A request for assistance with Fuel transfer valve, switch, and fuel gauge

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Donald Bartlett

Junior Member
Joined
Nov 24, 2018
Posts
11
Reaction score
17
Location
Fayetteville TN.
First Name
Don
Truck Year
1975
Truck Model
K20
Engine Size
350
Okay all; I have some very good news finally!!!!

First, allow me to offer my most sincere thank you's to all of you that provided tips, suggestions, and simply a good dose of "Ya; that sucks" moral support that kept me going!!!!!

At the end of the day, it turns out I had TWO BRAND new AMD brand fuel senders that did not work.
I don't like doing a project like you are doing and using the faith based approach, where I follow the instructions and put everything together, then test it and it doesn't work. Then I have to take it all apart and try to figure out what went wrong, or what brand new part is defective, or what part of the instructions are incomplete. I use the test leads to "mock up" the system so I can test it BEFORE I finish installing the system.

When I did the gauge installation pictured above I tested every individual item as I moved forward.
I have to go back to your thoughts WP of essentially "Check ALL that **** out first" (Paraphrased a bit by me of course!) NEW or not!!!!

However, what a pain in the ass and frustration to have to do that especially when the box its self says that all units are tested and certified prior to leaving the factory to ensure performance.

So: I now have two gauges with all new wiring that is a complete bypass of anything that was there before, brand new tanks, brand new (Working) sending units, all new rubber fuel lines, and a new DPDT switch on the dash.

Now the last thing that remains is to ensure the transfer valve is actually working in terms of ensuring the physical switching of tanks relating to fuel supply. I know I am getting the electrical switch for fuel level, I just want to ensure the physical portion is also taking place. I tried to ensure that a day or so ago by leaving it to run on the "Empty" tank- but I'll be damned if it did not run for a LONG time without dying.........

The good news on this is that I KNOW for a FACT that the electrical is all GTG. :) a valve swap now is a proverbial walk in the park ;-)

Thanks again to all of you; I truly am grateful.

I hope that somewhere down the line I can offer assistance to one of you on something that you need help with.

Respectfully,

Don Bartlett
Fayetteville, TN.
 

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