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Originally Posted by tpastorini
Ok, so i am now having identical issue with no resolution. Top and bottom lights are flashing after i do a reset. ( That indicates low voltage) Only has power when the engine is running. Batteries are showing 13.8 volts and the generator was running too. The jacks came up about one inch off the ground then stopped. I will try to call number, but I suspect it is a grounding issue. I have a 2014 Seneca 37ts. Can anyone tell me where the pump and resevoir are so i can check the wiring?
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You have 4 pumps and reservoirs, each jack has its own. The two front jack pumps are in the house battery compartment. The two rear jacks the pumps are located on the frame rails behind the rear wheels. Each pump is fed power by a rather large wire and each pump has its own ground. And then each pump has wires coming from the main control box to tell each jack assembly what to do.
The main control box for the jacks is located in the very bottom of the cabinet just inside the coach entry door. Top is the controls, bottom is storage. You have to actually remove the floor in the bottom section and the main control box is under there. A cable comes up from that main box to the touch panel above. Bigfoot may want you to access that box so you can meter the voltages actually coming to the control box.
The power feed for that box comes from battery compartment and I found lots of poor connections feeding my jacks and the generator auto start system (since its wiring is there too). I redid all of it, now no intermittent problems with those systems. The jack control system is fed power from one of the blade fuses attached to the main battery solenoid so check it first. Mine was corroded where it connected to the wiring just a few inches from the main battery cutoff solenoid.