Routing for fuel level sender harness?

[240260280]

10 hours ago, BoldUlysses said:

Only issue now is that the terminal boots are hard as rocks.  Going to try a hair dryer tomorrow and see if I can soften them.  Since they're interchangeable, does it matter which wire goes to which terminal on the sender end plate?

 

Wintergreen will revive rubber.

Resistance is resistance, it has no direction... so from an electronics point of view the connections don't matter... but from a safety point of view, the higher voltage path may be optimized for safety (e.g. more distance from potential shorts/sparks, smaller connector lugs to prevent shorts/sparks, etc.). It is well worth the effort to get it correct.

 

Edit:  Ok I rechecked and +pos sender terminal is insulated so you need to ensure the voltage goes to the sender terminal.

Disconnect battery if working on this device near gas.

 

 

 

 

Edited February 2, 2020 by 240260280

[jwtaylor]

Just for future reference these two pictures show the routing of the fuel sender wiring on my 12/70 240Z.  The ground connects to the frame rail, this needs to be connected before the tank goes in as you can not get to it with the tank in place.

 

Edited February 2, 2020 by jwtaylor
Added note about the ground.

[crshowers]

I am putting my gas tank back in and can't recall if there is any clamp that holds the filler line to the tank? would fit over the fill line in above picture. 

[BoldUlysses]

Thanks again guys.  Used my wife's hair dryer to soften the boots and got them on no problem:

 

30 minutes ago, crshowers said:

I am putting my gas tank back in and can't recall if there is any clamp that holds the filler line to the tank? would fit over the fill line in above picture. 

 

Yes, there is a large hose clamp that secures the filler neck to the tank pipe.

One of the most annoying parts of reinstalling the tank is getting both straps AND the filler neck to line up...