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

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#11

01-25-2024, 01:30 PM

Ian McCauley

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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?

#12

01-25-2024, 09:14 PM

LesMyer

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duplicate

Last edited by LesMyer; 01-25-2024 at 09:17 PM.

#13

01-25-2024, 09:16 PM

LesMyer

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If pin 4 is a ground (and it is), then yes.

#14

01-25-2024, 10:16 PM

Ian McCauley

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Posts: 26

Quote:

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?

#15

01-26-2024, 10:50 AM

LesMyer

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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; 01-26-2024 at 11:00 AM.

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