Looking for any suggestions y'all might have for a cost-effective aftermarket low pressure fuel gauge to monitor the output of the lift pump in a '95 K1500 Suburban with 230k on a 6.5 recently. Previous owner had replaced pretty much the entire fuel system from tank to IP (not sure about injectors themselves) but it wouldn't run. My son looked at it for me (was closer to him than me) and diagnosed two problems: (1) no power to the new lift pump and (2) a nick in the PMD relocation cable. I replaced the PMD cable and drove it home with a jury-rig hotwire powering the lift pump (used a 16ga extention cord straight to the battery). Still have to troubleshoot the open circuit (suspecting bad ground) but want gauge for piece of mind anyway.