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Old 02-08-2012, 10:02 PM   #1
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Location of chassis frame grounds

I have a 2003 Itasca Suncruiser, after looking at the electrical wiring diagrams I still don't see where the ground point's are located exactly. If someone would be so nice to give me a general location of them it would be greatly appreciated.
Thanks Pete
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Old 02-08-2012, 10:51 PM   #2
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Mine is behind the battery tray, just follow the negative cable.
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Old 02-09-2012, 09:16 AM   #3
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Thanks John, I knew about that one, but I thought from reading other threads that there is more than one grounding point.
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Old 02-09-2012, 09:27 AM   #4
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Hi Dunnpe,
The last Winnebago I had was a 1978. Combine this with I do not know your coach. That being said, chassis ground points are where ever the assembler decides to attach the ground wire to the frame. There are many points where a ground wire is attached to the frame. Usually it is near the appliance. Ground wire for the generator will be near the generator. Coach battery ground will be near the coach batteries. Coach 120 VAC and 12 VDC will be ???

This is why, if I have a ground problem, I just run another wire to the chassis.
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Old 02-09-2012, 04:43 PM   #5
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It was a nice day so I went looking. Found one about 12" from the HWH hydraulic pumps etc (it was behind/under the hydraulic hoses. There are two so far I imagine I (we) will find more.
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Old 02-10-2012, 10:57 AM   #6
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On the frame near the converter.

Near the heater.

Under the dash.

More words when I get to computer.
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Old 02-11-2012, 03:42 PM   #7
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OK, I am at my computer. There are grounds all over the place. The Winnebago wiring diagrams treat ground more like a concept than a physical thing, very annoying.

You know about the one behind the batteries on the frame, just follow the battery ground cable.

On mine, the converter is under the stove. If you follow the green wires with your eyes, you can see them attach to the frame. You can't reach them from here but you can see them. To actually get at them, you have to remove the outside panel which is a real pain.

There is a ground at the left rear on the frame.

You have found the one on the front left side by the HWH stuff.

Under the dash is another, just flip up the dash and look just to the front of the steering wheel. You will see a bunch of white wires with a start washer.

There are probably more that I haven't found yet.
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