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johnplesh · 01-28-2018, 11:27 AM

I don't know squat about RV wiring. My battery won't take a charge. Outlets work when on shore power but no lights, slide out etc. the battery is brand new. The inverter has a red light that's on and a green light on when plugged in and no blinking. It's a Todd 40 model. The fuses are all good in the box. However I can't find the inline fuse for the battery? The wire disappears between the inverter and the battery? Does the wire come out of inverter and to the circuit box then to the battery or does it go to the battery first? The RV is a 1999 fleet wood wilderness.

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plasma800 · 01-28-2018, 12:13 PM

It's totally possible that the unit is actually just gone bad.

Here's a thread from repair folks discussing
https://www.electronicspoint.com/thr...problem.46674/

Mudfrog · 01-28-2018, 12:15 PM

There's a possibility you might find a tripped circuit breaker somewhere near the battery. A common one has a little lever on it that moves downward (if the breaker is mounted with the wording right side up) when tripped. My Mom's rig had the same problem and after an hour or so of studying and shaking my head, i finally discovered hers had these. One was tripped, i believe because the battery connections were dirty. Resetting it took care of the problem.

johnplesh · 01-28-2018, 12:19 PM

Quote:

Originally Posted by Mudfrog

There's a possibility you might find a tripped circuit breaker somewhere near the battery. A common one has a little lever on it that moves downward (if the breaker is mounted with the wording right side up) when tripped. My Mom's rig had the same problem and after an hour or so of studying and shaking my head, i finally discovered hers had these. One was tripped, i believe because the battery connections were dirty. Resetting it took care of the problem.

There is nothing anywhere near the battery except wires and there isn't anything on the circuit breaker box or behind it that had a lever

Gary RVRoamer · 01-28-2018, 01:40 PM

I think you are talking about a CONverter rather than in INverter. The Todd PC40 is converts 120vac (shore power) to 12vdc for the lighting and such, and also acts as a battery charger. I'm not familiar with the indicator lights on the Todd, but a red light doesn't sound promising. It may well be the converter has failed.

You can disconnect the battery and use a voltmeter to test for voltage on the leads that connected to the battery (shore power must be on as well). If it isn't in the vicinity of 13v, the Todd is probably a goner. And apparently it is also preventing the battery from powering your lights and such as well.

johnplesh · 01-28-2018, 02:53 PM

Quote:

Originally Posted by Gary RVRoamer

I think you are talking about a CONverter rather than in INverter. The Todd PC40 is converts 120vac (shore power) to 12vdc for the lighting and such, and also acts as a battery charger. I'm not familiar with the indicator lights on the Todd, but a red light doesn't sound promising. It may well be the converter has failed.

You can disconnect the battery and use a voltmeter to test for voltage on the leads that connected to the battery (shore power must be on as well). If it isn't in the vicinity of 13v, the Todd is probably a goner. And apparently it is also preventing the battery from powering your lights and such as well.

Thanks. I was hoping it was the 40 amp fuse I read about but can't find. Also for 6 months it would trip my outside gfci about once a week? I thought the outlet was going bad on my house

johnplesh · 02-10-2018, 10:15 AM

Life happened and I'm just now getting back to this issue. I just pulled the battery and my charger is reading 100% charge?

So nothing is drawing the battery down and when the battery is hooked with or without shore power the lights and slide aren't working.

When shore power is hooked up only the outlets work.

So maybe the issue is not the converter. What could be between the battery and the lights or slide out?

Gary RVRoamer · 02-10-2018, 10:18 AM

You may have a battery disconnect relay/switch. All motorhomes have them and many trailers.

Your Todd Converter may have a pair of fuses designed to protect against reversed terminals on the battery. If those blow, the battery is in effect disconnected.

johnplesh · 02-10-2018, 10:20 AM

Probably no way to answer this but where might that be on a trailer? There is another lead that comes off of the pos of batter that has a plug but there is no male wire anywhere and I don't believe that it's ever been hooked up.