WIRING DIAGRAM FOR MSD 2 STEP 8739
MSD 8739 RPM Module Selector Installation Instructions
PDF fileMSD Module Selectors Two Step, PN 8739 Three Step, PN 8737 Parts Included: 1 - Module Selector 4 - Mounting Screws Note: Do NOT use solid core spark plug wires with any MSD component. 1 - Parts Bag, Wiring Terminals The MSD Module Selectors provide the ability to switch between two or three different rpm or degree modules.
frm22502 8739 8737 - MPS
PDF filethis diagram will provide a rev limit on the launch only and hold the line lock on until the clutch pedal is released. momentary push button switch to ground to ground module selector step module 2 module 1 pn 8739 autotronic controls corporation 1490 henry brennan dr, el paso, tx 79936 tm 87a 87 no nc c 86 85 30 figure 2 wiring a two step to aFile Size: 139KBPage Count: 4
MSD 8739 Two Step Module Selector
As an example, we'll use a drag car with a Two Step Module Selector plugged into the rpm socket of a 7AL-2 Ignition. The different rpm modules are activated when 12 volts are applied to a corresponding wire. By connecting one wire to the line-lock circuit, one module will be activated during the burnout. This helps keep tire temperatures consistent. When the line-lock button is released, theBrand: MSD