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Electrical
Troubleshooting Lucas Points
Created: May 14, 2008
Troubleshooting Lucas Points The following document discusses the operation of the basic “points type” ignition system. Included are steps to troubleshoot the ignition system. This document presents a negative ground system only. Please read the Theory of Operation section before attempting to troubleshoot your ignition system.
Smiths Voltage Stabilizers - REVISED
Created: May 14, 2008
The following document discusses the operation of the basic Smiths voltage stabilizer as used to operate electrical gauges on British vehicles. Methods of replacement and testing are also discussed.
123 Distributors for the Mini Cooper
Created: January 31, 2006
The last distributor you will ever need is now available for your Mini or Mini Cooper S. The '123 Distributor' from the Netherlands is a revolutionary design that allows you to have the exact ignition curve that you need for your application. And most importantly this is true if you have an 850 or a full blown 1275cc engine.
HOW TO CONVERT FROM GENERATOR TO ALTERNATOR
Created: September 16, 2005
Minis built up to 1969 (i.e. MKI  &  MKII) were positive ground while MKIII and onwards were built negative ground. The polarity of the alternator can not be changed, so if the alternator you have does not conform to your car, you must change your car. 
DISTRIBUTORS - working basics.
Created: September 15, 2000
To maximize power and economy potential from any engine, burning the compressed fuel/air mixture at precisely the right point throughout the engines entire rpm range is essential. This ‘point’ is generally somewhere before the piston reaches TDC on its power stroke described in degrees - i.e. 10 degrees BTDC.
DISTRIBUTOR - Electronic ignition
Created: September 15, 2000
Since the A-Series has such an efficient combustion chamber design, the standard points set-up is perfectly capable of providing sufficient sparks for effective combustion when new. And this is the problem. They require regular servicing to maintain maximum performance. This can be a chore, so is generally neglected.
Changing from Dynamo to Alternator
Created: September 01, 2000
Completing this change successfully, easily and neatly is pretty straight forward on a Mini. The alternator contains the regulator and cut out functions within it’s casing, so makes the regulator box used with a dynamo redundant. However, it is useful to retain the box itself and it’s connectors.
Distributor Adapter
Created: January 30, 2000
This kit allows the pre "A-plus" distributor to be used with an "A-plus"block. Rotate the engine until the No. 1 cylinder is at Top Dead Center (TDC no.1) with both valves closed. Remove the existing distributor drive spindle and install the 3A0009 Modified Drive (ref # 2) found in this kit. Refer to a workshop manual for proper clocking.
Alternator Conversion Instructions
Created: January 30, 2000
The polarity of the alternator can not be changed, so if the alternator you have does not conform to your car, you must change your car. If you bought your alternator from Mini Mania, it IS NEGATIVE GROUND.
Electrical polarity
Created: January 29, 2000
When fitting a new or rebuilt generator to your Mini, certain instructions will usually be found with it. These instructions advise the course of action to polarize the unit and are the same instructions for changing the cars electrical system from positive to negative earth or vice-versa.