tachometer backlighting wire.