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NVG233 (RPO NP1) 4WD Transfer Case Info (2001 Blazer)

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Old Jan 25, 2024 | 01:30 PM
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Ian McCauley's Avatar
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When trying to check the TCCM for codes is it Ok to jump pin 13 to pin 4 on the data link connector?
 
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Old Jan 25, 2024 | 09:14 PM
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Last edited by LesMyer; Jan 25, 2024 at 09:17 PM.
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Old Jan 25, 2024 | 09:16 PM
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If pin 4 is a ground (and it is), then yes.
 
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Old Jan 25, 2024 | 10:16 PM
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Originally Posted by LesMyer
If pin 4 is a ground (and it is), then yes.
Thanks. I jumped pin 13 to pin 4 and I get no lights on the buttons when I turn the key on. Bad/failing TCCM?
 
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Old Jan 26, 2024 | 10:50 AM
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Blown fuse? There are several. See schematics. Finish reading all the diagnostic charts for understanding.

If you are going to post more on this, please start a new thread for yourself.
 
Last edited by LesMyer; Jan 26, 2024 at 11:00 AM.
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