Raptor Shift Light Install-Ram SRT10
The switched power source came from circuit F984 pink/yellow at connector C220 pin #14 under the dash to the left of the clutch pedal. Ground just went to an IP brace.
The tach signal can be picked up at the PCM located in the passenger rear of the engine compartment. There are 5 different coil driver circuits that can be used all located in the black PCM connector C1 (the bottom connector). Any one of these can be used...
Pin #1 is circuit K133 dark blue/white for coil control #4
Pin #3 is circuit K18 dark blue/orange for coil control #3
Pin #5 is circuit K134 dark blue/yellow for coil control #5
Pin #7 is circuit K19 dark blue/dark green for coil control #1
Pin #9 is circuit K17 dark blue/tan for coil control #2