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Any GMC technicians here? Or your just great with electrical things? by sc3800ttops
Started on: 09-03-2006 05:47 PM
Replies: 2
Last post by: topher_time on 09-03-2006 10:29 PM
sc3800ttops
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Report this Post09-03-2006 05:47 PM Click Here to See the Profile for sc3800ttopsClick Here to Email sc3800ttopsSend a Private Message to sc3800ttopsDirect Link to This Post
Damn the Denali. I have a 99 GMC Denali and all hell is breaking loose inside.

The following dont work:
Auto headlights
Power locks
All interior lighting including the mirrors
Power mirrors

Now this happened years ago and it was a BCM, so I thought it could be the same. I bought a used BCM and it did not work only for me to learn that they need to be programed with your vehicles info. So the dealer charged me $150 to tell me the BCM and computer are not responding. That is with the new one. Before I put the old one one back in and waste another $150 to see if they are communicating, anyone have any advice?

much appreciated!

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Jason (real life)
AKA SC3800TTOPS (pff)
AKA thejknight (ebay & aol)

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84fiero123
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Report this Post09-03-2006 10:24 PM Click Here to See the Profile for 84fiero123Click Here to Email 84fiero123Send a Private Message to 84fiero123Direct Link to This Post
A Baby Suburban!

We have 2 Suburbans on the farm, 86, and 94. Thank god they donít have any electrical, computer problems.

Just had to say that, sorry I canít help with your problem but at least itís a bump to the top.

Someone here is a GM Tech and Iím sure he can help you with it. I just havenít kept up to date since I left in Ď90, sorry.

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technology is great when it works
and one big pain in the ass when it doesn't.
Detroit iron rules all the rest are just toys.

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topher_time
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Report this Post09-03-2006 10:29 PM Click Here to See the Profile for topher_timeClick Here to Email topher_timeSend a Private Message to topher_timeDirect Link to This Post
Was the used module in service in another vehicle? Apparently these modules can only be programmed ONCE, which means you have to buy a new one. Gotta love GM.
I work on high end import junk, so I hope that is correct.

[This message has been edited by topher_time (edited 09-03-2006).]

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