MSD Tech Line - MSD Powersports

www.msdpowersports.commsd digital shift light, pn 89631GMR PICKUP INSTALLATIONMETAL TABThe MSD GMR pickup can be used with inductiveor capacitive ignition types to provide an rpmWASHER MUST BE ON TOP OF METAL TABsignal of 30% duration when the ignition coil fires.GMR PICKUPTwo washers are provided with the pickup andmust be installed in one of two positions dependingon the type of ignition driving the coil. For latePRIMARY COIL (+) WIREmodel applications, it is recommended to have awiring schematic of the vehicle’s ignition system.On some motorcycle and ATV applications,Looping Coil Wire.the stock coils do not produce a long enough pulse. In these cases, loop the coil wire throughthe GMR pickup twice.installing ON AN INDUCTIVE COIL-PER-CYLINDER IGNITION SYSTEM.BLACK GROUNDUPDOWNCOILHARNESSMODEGREENNote: The shift lightmust be progr a m m e dfor 1-cylinderoperation.SHIFT LIGHTSWITCHED12 VOLTMETAL TABREDGMR PICKUPGMR PICKUPSIGNALOUTPUTGREENBLACK GROUNDNOTE: The brass screw must be used for proper operation.WASHER MUST BE ON TOP OF METAL TABGMR PICKUPCOIL (+)12 VOLTSCOIL (-)TRIGGER 1COIL (-)TRIGGER 2COIL (-)TRIGGER 3IGNITIONCOILIGNITIONCOILIGNITIONCOILCOIL (-)TRIGGER 4PRIMARY COIL (+) WIRE ORDIESEL INJECTOR 12 VOLT WIREIGNITIONCOILINSTALLING TO AN INDUCTIVE COIL PACK.BLACK GROUNDPOWERTRAIN CONTROL MODULEGREENUP DOWNMODEREDNote: The shift lightmust be programmedfortwo (2) cylinderoperation.COIL HARNESSCOIL (-) 2COIL (+)COIL (-) 1GMR PICKUPSIGNALOUTPUTGREENREDSWITCHED12 VOLTTRIGGER COIL 2IGNITION 12 VOLTSTRIGGER COIL 1METAL TABBLACK GROUNDNOTE: The brass screw must be used for proper operation.WASHER MUST BE ON TOP OF METAL TABGMR PICKUPGMR PICKUP36PRIMARY COIL (+) WIRE ORDIESEL INJECTOR 12 VOLT WIREMSD POWERSPORTS • 1490 Henry Brennan DR., El Paso, Texas 79936 • (915) 858-3365 • FAX (915) 858-3496