Keyless Entry Receiver Diagrams and Instructions - Component Information | Page 19633
The descriptions below apply in general to all wiring diagram, although not all sections are necessarily contained here.
A. Component designation
Every component has a component designation that consists of two parts.
The first part is a type number that describes the type of component in question, for example 3/xx.
The second part of the designation is a serial number, for example x/2.