RPM ACTIVATED SWITCH WIRING DIAGRAM
Digital RPM Activated Window Switch
This wire will remove the ground source at your desired On rpm, and complete the ground circuit at the set Off rpm. Note: The output wires are capable of a switch load of 2.5 amps, continuous. The operating input voltage of the Switch is 9-18 volts. OUTPUT WIRES YELLOW Normally Opened. This wire will provide a ground source at your desired On[PDF]
INSTALLATION GUIDE Digital RPM Activated Window Switch
Tach Output - Blue Connect to your desired RPM activated device. Note: If the device to which the blue wire is attached draws more than 3 amps, a relay must be used to drive tat device or damage to the unit will occur. Warning: If using this switch with a multi-coil vehicle you must attach the
Wiring for 8950 RPM activated switch
May 23, 2007I would like to run two relays on the 8950 rpm activated switch, using the yellow (NO) and gray (NC) lines. Do you have a timing diagram for the Yellow and Gray wires once the chip rpm is reached? Are the yellow and gray wires a "Make before Brake" connection or a "Brake before Make" connection. In other words, the gray wire is grounded before the RPM chip is reached, however at
MSD IGNITION 7AL-3 7230 INSTALLATION INSTRUCTIONS
Page 8 INSTALLATION INSTRUCTIONS Figure 9 Connecting the RPM Activated Switch. Basic Wiring: This example illustrates how to connect the RAS to activate a shift light at 7,000 rpm (Figure 9). 1. Connect the Gray wire to the RAS On/Off terminal and to a switched 12 volt source.
Relay Wiring Diagram Needed - Holley Performance Products
Jun 24, 2008Need a wiring diagram for wiring up a electric shift solenoid to the internal RPM activated switch of a 7AL-3 Box or Digital 7 Box. My solenoid is the spring loaded type that you remove ground to activate. I have wired them up in the past using 2 relays but I thought there might be a way to do it with just one.
Hooking up shifter solenoid to 7al3 - Racingjunk Forums
Sep 03, 2009Your wiring is correct, however With an electric shifter I would wire the shifter to a relay and let the 7al3 energize the relay to activate the shifter. The rpm switch in the box may not be able to handle the current required to activate the shifter. Also the car may need to be running and the alternator charging to kick the shifter.
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