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Old 07-04-2023, 10:55 AM   #1
C42
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2005 Jayco Greyhawk 29GS: Master Battery Disconnect Switch

According to my Owner's Manual: "Located near the entrance door is a master battery disconnect switch. This momentary switch controls a latching type solenoid (located near the house battery), which connects or disconnects the “house” battery dependent upon the number of times it is pushed."

My house battery is being drained by something in the rig. Two days of not running the motor - and it can barely turn over the Onan generator. It is a new battery - less than 30 days old - and obviously something is draining it. I want to be able to turn off the power going to the coach completely.

I found the info about the "master battery disconnect switch"...but, it is not at the rig entrance. (See picture.) All that is there is: a light, a fire extinguisher and the hard-wired CO monitor.

Where else could it be lurking?


Thanks in advance - !
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Old 07-04-2023, 11:30 AM   #2
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The previous owner(s) may have removed the switch and bypassed the relay. That light looks like and "add on". Both my 2001 and 2008 had the switch by the door.
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Old 07-04-2023, 12:33 PM   #3
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This is what mine looks like. And it looked the same in our 2008 Coachmen. I'm hoping it'll look the same in a 2005.

Remember, when you find it, you just "flick" it. Do not Hold it down. Holding it down does something else.
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Old 07-04-2023, 12:36 PM   #4
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An immediate course of action would be to remove the negative cable(s) from the house battery. If you choose to do this, I recommend two things: take a picture of the cables and battery before you remove it and mark the positive cables as such so you can ID them again.

On mine, all of the cables were black. So I used red spray paint to color the positive ones red. Tape would have worked too.

Good luck finding that switch and the power drain.
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