WFOsierra

iTrader: (1)

my msd window switch says to connect to the tach wire from the PCM can n e one tell me which ione this is, its on a nnbs gmc 5.3, says white wire on pin #10, on trucks 2000 to 2005, would mine be the same?..

MSD model number 8969.

ramsey rider

iTrader: (3)

o put mine right behind the dash .pull the air vent out on the left and reach in grab the white wire in the speedo harness.itll be right in front of u .