Custom Analog Settings

The Wide Band Commander is now capable of reading (2) Analog inputs. If you have a unit with a serial number higher than 040604006965, you'll be able to take advantage of some new features in the latest software release. These units are easily identified by verifying the presence of a yellow wire running along side the orange RPM input wire. Your kit may have included and extra length of yellow wire with a terminal end, this is designed to plug into the 2 pin connecter that houses the orange RPM wire.

The Analog channels can be configured to show Throttle Position, Voltage, or User Defined Custom Values. The user defined custom Analog input setting is designed to develop transfer functions of voltage vs. output values. Be sure to download the latest tutorials for a demonstration. You can also download the "WBC Sensor Calculator" to automatically generate a custom transfer function for currently supported sensors.

Common uses of the user defined custom setting would be for showing boost or fuel pressure. Let us know if you have data on a sensor that you'd like to use and we'll add it to the "WBC Sensor Calculator".

If you would like Dynojet to modify your Wide Band Commander to include the second Analog Input please contact us.

Stable TPS Readings

Proper grounding is essential to ensure a stable TPS reading. If you have noticed that your TPS reading is a bit "jumpy" with the throttle closed, it's most likely caused by a poor ground. To get the best possible TPS reading on the Wide Band Commander, connect the black / white ground wire to the TPS ground and the black heater ground wire to the engine or battery cable.

Warning Light Options

The WBC is configured to drive an LED warning light. If you would like to source an LED, be sure that it draws less than 40 mA. The warning light output is a sink to ground with 300 ohm series resistor. You should be able to wire an LED directly to the WBC harness without the need of adding a resistor.

Hook up is easy! Locate the supplied length of yellow wire with the terminal end and simply plug it into the open hole on the gauge harness connector. You should run this yellow wired to the ground on the LED. Run a 12v source to the positive side of the LED and you are ready to go. To configure the LED on/off conditions, simply open the WBC software and open the warning light detail in "Device Settings".

RPM Signal Options

The WBC is looking for a square wave pulse from the negative side of a 0-12v circuit. On most vehicles you'll be able to tie into the negative side of the coil and find a stable signal. This would apply to a single coil system, multiple coil packs, or even coil-on-plug systems. If you are having difficulty finding this type of source on your vehicle, you can use the negative side of the fuel injector circuit. This actually works as well as referencing the coil, if not better in some cases!

Remember, you'll still need to experiment with the sensitivity and RPM divisor in "Device Settings" to find the proper configuration.

Data Acquisition Output Transfer Function

Click here to download a spreadsheet for the transfer function of voltage vs. A/F. (Microsoft Excel format .xls)