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no ignition

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jamesg1551
User

Nov 20, 2015, 4:14 PM

Post #1 of 4 (1605 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 (1601 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 (1570 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 (1564 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





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