Cars is well maintained, 100k miles. Garage kept, no water damage, operated in relatively dry LA environment.

Parked car and next morning wouldn't start. Tracked it down to blown 25A fuel pump fuse #6, located under rear seat by battery. Replaced fuse and it blows when the car is cranked. Wiggled the fuel pump wires, tapped the pump gently and replaced fuse again but it blows immediately with ignition on. Is this a known problem with this car?

The only drawing i came up with shows simply that the fuse powers the #30 leg of the fuel pump relay but no details on more wiring info. Will try to bridge the relay (pin 30 to 87) and see if it blows another fuse and will report back.

Thanks.

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1972 450SL
1982 300D Turbo