the fuel pump should be running around 40 ohms
The coil on the relay should read about 70 ohms
Usually 13 to 16
In the up position, it should be 20 ohms. In the down position, resistance should be 220 ohms.
87 to 90 YJ fuel guage sender is: 0 ohms = empty; 44 ohms = 1/2; 88 ohms = full
0 Ohms empty, 90 Ohms full.
They should read 5.5 ohm's
1000 ohms.
20 ohms when empty, 220 ohms when full.
That is 366,300 ohms.
3500 Ohms
6000-8000 ohms
2o ohms to 200 ohms is what i'm getting on my 87 model