Take pictures of the current configuration. For older Pontiacs, the vehicle speed sensor can be a major obstacle if you want to know how fast you are going. Reattach it by screwing it to the mounting points that held the old speedometer in position.
Things You'll Need Owner's manual for your vehicle. It can also be used to shift gears at the right time during acceleration and braking. Cut out a notch in this grommet to pass the wires through or drill a new hole for the wires to be sent.
If the model is compatible with your car, they should connect as the old one did. This is a great idea, but the actual execution fell far short of expectations accompanied with complaints of excessive noise and erratic performance. Reconnect the wiring as your owner's manual schematic and your reference pictures indicate. Wrap the contact point with extra electrical tape and use the silicon gel to support the wires in the center of the access hole. There is one final option that is both affordable and, in terms of actual labor, continental dating offers the path of least resistance.
Depending upon your choice of gauges, Auto Meter, Dakota Digital, Speedhut, and many others, offer tons of options. Make sure everything is in working order. Once that is done, both the odometer and speedometer will read accurately, regardless of other modifications you make to the drivetrain. Vehicles with an automatic transmission may also have a gear selection wire connected to the speedometer.
The pistons inside the engine pump the crankshaft to spin. Modifying an older Pontiac is often like painting a house. Otherwise, the SpeedBox performed just as intended with a constant, unwavering speed display. Use a tachometer to know when to shift and when to stop pushing a motor for more.
Mercury speedometer hookup
All of these are excellent ways to go. You will have to reconnect any electrical plugs that you disconnected when removing the plate as well as snap the pressure clips back in place before tightening the screws in place. After removing the screws, the face plate around the instrument panel will still be held in place by pressure clips.
How to Wire a Tachometer
Criticisms of earlier cable boxes claimed they are abnormally loud. Swapping late model engines and transmissions is often not easy and fraught with complex solutions. Disconnect the wiring from the current speedometer.
This involves using an electric motor to drive a cable to spin the stock speedometer. Some have one wire for a dash light while some have two. The advent of four-speed overdrive units with advanced electronic controls and lock-up torque converters has been a bonanza for the Pontiac hobbyist who desires a newer gearbox.
Through a circuit board, called a decoder, it analyzes it and then uses the calculated data to turn a small electric motor internal to the box that spins the speedometer cable. Locate your speedometer in the instrument cluster. In some model vehicles, this wiring may all be joined into one single plug that is snapped into place in the back of the speedometer. Install the tachometer into its mounting bracket in the place it will be secured to on the dashboard.
Speedhut s New SpeedBox- The Easiest Speedometer Conversion Ever
Mercury speedometer hookup Page 1 - iboats Boating Forums
- Use tie wraps to secure the tachometer wires to the body of the car.
- Use an existing hole in the firewall to pass the black and green wires through to the engine bay.
- You should be proud of yourself.
- The Cable X box comes equipped with a inch-long speedometer cable, so the box needs to be mounted within that distance from the instrument cluster.
This is precision equipment, and connections will have different parameters on different models, even years of the same model. Connect the white wire to the inside lighting switch, which will illuminate the tachometer when the headlights are on. After you reconnect it, confirm that the electrics turn on.
Warning Splice each new wire into the existing ones so that a permanent connection has been made. You can consult the parts department at a certified dealer to ensure that you order a speedometer that will fit properly into your instrument panel. But at least when it comes to spinning your speedometer, the SpeedBox offers an easy, simple, and affordable solution. Read your vehicle's owner's manual.
- Our impression after running this box for a couple of weeks is that you might be able to hear it if the box was sitting next to your ear while driving a whisper-quiet Cadillac.
- Separate the wires that will be connected inside the passenger cabin and those that will run into the engine compartment through the firewall.
- Click once, travel a measured mile and click again and the speedometer is calibrated.
- This often requires a major instrument cluster facelift.
One area of the Pontiac drivetrain that has advanced dramatically from yesteryear is the automatic transmission. This is a relatively complex car repair, and you should not attempt it as your first automotive project. He said that using the new cable supplied with the box would solve that issue. This article was written by the It Still Runs team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information. Thus, single dating world your stock speedometer works properly and has no idea that the cable is being spun by an electric motor instead of the transmission.
Connect the tachometer's black wire to the battery ground of the vehicle. Double check that you have disconnected the battery before starting. There is a series of dip switches on the decoder board, and after a few simple calculations, such as the tire diameter and rear-end gearing, you set the internal calibration.
Though all of the wiring will still be connected, you will have some room to ease the instrument cluster forward from the dash. Include your email address to get a message when this question is answered. What is especially interesting about the Cable X system is that it is easily programmed for very accurate results. Continue to use tie wraps to secure the tachometer's wires to the outside of the engine compartment and up to the battery junction box.
Set the new speedometer in place on the instrument panel. Speedhut addressed this issue with what they call the Hot Start connection. Make sure you store the screws in a safe spot where you will not lose them while working on the installation.
Slide the instrument cluster back into position. One thing worth mentioning is that the SpeedBox can be used on any car that uses a mechanical speedometer. The red wire is for the ignition switch. Tip Protect the wires going through the firewall from damage done by the sharp metal edge of the firewall hole.
Ordering a component with everything you need is essential. While they both speak mph, they do so in completely different dialects. Avoid short circuits and poor tachometer performance by making the right connection the first time. Otherwise, dating you may turn the relatively easy gauge swap into a much more difficult electrical problem that requires a professional.
Already answered Not a question Bad question Other. Keep your tools and safety gear close at hand during the installation of an electronic tachometer. Run the tachometer wiring around or through the dash board down to the firewall behind the gas pedal. There will likely be additional screws on the back of the instrument panel that hold the speedometer in place. Be very careful during this because it is possible to break the clips.
You may have to tighten down some connections as well. Connect the green wire to the negative post of an existing electronic coil or Electronic ignition system using a tachometer adapter as a connector. Facebook Twitter Google Plus Email. Pull the instrument cluster out of the dash.