Bulb holders for led bulbs. Such as 1156, 1142, Festoon and Bay15d type fittings.
1x 1142 base.
For bulbs with parallel pins and dual contacts.
the 2 wires are positive and negativ..
1x 1156 base.
For bulbs with parallel pins and a single contact
The base is negative and the ..
1x 1157 base Bay15d
All the 1157 series bulbs will fit in the base.
Dual contact offset pins.