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  #11  
Old 11-13-2013, 09:43 AM
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When did gauges stop functioning? was there any event where gauges stopped working?
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  #12  
Old 11-13-2013, 09:54 AM
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Where can I get that trouble shooting guide?
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  #13  
Old 11-14-2013, 12:05 PM
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Quote:
Originally Posted by JimN View Post
What is the resistance from the MDC ground to the battery negative post. Not the cable clamp, the post.
I won't have the ability to check this for about a week. What numbers should I be looking for?
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  #14  
Old 11-14-2013, 12:08 PM
Topp dawg Topp dawg is offline
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Quote:
Originally Posted by CantRepeat View Post
Every single gauge in your boat went bad at the same time?
I had someone swap my blower and a few breakers out for me and he crossed a 12 volt wire to a 7 volt wire that runs to my gauges sending 12 volts to each gauge, killing all my gauges.
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  #15  
Old 11-14-2013, 12:16 PM
Topp dawg Topp dawg is offline
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Here are the trouble shooting guides that Medallion emailed to me. I attached them as .pdf's.
Attached Images
File Type: pdf MMDCsystem.pdf (68.5 KB, 38 views)
File Type: pdf MDCtrouble.PDF (194.6 KB, 38 views)
File Type: pdf masterPackard_24-pinHoriz2004.pdf (27.3 KB, 35 views)
File Type: pdf mastercraft10pin2004.pdf (21.0 KB, 37 views)
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  #16  
Old 11-14-2013, 04:09 PM
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Quote:
Originally Posted by Topp dawg View Post
I had someone swap my blower and a few breakers out for me and he crossed a 12 volt wire to a 7 volt wire that runs to my gauges sending 12 volts to each gauge, killing all my gauges.
that would do it... yikes...
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  #17  
Old 11-14-2013, 08:20 PM
Topp dawg Topp dawg is offline
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Yep I wasn't too happy with the situation.
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  #18  
Old 11-15-2013, 07:22 AM
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Quote:
Originally Posted by Topp dawg View Post
I won't have the ability to check this for about a week. What numbers should I be looking for?
Ground wires should always be as close to zero Ohms as possible and by 'possible', it means that if it's not zero Ohms, it needs to be repaired so it is. This isn't optional, it's necessary for the proper operation of whatever is using the ground. New accessories should NEVER be added to a power or ground wire that's being used for something else, unless they were sized for additional accessories, but only up to the limit of those wires for the purpose of conducting current. As soon as a device draws more current when conducted by a wire, the voltage drops and that's where problems begin.
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  #19  
Old 11-15-2013, 09:52 AM
Topp dawg Topp dawg is offline
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Thanks for the tip I will check this out next week.
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