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John, I'm confused here, pls advise
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Posted by Siegfried (more from Siegfried) on Tue, 1 Sep 2009 06:09:18 Share Post by Email
In Reply to: Both of the pumps work great when I power them from..., john daikh, Tue, 1 Sep 2009 04:37:16
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Please advise on whether you did read 10.3 volt of DC voltage at pumps' terminals? I'm talking about the terminals on the pumps, not the wire harness connector. Once again: the connector should be applied to the pump's pins when voltage test is being carried out - so you should use smth like needles or very thin probes or clamps to carry out this test.

If this test was carried out in a proper way and both pumps were not toggled on with 10.3V on their brushes then I would suppose that it's about brush assembly, collector terminals or rotor bearings having too much wear.

Zig

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