Specifications Type:AC Heater Control Panel Operating Voltage: 12 Volts Reference Numbers:Suitable for 2L3Z19980BA, 1L2Z19986AA, F65Z19B888AA, 2L3Z18519, F81H19E764AA, YL3H19E764A Compatible with: Suitable for Ford F-150 Base, Lariat, Lightning, XL, XLT 4.2L V6 - Gas, 4.6L V8 - Gas, 5.4L V8 - Bi-fuel, 5.4L V8 - Gas 1999 Suitable for Ford F-150 Base, Harley-Davidson Edition, Lariat,lightning,X, XLT 4.2L V6 - Gas,4.6L V8 - Gas, 5.4LV8 - Bi-Fuel, 5.4L V8 - CNG, 5.4L V8 - Gas 2000 Suitable for Ford F-150 Harley-Davidson Edition, King Ranch, Lariat, lihtning,X, XLT 4.2L V6- Gas, 4.6L V8- Gas,5.4L V8 -B-Fuel, 5.4L V8 - CNG, 5.4L V8. Gas 2001 Suitable for Ford F-150 Harley-Davidson Edition, King Ranch,Larat, lightning, XL,XLT 4.2L V6 - Gas,4.6L V8 - Gas, 5.4L V8 -BFUEl, 5.4L V8 - CNG, 5.4L V8. Gas 2002 Suitable for Ford F-150 Harley-Davidson Edition, King Ranch,Lariat, lightning,X, XLT4.2L V6 - Gas, 4.6LV8 - Gas, 5.4L V8 - Bi-Fuel, 5.4L V8 - CNG, 5.4L V8. Gas 2003 Suitable for Ford F-150 FX4, Lariat, STX, XL, XLT 4.6L V8 - Gas, 5.4L V8 - Gas 2004 Suitable for Ford F-150 Heritage svT Lightning, XL, XLT 4.2L V6 - Gas, 4.6L V8 - Gas, 5.4L V8 - Bi-Fuel, 5.4L V8 -CNG, 5.4L V8 - Gas 2004 Suitable for Ford F-250 Base, Lariat, XL, XLT 4.6L V8 - Gas, 5.4L V8 - Bi-Fuel, 5.4L V8 - CNG, 5.4L V8 - Gas 1999 Suitable for Ford F-250 Super Duty Lariat, XL, XLT 5.4L V8 - Gas, 6.8L V10 - Gas, 7.3L V8 - Diesel 1999 Package include: 1x AC Heater Control Panel without Switches