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Generators In this forum we will try to answer any of your questions about the different model generators that can be found on Blue Bird coach's.

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  #21  
Old 11-01-2011
martyspaulding martyspaulding is offline
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I did see that, Glenn ... and thanks for the assistance ... much appreciated (and it DID confirm the color codes for the genset which are listed NOWHERE in the bluebook or anything I could find online) .. I guess my issue/difference is that I'm dealing with a Xantech instead of a Magnum and the documentation hasn't been a lot of help. And the factory "tech support" just sends me back to the manual ...

I guess it's time to wire my tap-in connections from the genset remote control switch to a screw terminal strip, confirm what I "think I know" about what closing various combintions actually does, and then alligator clip the various Xantech wires where I think they should go and begin the trial and error process.

I'm pretty sure I'm doing something simple but fundamentally incorrect on the Xantech wiring or programming side.

I'll keep everyone posted once I figure this out and put up a step by step.

I can't be the only one with a Xantech. Can I ?
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  #22  
Old 03-22-2017
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I know this is from 6 years ago, but... I'm now installing a Xantex AGS on my 94' Widebody. I'm pretty sure that it is a 3 wire system, and from reading the generator manual it looks like the easiest way to patch in would to wire up a patch cable between the Packard connector from the ECU to the Remote Switch.

Unfortunately, either BB direct wired the remote or I'm looking in the wrong place. I'm looking for the ECU (to follow the wires) in the Generator radiator bay. Not knowing how big the ECU is, I'm guessing that it is inside the box that has the generator start/stop and tray controls mounted on it. Does this sound right?



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Last edited by Kiwi3; 03-22-2017 at 10:55 AM.
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  #23  
Old 03-22-2017
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Your arrow is pointing to the generator control box. You need to resize your pics too
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  #24  
Old 03-22-2017
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Yeah it is the generator control box. But is the ECU inside? I don't see any other black boxes with 12 wires coming out of them.
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  #25  
Old 03-22-2017
mose mose is offline
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I believe your green arrow is pointing toward the transmission ECU.
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  #26  
Old 03-22-2017
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mose is right
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  #27  
Old 03-29-2017
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Default 1994 WB Generator Autostart Xantrex

I thought I would add my information to this to help others with 1994's hook up the XAGS (Xantrex Automatic Generator Start) module.

My bus had the following wire numbers
1. Ignition (Start)
2. Stop
3. Battery 12V Positive
4. LED (Run Indicator)
5. Preheat
6. Battery 12V Negative

With the dual switch making the following connections:
Start = 1+3
Stop/Preheat = 2+6/5+3

More details in the PDF on what wires connect to what from the XAGS.

I haven't wired the AGS into the thermostat yet. I'm not sure if the thermostat has 12V power when unplugged and the generator is off since the AC is on a separate circuit from the inverter. If that is the case I may just as a stand alone thermostat for the AGS. Does anyone have any experience with this?
Attached Files
File Type: pdf Xantrex Automatic Generator Start Installation.pdf (928.9 KB, 73 views)
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Last edited by Kiwi3; 03-30-2017 at 06:57 PM. Reason: Updated attachment
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  #28  
Old 03-29-2017
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I'm really trying to follow your XAGS install.
Did you find the generator “ECU” in the generator radiator bay?
Are you making your XAGS connections in the generator radiator bay or somewhere in the interior of the coach?

Sorry if I missed an answer in one of the above postings.

Thanks
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  #29  
Old 03-29-2017
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I did find the ECU-64. It is on the *** end of the generator housing with the main breaker. While if I had tapped into the connections for the remote switches there it would have been nice, I didn't want to mount the unit there or have to deal with the additional wire to support the generator slide. So... I installed in the upper dash panel where I can connect to the remote switch there. I think the switch is in a different location on the 2003 from my 1994, but if you look at the back of the switch you can test the connections to see which is which. Granted you can probably actually get a schematic for an 03' that has the wiring for the switch. Does a 2003 have the same Powertech generator?
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  #30  
Old 03-30-2017
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The saga continues...
I checked the Duo-Therm thermostats and nope, no 12V signal to them with the generator off and shore power off. So it looks like the coach is going to get another thermostat to control the temperature start of the generator. Has anyone else had any experience with hooking an AGS up to a model 5054 thermostat?
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