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  1. E

    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...
  2. E

    Truck Stalls But Fuel Injectors Keep Spraying?? Video Included

    19Silverado94, all pcm sensors in your truck works with 5 volts, not 12,
  3. E

    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
  4. E

    Help me identify mystery connectors

    fuel pump prime connector, apply 12 v there to turn on fuel pump for testing purposes
  5. E

    Stupid blinker problems

    you have a short in brown wire, i would start checking in trailer towing adapter area
  6. E

    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
  7. E

    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...
  8. E

    Multiple codes and blown Eng1 fuse

    you welcome, if you need further help letme know
  9. E

    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...
  10. E

    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
  11. E

    how to bypass the security

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

    Multiple codes and blown Eng1 fuse

  13. E

    Multiple codes and blown Eng1 fuse

  14. E

    95-98 cluster (speedo) to work without electronics (ECU) etc

  15. E

    OEM ground locations?

  16. E

    1995 check engine light question

    Note that 16 pin like obd II connector non scan jumper is only for 1995 chevy models, that are obd I , 1995 models are obd I compliant
  17. E

    how to bypass the security

  18. E

    Won't start and only 1 click at the starter ?

    turn manually your crankshaft, if it does not turn your engine could be hydrolocked, if it is, take out all spark plugs, if keeps not turning you have a major mechanical failure
  19. E

    1995 check engine light question

  20. E

    stock radio controller & Aftermarket head unit Help

    You welcome KennyP. Mitchell OnDemand, yes, they are amazing. Cant find on the net an example how amazing they are. Just now i tried upload a brief video but avi extension is not supported in browser. I hear people saying Alldata is the best, but i am sure they dont know what they say. Later i...
  21. E

    Ignition A fuse keeps popping on crank

    you are right kenbronnson73, he can burn fuse in ammeter if he turn key to start, also depends on ammeter type he use, which most likely would be 10 amp max, Also, can try pulling involucrated fuses one at a time, ..
  22. E

    1998 K1500 Misfire help

    Cheyenne, a misfire is not spark exclusive deal, a misfire can be caused by spark, fuel, air leak, even mechanical issues. wet spark plug could be caused by No. 2 injector stuck open, or fuel pressure regulator inside plenum leaking, very common in CSFI
  23. E

    stock radio controller & Aftermarket head unit Help

    sorry, i see you posted it at begining of tread, here is chevy radio wiring, specially old ones, have thick wires you can use brown pin 6 wire comes from dimmer light rheostat
  24. E

    98 gmc brake lights are acting backwards.

    rear turn and stop lights use the same circuit , most time you can find the problem at rear end lights wiring, did you checked ground wire there?
  25. E

    The Stupid Electronics Questions Thread

    i use to go to the yunk yard, and...

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