acidburn2k2

So currently my 1992 Prelude Si does not have a fuel gauge in it due to the fact that my secondary cluster died on me. I am trying to find a new cluster or a fix for this one. Anyway in the mean time I am riding fuel gauge less, and I've been trying to figure out how to test how much fuel I have. According to the service manual I can check for OHM from the sending unit, the higher the OHM the better. Now the question is, what wires to I tap into to check? I know there are 3 wires running from the Fuel sending unit to the cluster: 1 YEL/WHT, 1 YEL/GRN and 1 YEL/RED.

Anyone know where I tap into?

Thanks for the help!