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 > Electrical Gremlins

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C&J

Florida

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Posted: 02/12/18 08:19pm Link  |  Quote  |  Print  |  Notify Moderator

Here's a troubleshooting conundrum, from three seemingly unrelated issues occurring with our 20111 Itasca Sunova on the Ford F-53 chassis.

One day the power to one of the slide rooms went totally dead as we tried to retract it. We turned off the engine and turned the battery disconnect switch off then back on, and that solved the problem.

Another day the electric step retracted on its own with the door open and the engine running. I shut down the engine then restarted and the step worked O.K. again.

Then the other day I noticed that the daytime running lights, which normally are on only when the transmission is in drive, were on while the coach was sitting and the transmission in park. Again, an engine restart restored normalcy.

So I'm beginning to think that they are all connected, as if maybe the slide room, the step, and the daytime running lights all "thought" the transmission was in drive, when in fact it was in park.

Is there some kind of switch or electrical connector that tells the slide room, step and daytime running lights (and maybe other systems as well) when the transmission is in park vs. drive?


2011 Itasca Sunova 33C


ScottG

Bothell Wa.

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Posted: 02/12/18 09:35pm Link  |  Quote  |  Print  |  Notify Moderator

Any chance those things are connected to the parking brake?


Scott, Grace and Wesly
2003 Dodge 3500 4x4, 6 speed Cummins (lightly bombed),
2018 Silver Fox 32A - many mods to come!
H0NDA eu2000i

C&J

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Posted: 02/13/18 06:24am Link  |  Quote  |  Print  |  Notify Moderator

ScottG wrote:

Any chance those things are connected to the parking brake?


That's a good thought--especially with the daytime running lights. I'll have to experiment a little. Thanks.

ksg5000

Oregon

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Posted: 02/13/18 09:05am Link  |  Quote  |  Print  |  Notify Moderator

I would start with the basics - have the batteries tested and check the grounds. When one of my batteries went bad my step started acting like it was possessed - went in/out at odd times.


Kevin

C&J

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Posted: 02/13/18 10:46am Link  |  Quote  |  Print  |  Notify Moderator

ksg5000 wrote:

I would start with the basics - have the batteries tested and check the grounds. When one of my batteries went bad my step started acting like it was possessed - went in/out at odd times.


Another good idea. We did have an RV repair shop check the slide, and the technician said the battery cables weren't tight on the terminals. Lesson learned--that's always the first thing to check. Thanks.

ScottG

Bothell Wa.

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Posted: 02/13/18 03:44pm Link  |  Quote  |  Print  |  Notify Moderator

C&J wrote:

ScottG wrote:

Any chance those things are connected to the parking brake?


That's a good thought--especially with the daytime running lights. I'll have to experiment a little. Thanks.


Thats why I asked; my DRL's on my truck go out if the PB is on.
I can see them using it since it's so easy to connect to electrically.
Good luck!

Scott

C&J

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Posted: 02/14/18 10:23am Link  |  Quote  |  Print  |  Notify Moderator

Scott you were right-on about the parking brake. Just got a chance to check it and it's as you described. Because we've had a lot of electrical problems with our motorhome, I tend to be a little obsessive about trying to see patterns. Your post helped calm me down! Thanks again.

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