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      Engine Gauges

      • VDO SingleViu 100mm (4") Speedometer - 140 MPH
        $269.99
        $209.99

        SingleViu 100mm (4") Speedometer - 140 MPHSingleViu instruments represent the latest technology in instruments, and offer a top of the line solution by being able to work directly with traditional analog senders or work directly off a J1939 CAN network...

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      • VDO SingleViu 100mm (4") Tachometer - 2500 RPM
        $269.99
        $209.99

        SingleViu 100mm (4") Tachometer - 2500 RPMSingleViu instruments represent the latest technology in instruments, and offer a top of the line solution by being able to work directly with traditional analog senders or work directly off a J1939 CAN network...

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      • VDO SingleViu 100mm (4") Tachometer - 4000 RPM
        $269.99
        $209.99

        SingleViu 100mm (4") Tachometer - 4000 RPMSingleViu instruments represent the latest technology in instruments, and offer a top of the line solution by being able to work directly with traditional analog senders or work directly off a J1939 CAN network...

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      • VDO Wastewater Level Sender
        $685.71
        $224.99

        Wastewater Level SenderVoltage: 12-24VLength: 80-600mm4-20mAWARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to...

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      • Faria 2" Heavy-Duty Ammeter (60-0-60) - Black
        $32.99
        $28.99

        2" Heavy-Duty Ammeter (60-0-60) - BlackAn ammeter indicates the current flow through the battery charging system. A "zero center" ammeter, during chargine, shows a (+) positive reading indicating the current is flowing to the battery (charge). A (-)...

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      • Faria Newport SS 5" Speedometer - 0 to 60 MPH
        $129.99
        $104.99

        Newport SS 5" Speedometer - 0 to 60 MPH The Newport Stainless Steel (SS) family of marine gauges is a classic style of gauge, engineered to be the new Modern Retro.  Designed with the latest fog resistant features, this Retro Style gauge far...

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      • Faria Newport SS Outboard 4 Gauge Box Set
        $299.99
        $248.99

        Newport SS Outboard 4 Gauge Box SetThe Newport Stainless Steel (SS) family of marine gauges is a classic style of gauge, engineered to be the new Modern Retro.  Designed with the latest fog resistant features, this Retro Style gauge far surpasses...

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      • Faria Oil Pressure Sender (1\/8 NPTF European 10 Bar) - Single Standard
        $139.99
        $116.99

        Oil Pressure Sender (1/8 NPTF European 10 Bar) - Single StandardPerfect replacement or upgrade to your boat.Features:Single StandardThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any...

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      • Paneltronics Analog AC Frequency Meter - 55-65 Hz
        $139.95
        $94.99

        Analog AC Frequency Meter - 55-65 HzFeatures:Window mount Easy to read compatible scale plates True RMS DC ammeters accurately read inverter modified square wave output (ABYC E-11.11.3.2.3.) DC ammeters can be installed on panelboards that are...

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      • Paneltronics Digital AC Ammeter- 0-100ACA
        $159.95
        $133.99

        Digital AC Ammeter- 0-100ACAMonitor marine/land based power distribution & generating systems (ABYC E-11.11.3.2.) AC voltmeter and AC ammeter are true RMS (ABYC E-11.11.3.2.3.) Surface mount with only two 5/32" diameter holes Window mount in standard 2...

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      • Paneltronics Digital AC Voltmeter- 10-250VAC
        $159.95
        $124.99

        Digital AC Voltmeter- 10-250VAC Monitor marine/land based power distribution & generating systems (ABYC E-11.11.3.2.) AC voltmeter and AC ammeter are true RMS (ABYC E-11.11.3.2.3.) Surface mount with only two 5/32" diameter holes Window mount in...

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      • Raritan MK2 Rudder Angle Indicator
        $1,010.00
        $688.99

        MK2 Rudder Indicator w/2" RD. Analog Panel Meter, Chrome, 12vThe Ruddermaster indicates at a glance how far the rudder is from a straight-ahead position. As the steering wheel is turned, the sending unit communicates the angle of the rudder to the...

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      Boat Gauges

      Marine gauges are usually console-mounted to allow boaters an overview of the operations at a glance. Each boat gauges indicates an important boating function such as travelling speed, engine temperature, the number of operating hours, the water depth, fuel level, wind speed, water temperature, oil pressure and the amount of electricity being generated. Trouble is, moisture is the enemy of electronics and can cause them to malfunction or just stop working altogether. When your boat gauges are no longer functioning accurately, replacement is recommended over repair. Here is an overview of how boat owners may troubleshoot their gauges to determine if they are functioning properly.

      To Troubleshoot Temperature, Oil and Fuel Gauges:

        1. Locate engine sending wire and disconnect.  If the needle drops to low-scale, replace the entire unit.
        2. If non-responsive, locate and disconnect the wire from the back of the "S" terminal. Again, if the gauge moves to low-scale, the wiring is grounded, and repair, not, replacement is advised

      To Troubleshoot an Oil Pressure Alarm Switch:

      Use a Volt Meter on this electrical component.

        1. Locate the wire on the switch terminal and disconnect.
        2. Engine must be turned off for this next step: Connect one lead of the multimeter to the sender terminal and connect the other to a ground on the engine.If the switch remains close at low pressure, meter should show continuity (low resistance).
        3. Turn on the engine and check resistance. The pressure switch should open when oil pressure exceeds appx. 5psi. Now the reading should indicate infinite resistance or max scale. If not, replace the unit.

      When you need to upgrade or replace your boat gauges, call Wholesale Marine. We carry the best brands, offer a competitive pricing guarantee and most items flat rate ship the same day. Returns are stress free and we look forward to answering any questions you may have. Make us your one-stop boating shop!  We’re here for you Monday through Friday from 9:00 AM until 6:00 PM EST at (877) 388-2628. Be sure to ask about our Captain’s Club Rewards program for additional discounts the next time you shop at Wholesale Marine!