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Catalog #71900
Progressive Nitrous Controller
www.edelbrock.com
Please study these instructions carefully before installing your new Progressive Nitrous Contoller. If you have any questions,
please contact our Technical Hotline at : 1-800-416-8628 from 7 am - 5pm, Monday-Friday, Pacific Standard Time or e-mail
us at Edelbrock@Edelbrock.com.
Important Information - You must use Static Suppression Ignition Wires with this controller. The
71900 Progressive Nitrous Controller contains high frequency
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www.edelbrock.com 71900 - Progressive Nitrous Controller The 71900 Progressive Nitrous Controller was designed using the latest digital technology available. The result is a controller which is extremely accurate and user-friendly. A simple and functional programming interface allows the user to set important nitrous parameters in a matter of seconds, all without the use of external programmers or computers. An Options Menu has been included to enable the user to customize the controller for a p
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www.edelbrock.com Nitrous Delay Timer: A digital timer is provided that can be used to delay the start of the nitrous. This timer begins counting down when the activation terminal is on (+12v applied). If the activation signal is removed, the delay timer will halt until the signal is re-applied. The delay timer can be programmed from 0.000 to 9.999 seconds. Nitrous Starting Percentage: The user can program the amount of nitrous power that will be applied after the nitrous delay timer has elapsed
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www.edelbrock.com TABLE OF CONTENTS Page # Programming +12 Volt Timer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Nitrous Delay Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Nitrous Starting Percentage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Nitrous Ending Percentage. . . .
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www.edelbrock.com Programming the +12 Volt Timer Press and release the FUNCTION switch until the message “+12V Timer Delay” appears on the display. After the function message has scrolled across the display, the current +12 Volt Timer setting will appear on the display. To adjust the +12 volt timer value, press the desired digit button and the value of that digit will increment. The digit will roll over to 0 and begin counting up again if the user continues to release and press the digit button.
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www.edelbrock.com Programming the Nitrous Starting Percentage Press and release the FUNCTION switch until the message “Starting Percentage” appears on the display. After the function message has scrolled across the display, the current nitrous starting percentage setting will appear on the display. To adjust the nitrous starting percentage value, press the desired digit button and the value of that digit will increment. The digit will roll over to 0 and begin counting up again if the user contin
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www.edelbrock.com Programming the Nitrous Power Ramp Time NOTE - If the dual ramp feature is enabled fron the options menu, there will be a “Nitrous Build Time #2” in the menu list. The programming method is the same as the “Build Time #1”. Please refer to the section “Options Menu” and “Using the Dual Ramp Feature” for more information. Press and release the FUNCTION switch until the message “Nitrous Build Time #1” appears on the display. After the function message has scrolled across the displ
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www.edelbrock.com Viewing Run Data and Entering the Options Menu Press and release the FUNCTION switch until the message “Edelbrock Nitrous Systems - 71900” appears on the display. Press and hold the ENTER switch, the display will show the time at which the activation input was turned OFF for the previous progressive cycle. After 5 seconds, the display will show the nitrous percent at which the activation input was tuned OFF for the previous progressive cycle. The controller will only save the f
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www.edelbrock.com Setting the Dual Nitrous Power Ramp ON/OFF Enter the Options Menu, press and release the FUNCTION switch until the message “Dual Ramp Nitrous” appears on the display. Press and release the ENTER switch to turn this feature ON or OFF. After pressing the ENTER switch, the display will show the new state of the selected option. Refer to the “Exiting the Options Menu” to return to the main menu. If this option is ON (Factory Default is OFF) two more selections will appear on the Ma
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www.edelbrock.com Setting +12V Timer Output Hold ON/OFF Enter the Options Menu, press and release the FUNCTION switch until the message "+12V Timer Output Hold" appears on the display. Press and release the ENTER switch to turn this feature ON or OFF. After pressing the ENTER switch, the display will show the new state of the selected option. Refer to "Exiting the Options Menu" to return to the Main Menu. When this option is OFF (Factory Default) the +12V timer output will turn OFF each time the
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www.edelbrock.com How the Dual Power Ramp Functions The dual nitrous ramp feature enables the user to have more precise control over the nitrous power ramp. When the dual ramp feature is enabled, there are two more selections added to the Main Menu. These are "Final Percent #1" and "Nitrous Build Time #2". Using these extra set points the user can build a power ramp that in non- linear (i.e.- can be small power increase for 2 seconds and then ramp to full power very rapidly). Please view the exa
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www.edelbrock.com Items Included with the 71900 Controller 1 - Wiring Harness 2 - Installation & User Manual Items Needed that are NOT Supplied with Controller 1 - Nitrous Kit 2 - Safety Solenoid 3 - Activation Switches as needed, if they were not included with the nitrous kit. 4 - RPM Window Switch; required in EFI vehicles that have an over-rev fuel cut (See pg. 13) Cautions and Warnings 1 - Always follow installation guidelines and safety precautions when installing any other related componen
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www.edelbrock.com Typical Progressive Controller Wiring Diagram An optional RPM window switch may be connected here. Any RPM switch with a ground control output may be used. NOTE - Most factory fuel injection systems will cut the fuel during an over-rev condition. If the nitrous is NOT controlled by an RPM switch, engine damage may result. Progressive Controller with Transbrake Wiring Diagram Ground Transbrake Transbrake Solenoid Switch Activation +12 Volts +12 Volt W.O.T. Switch +12V Timer Out
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Progressive Controller Wiring Diagram with Several Options ©2008 Edelbrock Corporation Page 14 of 17 Brochure #63-0473 Catalog #71900 Rev. 08/08 - AJ/mc Nitrous Arming Switch Micro 87 Switch 87 87A MSD Multi Step Retard +12 Volt 86 85 87A 30 86 85 30 1 2 3 Trans Brake Button Ground Ground Trans Brake Solenoid +12 Volt Ground Micro Fuel Nitrous Switch Solenoid Solenoid MSD 2 Step 87 To Crank 87A Trigger Ground 2 1 Ground Ground 86 85 30 Ground +12 Volt Progressive Ground Controller 71900 To Other
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www.edelbrock.com Electrical Specifications Normal Operating Voltage 10.0 to 16.0 Volts, Negative Ground Controller will turn OFF at 6.2 Volts +12 Volt Timer Output 1 AMP Maximum, 80mA sink to ground when timer output is OFF. Nitrous Solenoid Ground 45 AMPs Maximum Activation Input .5mA at 12.0 Volts Weight .8 lb. Overall Height 1.125 in. Overall Width 4.000 in. Overall Length 4.700 in. Caution - DO NOT submerge controller in liquid or directly wash unit with liquid of any type! Preventing RF /
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www.edelbrock.com Controller Wiring Controller power and ground wires should be routed directly to the battery or other isolated power source. For excessive distances, supplied power wires should be replaced with heavier gauge wire. Two red wires are supplied for wiring the progressive controller; the larger diameter is for the 12 volt supply, while the thinner wire is for the +12v Timer output function. Nitrous toggle switch and solenoid relay power and ground wires should be routed directly to
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www.edelbrock.com SERVICE In the event that your Progressive Nitrous System should need servicing, return the unit freight pre-paid to the Edelbrock Service and Repair facility at 2700 California Street, Torrance, CA 90503. Do not attempt to disassemble or service the components of the system yourself. Doing so may void the warranty. WARRANTY It is the constant endeavor of the Edelbrock Corporation to provide our customers with the highest quality performance products. Edelbrock warrants to the
