Thanks billybob.
I think I will go with 1 amp fuse for now.
My question is can you please tell me which of the 2 wire I would cut to put an in line fuse.
I want to put it just before where the Auxiliary water pump plugs in.
I am confused on which wire will I cut.
The pump operated on 2 wires, one must be the ground and I don't think you put a fuse on ground wire.
Am I right?
If I am right than can you tell me how to find which one is ground wire and which is not.
Thanks.
MVK

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1985 300D Turbo 179,000miles