cnicholson Posted April 10, 2011 Share Posted April 10, 2011 I have renewed my knackered wirring loom to an original pi spec spec one, te loom has the old alternator connections which do not fit the Lucas alternator with the white plg and three pins. which wires go where in the plug? and wil i need to connect new spades on to the whires....Thanks Link to comment Share on other sites More sharing options...
Richard B Posted April 10, 2011 Share Posted April 10, 2011 MkI or II PI? :-/What colour coding do you have on the existing wires? Link to comment Share on other sites More sharing options...
cnicholson Posted April 11, 2011 Author Share Posted April 11, 2011 I have the following wires.Thick BrownThin BrownThin Yellow/brown with a spur off onto another yellow brownit is a mk2 pre facelift pi 1971 the workshop manual only shows the alternator with the two conecting blocks the Haynes one is predictably rubbish! Link to comment Share on other sites More sharing options...
Richard B Posted April 11, 2011 Share Posted April 11, 2011 Thick brown - 35 amp tag.Thin brown cut / fold back and isolateThin brown with yellow stripe to 15 amp tagThin brown wire spur cut offYou can get 3 pin plugs from Vehicle Wiring Products (tags should be soldered). Link to comment Share on other sites More sharing options...
cnicholson Posted April 11, 2011 Author Share Posted April 11, 2011 thanks for the answer it was usefull, I have picked up a new plug, as a few of these have failed on my GT6 and spits before.. It mentions earthing the alternator in the diagrams I have seen, although I would have thought the casing is earthed by being attached to the engine? Link to comment Share on other sites More sharing options...
Richard B Posted April 11, 2011 Share Posted April 11, 2011 yes should already be earthed. Link to comment Share on other sites More sharing options...
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