I'm trying to replace my old thermostate that had 120v wire connected to it. It has a hot to R terminal, a hot to a C terminal and a 30v to the B terminal. I'm trying to replace it with a honeywell rlv430 thermostate. Please help. I'm living in a condo and I believe it uses a chiller. Above my...

My fuel gauge will not read; the needle is actually negative below the "E" mark all the time. It does not work at all, Not with the tank full or empty. I am forced to rely on the warning light on the dash, which does work at present to know when I am out of fuel. This is a high mileage truck...