Second hand Bulb Holder, instrument illumination Spring Clip Type, TR2-4A single connection. When used on TR2-3 instrument illumination, these are strung together in strings of 2 (for the outside illumination of the 4 small instruments) and in strings of 4 for illuminating the two large instruments. As our second hand parts come off working cars (usually original parts) you can as for a string of 2 or 4 if you wish.

This part is listed on the following page of the website, where further information and background reading may be found.