I hate to beat a dead horse, but I'm curios. Does anyone have an 01. 5 truck that has had a lift pump go out? What numbers should I read on a healthy pump? How can I make a gauge that I can use periodically to test my pump. I've seen them before, you can hook it up and put it on your windshield and take a test run. Any help is appreciated. I've had it tested before with that set-up I just asked about, and if I remember correctly; Idle 15, wow 6-8. I don't think it ever got below 5, but this was about a year ago. I don't really want to install a permanent gauge as I have enough in the cab already. Thanks,
Kimrey
Kimrey