Our caravan (Fleetwood Mallard 290RLS) headlights went dimmer and dimmer and when the AC was on the gas detector was switched on squeaks due to undervoltage. Finally, one day we turned on the air conditioner and nothing happened. We flipped the switch and nothing happened, we opened the fridge, it was warm inside and the light was off. I bought a WFCO WF9845 12V converter, installed it and voila! Bright white lights throughout trailer; the air conditioning switched on; Fridge works again. Life is good now! :) One secret, if you have the same caravan as us, the transformer is NOT under the fridge as expected, but next door under a shelf in the bathroom - still only about 2ft from the power distribution. Panel but in a different room so it took me a while to find it. Oh yes, that's a great price. I evaluated it at 2 different RV dealerships in our area (from DFW to Waco) and both wanted about $240 for the same unit. Buy it online and you will definitely save money. UPDATE: It's October 2015 and the device is still working great so I can tell you it will last over a year, or at least for us.
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