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no ignition


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jamesg1551
User

Nov 20, 2015, 4:14 PM

Post #1 of 4 (1394 views)
  post locked   no ignition  

1994 gmc 1500 4.3l truck has in ignition problem. none. the ecm computor has been checked is said to be good. have put 2 new distributor,, checked ignition switch, coil, pick up coil and traced wiring found nothing wrong. could this be a miss match between ecm and pcm in distributor? vin.# is 1GTDC14Z2RZ555452. SERVICE # ON ECM IS16197427 is this correct for this truck? if not maybe pcm in distributor has wrong pcm in it. any help, please . thanks james


kev2
Veteran
kev2 profile image

Nov 20, 2015, 4:22 PM

Post #2 of 4 (1390 views)
  post locked   Re: no ignition  

do you have a wiring diagram and can you use a DVOM AND TEST LIGHT ?


(This post was edited by kev2 on Nov 20, 2015, 4:23 PM)


jamesg1551
User

Nov 25, 2015, 2:08 PM

Post #3 of 4 (1359 views)
  post locked   Re: no ignition  

 just a note: after many hours of work, found pcm in dist was wrong unit. It just shows you to always buy parts with vin.# . dist. fit fine, but truck built in texas was a work company truck . did not use standard parts. ase mech. should have caught that. truck running after i installed correct part. thank everyone for all the help..james


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Nov 25, 2015, 3:49 PM

Post #4 of 4 (1353 views)
  post locked   Re: no ignition  

Good to read you got it figured out. Thanks for the follow up. Closed as solve. Can be reopened upon request by the OP. Wink





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.






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