The tachometer signal output wire in a 2008 Scion XB should be violet/white. In the manual this wire will always be number 5.
The 2008 Scion tC has 16 valves.
The 2008 Scion xB has 16 valves.
The 2008 Scion xD has 16 valves.
The 2008 Scion xD is a gas-powered vehicle.
The 2008 Scion tC has a 5-speed manual.
The 2008 Scion xB is a gas-powered vehicle.
The 2008 Scion xD has an inline 4 engine.
The 2008 Scion xB has an inline 4 engine.
The 2008 Scion xB has a 5-speed manual.
The 2008 Scion tC is a gas-powered vehicle.
The 2008 Scion xD has a 5-speed manual.
The 2008 Scion tC has an inline 4 engine.