Recent content by cstfs

  1. C

    Power steering pump = dead engine

    Yes. Tested harness at a couple coils. Pink wire 12v Signal wire unknown Brown wire PCM ground good Black chassis wire good. Tested grounds by connecting multimeter to battery + and measuring voltage. I did watch spark advance while cranking and there was no data. So which may lean back cam...
  2. C

    Power steering pump = dead engine

    Physicaly but didn't see anything obvious. Only wires I touched, when engine instantly stop running, ran up behind power steering pump. Seems be couple ground wires, test good, 3 wires for Cam sensor. And few more from under engine block going transmission. Couple look familiar like vss...
  3. C

    Power steering pump = dead engine

    j91z28d1 Good idea. Cam sensor disconnected, no change. Watching live data, crank no start. RPM was present, 90rpm to be exact. Was seeing injector pulse width. Plus the aroma of unburnt fuel would suggest shes getting fuel. So theres fuel, cam signal, Coils are getting 12v key on, as...
  4. C

    Power steering pump = dead engine

    Doubeleive Interesting, never heard of charm li. Appreciate the info. j91z28d1 I do have torque pro, can watch live data, will see if there is rpm. Could watch injector output or lack there of as well. Good idea. Ive read mixed info on whether it needs cam input to run or start. I may be...
  5. C

    Power steering pump = dead engine

    Thanks for the welcome. So far Ive tested coil wiring, its in fact getting ground continuity on black and brown wire. Pink is battery voltage key on. Was unable test signal wire to coil from pcm, multimeter doesn't do Hz but it's fair to say it's not sending a signal, as there is no spark. Do...
  6. C

    Power steering pump = dead engine

    In a strange situation. 07 yukon 5.3 Power steering pump needed replaced, easy enough. I noticed the wire harness look was cracked and missing in some spots, wiring exposed but nothing unusual, get to that in second Lift tires off ground, start vehicle, get air out of the hydraulic...
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