Slacker_Sam. Posted December 13, 2015 Share Posted December 13, 2015 Hi guys, So I'm trying to fix some electrical gremlins in my 323 1400 GLC Hatch. Alternator wasnt Charging so I've fitted a replacement one. However the Wiring is slightly different. The old alt had the basically 3 wires. The Main power feed, and a 2 pin plug with one pin marked L (for live or field) I assume. And the other not marked at all (earth?). The replacement unit (taxed from a B1600 of the same vintage) has a 4 wire plug with F N L E and the main feed marked B. I have connected the main power the L & the E. TOTAL DISASTER. The symptom: With the key off the Voltage across the battery and at the main alternator feed is 12.5V - Normal. But as soon as the Key is turned on all the power goes away. Even if you put the multimeter across the battery terminals you get 0v. Then you turn the key off and all the power comes back. What the heck is going on??? Quote Link to comment Share on other sites More sharing options...
Rookie Posted December 13, 2015 Share Posted December 13, 2015 L is for light as in warning light on the dash, F is for field, n for neutral, and e for excite, well that is my guess. So you have it hooked up completely the wrong way. 1 Quote Link to comment Share on other sites More sharing options...
sentra Posted December 13, 2015 Share Posted December 13, 2015 as alluded to in daves post, you need the external regulator from the b1600 your old one just had lamp, sense and battery terminals as it had a internal regulater likely/imo etc 1 Quote Link to comment Share on other sites More sharing options...
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