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Where do the wires on the top of the Onan connect to??? [message #192500]

Fri, 07 December 2012 13:05

Lawrence Schmitt

Messages: 4
Registered: August 2010
Location: Memphis Tn

Karma: 0

Junior Member

The squirrels have eaten the wires off the top of my Onan. Apparently it has been the local party spot as the insulation was shredded also. To make a long story short, I replaced the coil and plug wires as well as the fuel pump wires and can now start it. I have no AC. I think that the problem is with the wires going to what looks like a rectifier on the top of the onan. It has three wires on it. Can anybody tell me where these wires should go - what terminals are connected to what wires - so that I can check to see if they are connected correctly. I fixed the wires but could not tell where they had been connected.

Thanks in advance.

Larry Schmitt

Memphis, TN
76 Glenview

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Re: Where do the wires on the top of the Onan connect to??? [message #192501 is a reply to message #192500]

Fri, 07 December 2012 13:13

WD0AFQ

Messages: 7111
Registered: November 2004
Location: Dexter, Mo.

Karma: 207

Senior Member

Hey Larry, good to have a local guy on here. We run to Memphis regularly to see our 2 yr old granddaughter in St. Jude's.
Now, I am no mechanic but do have the book on the Onan. You may borrow it if you don't get the answer you need here. I also have all the cd's that have never been looked at by me. Our Onan does not allow squirrels to party near it and is always ready to fire when we need it. I did just replace the motor mounts and muffler. Now, I am almost an expert on the Onan, I guess. Very Happy

Dan

3 In Stainless Exhaust Headers One Ton All Discs/Reaction Arm 355 FD/Quad Bag/Alum Radiator Manny Tran/New eng. Holley EFI/10 Tire Air Monitoring System Solarized Coach/Upgraded Windows Satelite TV/On Demand Hot Water/3Way Refer

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Re: Where do the wires on the top of the Onan connect to??? [message #192502 is a reply to message #192500]

Fri, 07 December 2012 13:17

Dennis S

Messages: 3046
Registered: November 2005

Karma: 2

Senior Member

Lawrence Schmitt wrote on Fri, 07 December 2012 13:05

Hi Larry,

A photo of my 4kw -- the wires go to a voltage regulator -- charges the battery on early coaches. Not needed on later coaches that do not have a separate Onan battery.
http://www.gmcmhphotos.com/photos/pertronix-install-4kw-73-gmc/p39741-onan-control-board-007.html

Here is the info on gene's site...
http://gmcmotorhome.info/generator.html#ALTERNATOR

Come see mine if you like!

Dennis

Dennis S
73 Painted Desert 230
Memphis TN Metro

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