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AC/DC converter in '77 Argosy Harlan E Fiehler 4-17-03  
I replaced the AC/DC converter in my '77 Argosy and it works OK but when I turn off the AC, I can't get any power from the 12 v battery for the lights etc. Is there something that I missed? HEF
Re: AC/DC converter in '77 Argosy Ken Smith 4-6-04  
Similar 12V power loss in our '77 Argosy we are restoring. Had one of the main power slugs in our fusebox (in the bathroom closet) loose from the fuse box strip. Couldn't get to it to mushroom the rivit down, so I put a small jumper wire from the hot slug to one of the fuses in the box and they pass power on to the rest of the fuses. Also blew the main 12V fuse during this process and found replacements in the lighting section of Menards. Good luck...........Ken
AC POWER LOSS 1989 COACHMAN Danny 4-18-03  
I have a 1989 class-A motor home John Deer chassie We was using the generator and running the roof air cond. all of a sudden the onan gen. reved up and there was a loud popping noise up by the engine compartment now i don't have any electric power from the onan gen. to the coach. Is there a relay or someting aroud the engine compartment thats blown?Onan rus fine.if so what does it look like.or located at.
Re: AC/DC converter in '77 Argosy Court DeLorme 5-8-03  
Harlan, I have a similar problem to yours. I haven't replaced to converter/charger, but I was hooked up to my Suburban with lights on in the trailer on 12V and then everything went black in an instant. Since then I can only run on 120V AC, but I have no 12V even if hooked up to my Suburban. There are no blown fuses in the 12V panel and my volt meter shows only 11.66 volts on the batteries even when plugged into 120V AC which I assume means the batteries are not being charged. Is there a fuse or breaker I don't know about or did my converter/charger just die an instant death when that happened? What does one cost to replace? Thanks for a response from anyone. Court DeLorme, Azle, Tx
Re: AC POWER LOSS 1989 COACHMAN steve 4-30-03  
There probably is a covered box up under your hood or around the batteries. There should be a set of relays and battery isolaters.The ignition relay-house relay and chasis battery relay are there. You can test with a 12 volt test lite fairly easily.When the house switch is thrown you should get 12 volts on boyh sides of the relay. Only on one side when turned off. The generator goes thru a relay by your power cord.That turns on the power to the systems in about 45 seconds once the genny is started and 110 unplugged from the trailer.Good luck. Steve
Re: AC/DC converter in '77 Argosy Harlan Fiehler 6-10-03  
Dear Court,
I did replace my converter for which I paid close to $200 (30 amp). One of the reasons I replaced it was that there was a loud annoying 60 cycle hum but it was also causing other problems. Your situation in a travel trailer may be different but I would really check the fuses. The main fuse in my panel looked good but when I checked it with an ohmmeter, it was out.
The biggest problem sometimes is finding the converter. If can locate it, it should be easy to check the input and the output voltages. I'm sorry that I didn't answer sooner. Harlan
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