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Onan Gen

Rambler
Explorer II
Explorer II
Have a Onan marquess gold gen
At gen just above the breaker switch there is a white switch (no toggle just slide)
Was wondering if anyone knows what this slide left to right switch is?
Couldn't find in Manuel.
Also no start from inside switch but starts from outside fine.
Any suggestions?
2001 Pace Arrow Vision

Thanks
Rambler
"Going Somewhere"
2022 Holiday Rambler Invicta 33HB
2021 Jeep Wrangler Unlimited
RVI3 Brake System
& Martin Guitar
19 REPLIES 19

Rambler
Explorer II
Explorer II
Just an update on my generator

Took it to Cummins / Onan Coach Care in Harrisburg, PA.
They found that the wiring on the generator side had a pin hole in the wire casing and that was where some corrosion formed. They fixed it an now it starts from the remote switch like normal.

Thanks for all the input and advise everyone provided.

Rambler
Delaware
Rambler
"Going Somewhere"
2022 Holiday Rambler Invicta 33HB
2021 Jeep Wrangler Unlimited
RVI3 Brake System
& Martin Guitar

Kpackpackkelley
Explorer II
Explorer II
If it worked one time by wiggling wires got to be a connection back up a ways and look at a little bigger picture you may see something when your real close you can only see a little part of what your working on . Have you tested for continuity from one end of wiring harness to the other one at a time you may have to have a long piece of wire tied on one end pull it to the other end then hook your mutimeter up and test for continuity if you can't find it you'll have to take it in

Rambler
Explorer II
Explorer II
Well I have checked the connections from body wiring to generator.
Have spliced the start and ground wire in the plug. Also have checked the connection at the Generator and can't seem to get it to start from remote switch? I did start one time while moving the wires. Then I spliced and it hasn't started again. Have a good splice and have tried moving the wires while DW tried starting like before?
Running out of ideas?
If anyone has another suggestion please forward as I am about to setup an appointment at the RV service center here in Lancaster, Pa.

Thanks in advance
Rambler
Rambler
"Going Somewhere"
2022 Holiday Rambler Invicta 33HB
2021 Jeep Wrangler Unlimited
RVI3 Brake System
& Martin Guitar

Rambler
Explorer II
Explorer II
"Well I finally got to warm weather, got under my coach today and found connectors that jferre9570 talked about. I check them and move around some and the remote switch worked.
Then it didn't but I now know that this is the problem.
Question can I use automotive electrical connectors (blue or red) to replace / splice the present ones now. Just cut the wire and reconnect?
I think that this will correct my problem."

Well I spliced the ground wire and the start wire from the connector at generator.
Now I am stumped it still doesn't want to start?? It did one time before splicing by moving group of 4 wires around while wife it start switch?
I guess I may have to take it in to someone to look at?
Just running out of solutions, only two wires left to connect run & stop but don't think they will change anything?

Thanks for all your help
Rambler
Rambler
"Going Somewhere"
2022 Holiday Rambler Invicta 33HB
2021 Jeep Wrangler Unlimited
RVI3 Brake System
& Martin Guitar

Rambler
Explorer II
Explorer II
One other question:
I have a remote start pigtail connection to my generator from fleetwood wiring harness.
It has only 4 wires in connector?
(run, stop, ground, start wires)
The onan wiring connector 300-4986 has 5 wires?
If I replace with the 5 wire connector from onan I guess it is the hour meter that the fifth wire runs?

Any comments?

Thanks
Rambler
Rambler
"Going Somewhere"
2022 Holiday Rambler Invicta 33HB
2021 Jeep Wrangler Unlimited
RVI3 Brake System
& Martin Guitar

Rambler
Explorer II
Explorer II
pkunk,

Thanks for the input.
I will install new connector and add shrink wrap


Rambler
On the Road
Rambler
"Going Somewhere"
2022 Holiday Rambler Invicta 33HB
2021 Jeep Wrangler Unlimited
RVI3 Brake System
& Martin Guitar

pkunk
Explorer
Explorer
Rambler wrote:
Well I finally got to warm weather, got under my coach today and found connectors that jferre9570 talked about. I check them and move around some and the remote switch worked.
Then it didn't but I now know that this is the problem.
Question can I use automotive electrical connectors (blue or red) to replace / splice the present ones now. Just cut the wire and reconnect?
I think that this will correct my problem.

Thanks for all the positive feed back on this issue.

