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how to test the fuel pump (electrically) 200

uid 5008's pic
posted by  Colin UK on  Mon Sep 2 07:51 CST 2002
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This sound as if the fuse has poor contact with the blades it fits between.
If this was really an over-current situation the fuse should blow long before the end caps melt down.
This type of fuse is prone to these problems. At one time BMW had a mod. which cosisted of a spring clip to increase the clamp pressure of the contacts on their fuel pump fuses.
Personally I would replace the existing fuse with a good quality line fuse that takes the modern spade type fuses.
You could measure the current draw by running the pump through a low resistance
shunt and measuring the volt drop across the shunt, see OHM`s law for details!

Colin.






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