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Last Updated
03/31/2019
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION. |
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AUTOMOBILE INSTRUMENT sa SPEEDOMETER sa TACHOMETER xx AUTOMOBILE Schematic for an automobile accessory to display the miles per gallon on an LED display. Automobile idiot lights. Very low-cost circuit monitors your car's electrical system with high-low voltage indicators. Extra warning lights on your automobile dashboard will tell you if voltage under various operating conditions falls below normal. Update your automobile dashboard with six accurate digital gauges (voltage, oil pressure, water temperature, fuel, vacuum, and miscellaneous temperature). Smartgage. Digital display dashboard instrument gives precise readouts of your car's water temperature, oil pressure, and battery voltage. Est. cost: $90. Smartgauge. Build this automobile dashboard instrument to get precise readouts of water temperature, oil pressure, and battery voltage. Est. cost: $90 (kit). Adding old-fashioned gauges to modern automobiles. Part 1. Designing the power supply. Adding old-fashioned gauges to modern automobiles. Part 2. Designing the power supply (continued). Hang this expanded scale voltmeter on your dashboard. Monitor the condition of your battery and alternator over the range of 11 to 16 volts. Digital voltmeter for the dashboard of your car keeps track of your electrical system while you drive. Estimated cost: $28. Digital temperature gauge monitors your cars cooling system. Estimated cost: $29. Digital oil pressure gauge for your automobile. Estimated cost: $29. Auto battery/alternator monitor. Installed in your vehicle, it will warn of a charging-circuit problem and other abnormal battery behavior. Intelligent idiot light. Warning circuit for your car can monitor the charge status of your auto's battery. Automobile battery voltage monitor circuit lights an LED if voltage falls below 11 volts. Assemble a frost indicator alarm for use in your car. Turns on an LED whenever the temperature outside your car reaches 37-degrees F. or less, the temperature at which road ice begins to form. Est. cost: $24. Tip: Use a soldering gun to "cut" clean cutouts in brittle plastic, such as automobile dashboards. Installing an oil pressure gauge and ammeter. How to service a control panel or dashboard instrument panel. Where to look for the fasteners that allow the panels to be pulled out for service. Circuit for a low voltage warning light. LED will turn on if voltage from the car's ignition switch drops below 13.8 volts. Automotive battery/charging system analyzer. Simple, low-cost circuit uses a series of LEDs to report on vehicle electrical-system status. Auto voltmeter keeps tabs on charging system. Catches battery failures before they happen. Automatic light blinker. Simple two-transistor circuit will cause automobile oil pressure, ammeter, or temperature warning lights, etc., to flash when operating. An accessory audio alarm will sound off if any of the engine warning lights (oil pressure, ammeter, etc.) turn on. Auto battery voltage monitor lets you know when your battery needs charging. Est. cost: $15. Build an automobile logic alarm. It monitors five electrical points in the car and sounds an alarm when the wrong conditions occur, such as headlights left on, oil pressure too low, engine overheated, etc. Build a car ignition monitor. Provides a visual indication of timing angle, rpm, dwell and system dc voltage while you drive. Uses a tachometer as the system's parameter indicator. Est. cost: $27 plus tachometer. Digital fuel gauge. Three-digit display indicates what percentage of fuel remains (100% down to 0%). Est. cost: $25. Audio alarm sounds off whenever a warning light or meter on your dashboard is activated. Can also be used to tell you to turn off headlights and window defogger. Vehicle low-fuel indicator. Sounds alarm when fuel drops to a predetermined level. Automotive econometer. A solid-state vacuum gauge monitors gas consumption and driving habits. Eight LEDs light up to show how much vacuum exists. Estimated cost: $20. Build an infrared road icing alert alarm. Detects when conditions for ice on the road exist. An early-warning car battery-drain indicator replaces the standard "idiot" light with a visual-audible monitor which indicates low, normal and high voltage conditions. Est. Cost: $28. How to install gauges to replace warning lights for oil pressure, ammeter, temperature and tachometer. An accelerometer (G-meter) for the dashboard of your car uses liquid to show acceleration and lateral forces acting on the car. Helps determine performance. Four electronic kits for your car. A look at two tachometers, a windshield wiper delay and an inverter/battery charger. Auto battery test light plugs into cigarette lighter socket. Lamp turns off of voltage drops below 9.2 volts when starting engine. Such a drop indicates a low battery. Automobile voltmeter monitors your cars electrical system. Voltage is picked up from cigarette-lighter plug. Voltage is displayed on meter and on three lamps (red, yellow, green). Estimated cost: $17. Build a sophisticated voltmeter and car burglar alarm combination from kit or plans. Est. cost: $20. The travel computer. Electronic device mounted on dashboard keeps track of the distance and time you intended to drive and compares it with your actual distance and displays the difference. Electronic service minder for your car keeps track of how many hours the engine has been run (up to 100 hours) and sounds a pleasant alarm when the time is reached. Use as a guide for servicing your car. Why your car needs a dashboard-mounted vacuum gauge. It will help alert you to inefficient fuel usage. How to install and interpret the meaning of its readings. Installing and using an MPG meter in your car may result in fuel savings. Special section on auto maintenance. (1) How to evaluate if your car is worth keeping. (2) Install add-oil alarms. (3) Add-on overdrive. Build this digital voltmeter for your car's dashboard. Est. cost: $30. Build this digital temperature gauge to monitor your car's engine temperature. Est. cost: $33. Digital oil pressure gauge for your car. Est. cost: $33. Bargraph voltmeter for your car. Est. cost: $25. Build a digital dashboard. Six accurate, good-looking gauges measure voltage, oil pressure, water temperature, vacuum, fuel, and miscellaneous temperature. Part 1. Digital dashboard. Part 2. Tips on operating 12-volt auto instruments on 6-volt vehicles. Moto Meter Gauge & Equipment Corp. (Toledo OH) automobile instruments. Excerpts from 1930 service manual. Part 1. Ammeters, oil pressure gauges and heat indicators. Moto Meter Gauge & Equipment Corp. (Toledo OH) automobile instruments. Excerpts from 1930 service manual. Part 2. Nagel electric gasoline gauges. Moto Meter Gauge & Equipment Corp. (Toledo OH) automobile instruments. Excerpts from 1930 service manual. Part 3. Neco electric gasoline gauge. Moto Meter Gauge & Equipment Corp. (Toledo OH) automobile instruments. Excerpts from 1930 service manual. Part 4. National Electric gasoline gauge and combination gasoline/oil gauge. Moto Meter Gauge & Equipment Corp. (Toledo OH) automobile instruments. Part 5. Excepts from 1920s catalog. Nagel ammeters, oil pressure gauges, and gasoline gauge. Restoring oil pressure gauges which use a Bourdon tube for measuring pressure. Chevrolet Corvair chassis electrical system servicing. Part 2. Instrument cluster wiring. | |||||||||
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