Driving in my '78 260Z 2+2 the other day i was sitting at a set of traffic lights when my engine stopped and i lost all power to gauges, head unit, lights etc. It only dies for a split second and then keeps going. When the engine dies the tacho goes all the way down to the bottom and then springs back to my 900rpm idle. Any ideas ?

 

Ps

It has an L26 with 240Z carbs and extractors. It got points about 2 mnths ago.

 

this happend in my Z32, and it was a faulty alternator

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