Recent content by eyesi

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    At my wits end.. Looking for any idea.

    did you tried change icm? it sends info to ecm for injector pulse, and also fires the ignition coil, you need check whath are you not getting when motor refuses to start: injection pulse or spark. Injection pulse can be see taking appart air filter cap and air filter . Sometimes it only send...
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    Truck Stalls But Fuel Injectors Keep Spraying?? Video Included

    19Silverado94, all pcm sensors in your truck works with 5 volts, not 12,
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    Help me identify mystery connectors

    turn key on and test both terminals with a multimeter, if you get 5 volts ,ask to the PCM via a scanner, it is from a sensor if you found 5 volt there
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    Help me identify mystery connectors

    fuel pump prime connector, apply 12 v there to turn on fuel pump for testing purposes
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    Stupid blinker problems

    you have a short in brown wire, i would start checking in trailer towing adapter area
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    This truck is on my last nerve

    plus to all help suggested here, i would add to check PCV system, not only the valve but expect for a strong vacuum at base of tb pcv vacuum port
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    Cranks but won't start, unless you are diagnosing it!

    papajon13 pcm grounds are in one of the two thermostat housing bolts ignition control module inside distributor fails sometimes not delivering spark signal, sometimes not delivering injector pulse signal, sometimes failing intermittently prior to fail out fuel pump must deliver 9 to 13 psi...
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    Multiple codes and blown Eng1 fuse

    you welcome, if you need further help letme know
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    Multiple codes and blown Eng1 fuse

    cool_as_crap, you can determine which component or circuit is in electrical short disconnecting one by one, and retesting each time, if after disconn ecting all of them fuse keeps blowing , then locate splice 108 (S108) in engine harness, approximately 4.5 inch from ignition coil breakout...
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    Truck problems

    the two ground wires that connected to the thermostat housing are pcm grounds, pcm activate most actuators through ground that he eat from those 2 wires
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    how to bypass the security

    for the passlock system works fuses must be ok, also evo/passlock module grounds
  12. E

    OEM ground locations?

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