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Electric Fuel Pump Light

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19 Feb 2021 12:41 #7 by Paul Zahner
Replied by Paul Zahner on topic Electric Fuel Pump Light
Yea, I wish there was an adjustment switch, but alas there is none.
I’m beginning to think Vernon is going to be one of my best buddies soon.
Thanks for the help.

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19 Feb 2021 07:59 #8 by Lawson Laslo
Replied by Lawson Laslo on topic Electric Fuel Pump Light
Also you might check on your pressure switch, there should be a screw of sorts that you can adjust, and by Loosening or tightening it changes the amount of PSI required to open/close the pressure switch

Lawson Laslo
Oklahoma city

1946 Ercoupe
O-200 100hp
N2005H
"War Bug"

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19 Feb 2021 07:46 #9 by Lawson Laslo
Replied by Lawson Laslo on topic Electric Fuel Pump Light
We got ours from Vernon at Skyport
1 (803) 360-2061

Lawson Laslo
Oklahoma city

1946 Ercoupe
O-200 100hp
N2005H
"War Bug"

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18 Feb 2021 20:17 #10 by Paul Zahner
Replied by Paul Zahner on topic Electric Fuel Pump Light
Lawson,
It looks like I too will be rewiring the fuel pump circuit. It turn out that the pressure switch never relaxes so the light circuit is always open (light out) and to top that off there is no circuit breaker on either the light or the pump.
Where did you purchase the pressure switch?

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15 Feb 2021 00:09 #11 by Paul Zahner
Replied by Paul Zahner on topic Electric Fuel Pump Light
Thanks John.
I agree with you on the need for some redundancy on the pump/light system.

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14 Feb 2021 09:52 #12 by John Jones
Replied by John Jones on topic Electric Fuel Pump Light
As Lawson said the light should flicker when you first turn on the pump. I'd check the low pressure switch to make sure it's working. The biggest problem I see with the system as it's wired on my plane is if the CB powering the pump and light pops, the light won't come on when the pump shuts down, leaving just the header tank float as a backup.
The following user(s) said Thank You: Lawson Laslo

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