Question quick connect at rear of motorhome

[Jerry McPheeters]

Can anyone tell me what this Quick connection is for located at the rear of my 2004 WF329B Minnie, it is small, covered with a rubber cap and has a ground wire with it. Thanks for the help Jerry

 

[Holdmybeer]

From Gemini: Likely 12v dc for either charging batteries from external charger or to run a dc accessory.

 

[rjshiflet49]

We had a similar one that was for connecting an external propane grill. That looks much more like a propane connector than anything electrical to me. Our current fifth wheel has an outside kitchen with a propane grill and a connector just like this that we have to connect to use the grill.

The spring-loaded coupler and tethered dust cap are characteristic of the low-pressure propane connections many RVs have for connecting an outdoor grill, fire pit, or camp stove. It's usually supplied from the RV's propane system downstream of the regulator, so it's intended for low-pressure appliances.

 

[Kevin D Pem]

Is a compressor mounted in a bay somewhere? If so that may be for an air supply for towed braking system.