 Overview
The Select Assimilator is a direct replacement for the Norton
electronic black plastic unit used on the Mk III. The new unit is
smaller, but maintains the same fixing position and connections as the
original. It is even possible to fit the new part into the original
assimilator casing.
The Select Assimilator includes a number of improvements over the
original:
- Extra electronics provides an automatic current limit to the
warning lamp circuit.
- Quality FR4 'fibreglass' printed circuit board.
- A high specification epoxy potting compound is used as an
environmental seal and makes the assembly vibration resistant.
The unit may also be used to replace the earlier Lucas 3AW warning
light assimilator as used on the Mk I and Mk IIA Nortons, provided the
wiring is re-arranged as detailed in the table below. The unit may also
be used with any RM21 or similar (12V +Earth) alternator system. More
information on original assimilators is available the Norton
Owners Club web-site.
Connections
| Label |
Function
|
 |
| - IGN |
Ignition Switch (negative supply) |
| AL |
Alternator |
| AL |
Alternator |
| WL |
Warning Lamp (other end to - IGN) |
| + E |
Earth (positive supply) |
Fitting & Testing
The lamp will illuminate when the ignition is on and will extinguish
when the engine has started and the alternator output voltage rises
above that of the battery.
How to order an Assimilator
The Assimilator is available from:
"Classic Motorcycle" electrics specialist AO
Services - Tel: +44 (0)1953-884681.
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