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.
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