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Old 12-19-2009, 02:41 PM   #1
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1987 34' Limited
1987 34.5' Airstream 345
Tyler , Texas
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86 345 electrical problem

On a recent trip I lost 12V power to my water pump. I do not find an in line fuse or any other breaker. I checked the rocker switch and am not getting 12V power to the switch...is there a breaker or fuse that I am missing. All other 12V systems are in good working order.Pete
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Old 12-19-2009, 04:54 PM   #2
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1972 31' Sovereign
Lexington , Minnesota
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Not sure how your 345 is wried, but maybe the water pump is on it's own fuse? Check all the 12 v fuses - pull them out if necessary and check them with an ohm meter. A fuse that visually looks good still may be blown.

Chris
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Old 12-19-2009, 06:04 PM   #3
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1989 34.5' Airstream 345
Cleveland , Tennessee
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Pjude, you mentioned checking the rocker switch. Our MH has 2 switches. 1 in galley on range hood & 1 in head on wall. You might have a bad switch if you only checked 1 of 2 switches. I don't know which switch gets the power 1st. Check all 3 wires on both switches for live power. If none of the wires have power it's a supply problem. If you find power at 1 wire only, flip 1 switch & check all wires again. Flip the other switch & check all wires again. The switches are like a 3-way switch in a house. You can check them with a continuity tester. 1 of the 3 terminals of a switch is a common. It's usually the 1 in the middle. There should be continuity between the common & 1 terminal. After flipping the switch there will be continuity between the common & the 3rd terminal.

Ricky
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