| [GMCnet] Parasitic draw from somewhere [message #301954] |
Fri, 10 June 2016 09:52  |
glwgmc
Messages: 1014
Registered: June 2004
Karma: 10
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Senior Member |
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Wellllllll, I think I found the culprit and, as Pogo would say, it is me!
A short time ago I posted about a strange parasitic draw that would take the chassis battery down over night. I checked everything I could think of and found nothing amiss. Finally yesterday I think I found the cause.
Our Royale has a large U shaped rear lounge that makes into a larger than king size bed. Two of the back rest cushions fit into the center of the U to make the bed. The other cushions store up front between the seats for the night. We also store the Winegard Pathfinder satellite dish on the floor between the seats while we travel. Normally that satellite dish is set up outside at night but in AK we are too far north to get anything so it just stays in place between the seats all the time.
With that unit in place I noticed that as I tossed the rest of the cushions up there one of them pushed against the seat adjustment controls on the power seat. Another cushion landed on that one pushing the adjustment switch enough to cause the seat to run to a limit so it sat there all night drawing power to the point that it ran down the chassis battery!
It would only happen when the cushions happened to drop in just the wrong way so the issue appeared to be intermittent. I have not fully tested this hypothesis yet, but it sure seems like the culprit. How bizarre is that!
Jerry Work
The Dovetail Joint
Fine furniture designed & hand crafted
in the 1907 former Masonic Temple building
in historic Kerby, OR
http://jerrywork.com
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Jerry & Sharon Work
78 Royale
Kerby, OR
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| Re: [GMCnet] Parasitic draw from somewhere [message #302011 is a reply to message #301954] |
Sat, 11 June 2016 12:55  |
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RF_Burns
Messages: 2277
Registered: June 2008
Location: S. Ontario, Canada
Karma: 3
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Senior Member |
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Could indeed be a relay or 2. Cube relays I use draw about 75mA coil current, enough to eventually kill a starting battery.
If there was some type of clutch, I'm sure you would hear the motor running.
Bruce Hislop
ON Canada
77PB, 455 Dick P. rebuilt, DynamicEFI EBL EFI & ESC.
1 ton front end
http://www.gmcmhphotos.com/photos/showphoto.php?photo=29001
My Staff says I never listen to them, or something like that
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