Hi folks:
Just wanted to share this with you all. I rebuilt( or serviced) my auxillary water pump 2 days back. Its working fine for now. I was suggested from this forum that a bad aux water pump can ruin the ACC board. A major expense. So I decided to put an inline fuse on this pump.
On my car this pump is supplied with power by a socket that has 2 wire in it, The brown one is ground wire. The ground wire should be left alone. The other wire on this car is red/black with purple dots on it and thats the supply(hot wire) wire. I cut that wire and connected an inline fuse ink to each end. Got this link and fuse from Radio shack. Its a 1 amp(one ampere) traditional glass type but slow blowing fuse. After the connections were done, I tested the pump by starting the engine and pressing defrost button. Felt the pump by hand and it was running.
Total cost 5/- total time 20 minutes.
Hope this is useful
MVK

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One penny saved is three penny earned.

1985 300D Turbo 179,000miles