Porsche Alternator Wiring

The alternator generates electrical current by electrical induction. Replace your alternator with a new one from pelican. Disconnecting the red wire in my case it is a light tan wire with a spiral marker because of being rewired from a 912 to a 911 in 1970 from the external regulator and ensuring it is connected to the blue wire to the tach will provide the proper connection for the valeo internal regulator to the tachometer.

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The bosch alternators in the porsche 986 and 996 frequently have a failure of the voltage regulator.

Porsche alternator wiring. On both sides of the bulb and grounding that exiting blue wire does cause the bulb to light. Our parts catalogs are available free with purchase. Overzealous charging of the battery can also cause diode failure. Alternator 14v 75 amp.

Porsche 911 engine electrical alternator charging system. That is a magnetic field is placed in motion to induce a current in a stationary coil. Also grounding the blue wire at the alternator causes the bulb to light. I even made sure that i got good continuity between the positive battery cable and the thick red.

Stoddard authentic porsche parts is a leader in the vintage and oem restoration auto parts for your porsche 356 911 912 or 914. Porsche bmw mercedes audi volkswagen. Disconnecting the battery when the car is running can cause loads on the diodes that will cause premature failures. It s a cheap part to replace once you remove the alternator.

Porsche 911 1984 1989 charging system trouble is indicated by an illuminated alternator warning light on the instrument panel or by an under or overcharged battery.