Search results

  1. S

    dual tank woes

    thanks, I read there are no in tank pumps in the dual tanks lml trucks, that would explain why each sender only has 2 wires at each plug. so the only pump is the inline pump in the rear left frame rail? I have no power at the inline pump or senders. can you run a jumper to the inline pump and...
  2. S

    dual tank woes

    Thanks, It looks like I have other problems now, It won't start at all, even after priming, it just cranks, and with the key in run, I have no power going to the pumps. The 2 fuses in the box under the hood are ok. I have 2 in tank pumps, (front & rear) and one inline pump, none have power. Any...
  3. S

    dual tank woes

    Hi guys. I'm new here and just bought a 12 gmc 3500hd cab and chassis. one ton dump, Duramax, I immediately started having issues with the dual tank system. My problem is the rear tank is overflowing the front tank. the fuel gauge only reads from about 1/4 down. Would a bad fuel level sensor...