got the same problem with my 84 928, starts when it it wants to. loose all power to my headlights and fuel pump

Asked by Jan 20, 2013 at 09:46 PM about the 1984 Porsche 928 S Hatchback

Question type: Maintenance & Repair

car has no pwer to fuel pump or head lights, some times it starts, runs for a while fine, than wont dtart at all

2 Answers

8,585

There is ONE wire under the dash, somewhere, that if it is loose will cause the car to loose power to everything. Ma had this problem with her 1990 Volvo. The dealer reconnected and secured it and no problem. I am not sure what colour it is, but it is there.

265

The likely suspect is a Relay, fuse box is in the passenger compartment footwell. Hopefully you have the diagram that tells which relay is which; mine's an '86 and think they're different. As for the starting problem, mine did that a while ago and the cluprit was one of the wires to the fuel pump. The rubber came of one and would ground out sometimes.

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