Aston Martin MGA MGB TR3 TR4 Lucas Rheostat Switch Dimmer

Aston Martin MGA MGB TR3 TR4 Rheostat Switch 47H5188  Lucas type panel light switch for dimmer Originally fitted to the following models. Alternate numbers BHA4278 Lucas 78405 , 47h5188  Rheostat (dash light dimmer) Triumph TR4 (Steel Dash Only), TR250, TR6, Spitfire 1975 to 1980. Made by Lucas with a great updated rheostat backing and internals. Cross Ref.# 146-000, 31126, 31251, BHA4278

• Aston Martin DBMKIII
• Aston Martin DB4 & DB4GT
• AC Cobra
• MGA 1500 1600 1600 MKII & Twin Cam
• MGB 62-67 ( may be fitted to later models  68-76 however design change)
• Triumph TR2 TR3 TR3A TR3B TR4 {metal dash)

This switch can also be used to replace late switch used in the following vehicles

• MG Midget 1275 1500 1968 on 
• Triumph TR250 TR6 thru 1972
• Triumph TR6 1973-1976
• Triumph 1975-80 Spitfire1500

Part No 47H5188 (  Lucas current quality)

Stock number SWT 78405

Alternate reference only  146-000 not Lucas 

Factory numbers  BHA4278

Important this switch should not be used for blower motors. See Lucas heavy duty switch for blower motor.