Rambler
on the Road

I'll chime in-yes use any crimp connectors that are the correct size, but, I would first check the connections and then seal them with heat shrink.
1999 Coachman Mirada 34 ft.V10-F53 chassis
12ft.LR slide-2 gp31 AGM 12V @220AH

Rambler
Explorer II
Explorer II
Well I finally got to warm weather, got under my coach today and found connectors that jferre9570 talked about. I check them and move around some and the remote switch worked.
Then it didn't but I now know that this is the problem.
Question can I use automotive electrical connectors (blue or red) to replace / splice the present ones now. Just cut the wire and reconnect?
I think that this will correct my problem.

Thanks for all the positive feed back on this issue.

Rambler
on the Road
Rambler
"Going Somewhere"
2022 Holiday Rambler Invicta 33HB
2021 Jeep Wrangler Unlimited
RVI3 Brake System
& Martin Guitar

Fleetwood99
Explorer
Explorer
Hi John,

Here is about the only drawing I have from a Remote Panel-Kit, but does show pin numbers.





I think jferre9570 may have answered some of your questions with his post.

Good luck on the quest,
Dave

99 Fleetwood Vision 36Zulu V10 Gas F53 Chassis
Hyd Leveling man/keypad (Powergear)
Electric Slideouts (Powergear) x2
2005' 4020 Fadal 4Axis CNC Mill w/24Datc
Hendy 16x72" WWII Navy Lathe 1800RPM

Rambler
Explorer II
Explorer II
fleetwood99 & jferre9570,
Thanks for the info, will try soon.
Rainy day here now but will investigate as soon as possible.
If it stays cold will be looking at in Florida soon.

Thanks Again and will post results when I find out what is wrong.
Rambler
"Going Somewhere"
2022 Holiday Rambler Invicta 33HB
2021 Jeep Wrangler Unlimited
RVI3 Brake System
& Martin Guitar

jferre9570
Explorer
Explorer
I have had this remote start problem with two different Onan gensets. Both times the problem was with the remote switch wiring, not the switch. This wiring runs to a "molex" type connector that plugs in to the side of the genset switch housing.
First, look for corrosion of the pins in the connector (squeeze the ears and pull gently to unplug) and clean as required; also while the connector is disconnected, ensure that all the wires are properly crimped to the pins in the connector. Correct any issues if found and then reconnect and try to start remotely.
Second, both of my gensets were supplied with only about 12" of wire on the connector and the OEM supplied the wiring to the dash. These wires were spliced using crimp-type connectors which were hidden inside the plastic wire loom. Find the splices and inspect carefully; this circuit usually works by connecting the start circuit all the way from the gen set to the dash and back again so it MUST be a low resistance connection. One (or more)is very likely corroded. Re-splice if necessary and try to start remotely.
I hope this helps.
John & Diane
1996 Beaver Monterey 3403
2005 Honda CRV toad

Fleetwood99
Explorer
Explorer
Is this the Switch you have?
http://www.ebay.com/itm/320951666545?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649

Pin 2 is Ground
Pin 1 is Stop
Pin 3 is Start

Connecting 2 to 1 should Stop Gen
Connecting 2 to 3 should Start Gen
99 Fleetwood Vision 36Zulu V10 Gas F53 Chassis
Hyd Leveling man/keypad (Powergear)
Electric Slideouts (Powergear) x2
2005' 4020 Fadal 4Axis CNC Mill w/24Datc
Hendy 16x72" WWII Navy Lathe 1800RPM

Fleetwood99
Explorer
Explorer
Switch on dash should just have four plastic spring like tabs 2 on top and 2 on bottom that can be compressed to pop out of dash. Use a thin blade maybe to push them down a little from front of switch. I found a wire Diagram if you can not find one or get one from others here.

Good Luck,
DJ
99 Fleetwood Vision 36Zulu V10 Gas F53 Chassis
Hyd Leveling man/keypad (Powergear)
Electric Slideouts (Powergear) x2
2005' 4020 Fadal 4Axis CNC Mill w/24Datc
Hendy 16x72" WWII Navy Lathe 1800RPM

Rambler
Explorer II
Explorer II
Fleetwood99,

Yes this is my generator.
I have sprayed with contact cleaner and no change.
I think it may be the switch on dash that is bad. Having a difficult time
trying to disconnect wiring from switch. Would like to know how switch comes out of dash.
I have taken many wiring harnesses off of switch prior but this one is a problem.
Also tech from onan said to unplug wiring connector at generator and look back into wiring covering. Could be wire come apart about 6 inches in harness covering.

Still on the investigation of why its not working. It shuts off proper from remote switch, just won't start.

Thanks for any help
Rambler
Rambler
"Going Somewhere"
2022 Holiday Rambler Invicta 33HB
2021 Jeep Wrangler Unlimited
RVI3 Brake System
& Martin Guitar