Hurtle Posted April 29, 2007 Share Posted April 29, 2007 Hi, I have started doing the 1440 to 1800 upgrade, Swaping bits off the 1400 to 1800 k. Do I need to swap the alternator? The 1400 has a narrower belt and a black plactic plug connector in into the back of it, which contains 2 large brown/red wires and a thin wire. The 1800 Alternator has a wider belt, and a brass nut connection. The old loom (Elise) had 1 thick wire and 1 thin. Do I? 1.swap the whole alternator? what do I do about the different pullies? 2. join the 2 brown red wires to the 1 connection on the 1800 alternator? 3. something else? Cheers Jas. Link to comment Share on other sites More sharing options...
Rob Walker Posted April 30, 2007 Share Posted April 30, 2007 swap the crank pulley Link to comment Share on other sites More sharing options...
Hurtle Posted April 30, 2007 Author Share Posted April 30, 2007 Rob, Do you mean swap the crank pulley and Alternator and use the narrower Belt and the standard wiring? Ta Jas Link to comment Share on other sites More sharing options...
Mick Day Posted April 30, 2007 Share Posted April 30, 2007 When my car was converted from a 1.4 to 1.6 in 2000 I initially kept the old alternator, but it fouled the Apollo piping so swapped it for the later smaller alternator. I would think the 2 large brown/red wires are joined together & should go to the the battery live; the other (smaller) wire (Brown/Yellow) goes to the alternator warning light. Link to comment Share on other sites More sharing options...
Hurtle Posted April 30, 2007 Author Share Posted April 30, 2007 Thnaks, Joining the wire does seem to be the best/easy option. Does anyone know where the 2 Brown/red wires go? Is one to the ignition switch and one to the Starter? Link to comment Share on other sites More sharing options...
Mick Day Posted April 30, 2007 Share Posted April 30, 2007 The 2 joined brown/red wires should go to the battery live terminal & generally do so by taking a tortuous long route around the engine. I removed all this & connected it directly to the big red wire on the starter (which is connected to the battery live anyway). Link to comment Share on other sites More sharing options...
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