Mechanics

WONT START BUT IF I JUMP MY THE P

1986 Mercedes Benz 420sel

Electrical problem
1986 Mercedes Benz 420sel V8 Two Wheel Drive Automatic 180k miles

it starts only when I jump 12 volts to the rear pumps
but I dont really think its good trying to bypass it
like my race car.
or can I just run a switch and 12v to them on the side?
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Photos by isaac
March 27, 2010.



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