1996 Chevy Tahoe Engine not starting

1996 CHEVROLET TAHOE
153,111 MILES • V8 • 4WD • AUTOMATIC
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MARKUSINACJ7
  • MEMBER
  • 1 POST
I have a 1996 5.7L Tahoe. It is not starting. I turn the key and it is cranking but never kicks over and gets running. If I leave the battery connected overnight it drains. It has been doing that even when it was starting(draining the battery I mean). I had an aftermarket alarm but I took it to my mechanic and he took that off, so I thought we fixed the problem. Something is draining some were,Where should I start testing with the multimeter for this problem?
Mar 27, 2009 at 10:34 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Do below and comeback with some results

Disconnect a sparkplug wire or 2 and ground it to the engine -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs,distributor pick-up coil, ignition control module, cam and crank sensors- Note: If it doesn't apply disregard it
Mar 27, 2009 at 10:58 AM
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