1997 GMC C3500 wheres it at?

1997 GMC C3500
150,000 MILES • V8 • 4WD • AUTOMATIC
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AMAEZING
  • MEMBER
  • 1 POST
where exactly is the powertrain control module??
Feb 24, 2008 at 6:55 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
The ECM/PCM/VCM is located at C1 see below


https://images.2carpros.com/forum/automotive_pictures/12900_pcm_1.jpg

Feb 24, 2008 at 9:20 AM
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