Blazer tank gas gauge hook up

[1969stepside]

what do i need to do to make my gase gauge work on my truck. I have relocated the gas tank to the rear if the truck but i am not sure how to wire up the gas gauge. Are there any threads that could possibly lead me in the right direction?

[pjmoreland]

In stock form, there's a tan wire that runs from the fuse panel to the fuel tank sender. If you've still got the original tan wire, then you will need to extend it and connect it to the sender in your new tank. Hopefully the new sender is the correct style with resistance that varies from 0 to 90 Ohms depending on how full the tank is.

[un4gvn!]

Don't forget to ground it also.

[1969stepside]

ground the sending unit to the frame right

[RustyPile]

Originally Posted by 1969stepside

ground the sending unit to the frame right

Exactly!!

[1969stepside]

wonder what ohms mu sending unit is?

[michael bustamante]

if you use the blazer sender unit, the ohms will be correct but i believe its 90 Ohms

[1969stepside]

i got one from brother a few years ago and it is a black plastic tank

[old51sedan]

Originally Posted by 1969stepside

what do i need to do to make my gase gauge work on my truck. I have relocated the gas tank to the rear if the truck but i am not sure how to wire up the gas gauge. Are there any threads that could possibly lead me in the right direction?

I bought a tank a few years ago and installed it in my 69. Last year my gas gauge was on empty all the time. I had left a bolt loose on both boards on my new floor so was able to pull them to check my work.I had grounded the tank correctly, the wire was correct also, upon pulling the float out it was brass and soldered and leaked, it was full. I installed a plastic one from a jeep I believe. After that my gauge started working, but was off by a quarter of a tank. After some checking I found out it was the gauge. Ordered a new one from NPD, it was no better than the old one. I ended up returning it to them, they were good about it. I found a used one I had tucked away and it checked out good with a volt meter, installed it and everything was good to go. My advice is check the float before installing. I'll enclose a picture of my gas fill, just wondering how you are installing yours

[1969stepside]

i did the side marker light filler neck install on my stepside