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Old 03-13-2015, 03:26 AM   #1
notanlines
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Auxilliary fuel pump not working

I can hit the switch to turn on the pump and gauge and nothing happens. I pulled the box off and checked and the main power lead is hot, but nothing comes out of the switch. Does anyone have any experience changing this box or know where a new switch might be had? I would rather change just the switch of course, but I don't have any part number or know where to buy one.
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Old 03-13-2015, 05:25 AM   #2
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Originally Posted by notanlines View Post
I can hit the switch to turn on the pump and gauge and nothing happens. I pulled the box off and checked and the main power lead is hot, but nothing comes out of the switch. Does anyone have any experience changing this box or know where a new switch might be had? I would rather change just the switch of course, but I don't have any part number or know where to buy one.
I assume you checked the power right at the contacts of the switch? You could try rocking that switch back and forth, but if actually corroded after a while you will also be facing heating in that switch. As you know we also a timer on the pump. I do not have a number for that rocker switch should be a standard rocker switch. Just make sure amp capacity of switch large enough to handle the pump. Since you have the box out I would pop out the rocker switch and take to any local RV/marine/auto parts store. That may be a water proof switch given its location.

FYI there are a few posts out there describing issues with a plastic part in these pumps. But with no power to pump not your current problem
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Old 03-13-2015, 08:13 AM   #3
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I finally pulled the control box apart and found that the wire that is hot leads to the main power supply at the timer, but the actual rocker switch has no power to it. None of the four wires attached to the back are hot. I'm seriously confused.
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2021 40' Jayco Eagle
2001 Road king w/matching Harley sidecar
2021 Yamaha X2 Wolverine 1000
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