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Robert replied to the discussion Marathon Latch Board Communication in the forum Electrical

Sun, 13 Sep 2026 19:55:53 -0400

Reply to Marathon Latch Board Communication

Yes I would love to have the Marathon side.i don’t believe there is that big of difference between a 90 and 91. My address is Robert Konop 12022 414 St CRT E Eatonville WA 98328. Let me know how much it will cost and how to get it to you. I am going go with as much OEM parts I can get. But I probably would like the price you paid more than…

Robert replied to the discussion Marathon Latch Board Communication in the forum Electrical

Fri, 11 Sep 2026 01:14:30 -0400

Reply to Marathon Latch Board Communication

Oh and Jeff the switch housing is blue on my Marathon because that means it comes with a blue cap. The red ones you see are the same switch. So you buy the cap separate .

I put TerraTerm software on my laptop, got a USB TO DP9 cable to connect to the new board, I have hooked up but it hasn’t communicated yet. Not sure if a straight cable or…

Robert replied to the discussion Marathon Latch Board Communication in the forum Electrical

Thu, 10 Sep 2026 22:29:52 -0400

Reply to Marathon Latch Board Communication

Hi Jeff, the latch board is what controls lite switching. Mine is the newer version and it was installed in 2012. I bought mmy 90 Marathon CL last year. It did not have any manuals with it for the Marathon side. So I took in on myself to try and figure them out. My latch board ( Marathon Latch Board Adam 600974 p/n 119282) has a LED light…

Robert posted an update: Hello you all , Woundrring if any of you have had […]

Sat, 29 Aug 2026 11:34:41 -0400

Hello you all , Woundrring if any of you have had anyluck communicating with the newer style latch board. The LED light flashes red then green over and over. I added terra term to my pc. I am hooked up to the DP9 rs232 port on the borad. My buad rate 19200, 8 bit and 2 stop bits are all correct. Com port is set. But still not communicating.…

Robert posted a new activity comment

Mon, 27 Apr 2026 16:44:49 -0400

I do appreciate it Alex, thanks Man

In reply to - Robert posted an update

Yes i am very new to tje motor coach world. A few weeks ago. I wrote in a post for Electric. Went on explaining how my dock lights wete on and i could not get them off. After going […]

Robert posted an update: Yes i am very new to tje motor coach world. A few weeks […]

Sun, 26 Apr 2026 22:35:37 -0400

Yes i am very new to tje motor coach world. A few weeks ago. I wrote in a post for Electric. Went on explaining how my dock lights wete on and i could not get them off. After going round with Prevost and Marathon ( i did get a reply from Alex which was very nice to receive). I have a closet in bathroom that was full off stuff at the time. I…

Robert replied to the discussion 1990 Marathon lighting schematics in the forum Electrical

Wed, 15 Apr 2026 15:21:30 -0400

Reply to 1990 Marathon lighting schematics

Thanks Alex for the response. They are on the Prevost side. I do have the Prevost schematics. On the Marathon side above driver are the two push buttons with two illumin

Robert replied to the discussion 1990 Marathon lighting schematics in the forum Electrical

Mon, 13 Apr 2026 11:36:09 -0400

Reply to 1990 Marathon lighting schematics

Thanks for such a fast response Alex. Yes it is on the Prevost side but the switches are on the Marathon side. There is not a paddle switch on RHS counsel. There are two seperate single push buttons above driver in a Marathon circuit. At first I thought the buttons were stuck so I unplugged the connectors from the switch ( already shut…

Robert started the discussion 1990 Marathon lighting schematics in the forum Electrical

Sun, 12 Apr 2026 17:19:07 -0400

1990 Marathon lighting schematics

My name is Bob I just bought a 1990 Marathon XL40 in Nov of 2025. Which lucky me does not have any info from the Marathon side. Not having the road map I am not getting anywhere fast. I am having a few issues on:

1) my dock lights came on and I can not shut them off. I have shut breaker off. I also unplugged the push button board and still…

Robert posted an update: Hi everyone, new, old Prevost owner i am. 1990 […]

Sun, 12 Apr 2026 16:12:00 -0400

Hi everyone, new, old Prevost owner i am. 1990 Prevost Marathon XL40, bought in Oct of 25 and have not been on a road trip yet. Long story short, fan blade took out Radiator a couple weeks after purchase. My new radiator and Fan will be delv. To me 4/13/26 tomorrow. Excitment is coming back.

I do have a question that i hope someone can point…