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  #11  
Old 02-01-2013, 04:06 AM
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well it started working again..
did the bench test with the pump after cutting the diode off, and it spun
so reconnect every thing and it works now.

Any ideas guys?
Jay, from your description it seems there is no way the diode (shorted before or after) could cause the d2 pump to not power up

the fact that I dont know what is going on has got me a little nervous to go back out on the road in case I get stuck,
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  #12  
Old 02-04-2013, 06:28 PM
AzDave AzDave is offline
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When an electric motor is on the way out it can be poor contact with the brushes.

Tap on the motor...starter etc a few times and it works....for a while...buy a new pump and keep it in stock at least.

If it dies again...tap on it..(NOT HAMMER ON IT). It it starts again...you have found your problem.

Dave
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  #13  
Old 02-08-2013, 09:31 PM
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Thanks Dave,
You confirmed my suspicions, I did exactly that, and it kicked right on.

any suggestions on a replacement ? Are the stock superduty pumps more robust than some of the aftermarket options?
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