Question about 1996 Chevrolet Blazer

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1996 chey blazer

Turns over great, new plug wires, cap,rotor,plugs,coil,cam sensor,crank sensor, new ignition control module, check all in fuses, check fuses at fues box wire test light.
it had started before---started to over heat, changed water pump, battery went dead, tried to jump, no help, tried to charge battery-no help.
So, bought new battery, turns over great!!!! It has no spark at the plugs!

Any Answer!!!


Posted by on

  • brugh Aug 11, 2008

    i do appreciate all the input form everyone.

    after extensive resaerch, tracing wires down, fuses,

    i cleaned all plugs going to the pcm, replacing all sensors, i have the blazer running great!

    i switched the new crank sensor for the old, it cranked up..

    i have been up and down this motor, inside, rebuilt it. it now runs great.

    i want to thank cmv9, for the input, although it wasnt much help,

    thanks for your time




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  • 335 Answers

Disconnect the connector for the fue injector on the left side front of the intake plenemn there are two wires on red one blue these are your fue injector wires, check for power on one wire with the key ON One has power with the key ON, and then take the test light connect one end on one of the wires coming out of the harness NOT the plenem and the other end of the testlight to the other wire in the same connector don't let them touch togother! sue a paperclip or cotterpin to let you connect the clip of the testlight to the connector.crank and you should see the light blink( I just want to narrow down the possibilities) If you see the light blink Good. Then make sure the PINK wire wire going going in the module has 12V KEY ON and also check the two wires inside the distributor that come from the pick-up unit make sure they are not broke the distributor pick-up unit failes commonly, its easier and less expensive to just get a used distributor that works and be done with it.

If this information is helpful please leave me a good rating and keep in touch let meknow how things go I'll be here to help all I can, here you will find and entry in the BLOG or FAQ that is just like your problem and how I fixed it.

Posted on Aug 10, 2008


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