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Old 05-17-2020, 01:49 PM   #1
hatzie
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Join Date: Oct 2008
Location: Wentworth, NH
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Lightbulb GMT800 1999-2007 GM Fullsize light Trucks and SUVs FAQ

GMT800 1999-2007 GM Fullsize light Trucks and SUVs FAQ

I'm looking for threads from this forum to fill this. I've started looking through the posts in this forum starting with the oldest. There are over 100 pages and the builds section to look through so it'll take me some time.

I will occasionally move or delete user posts from this thread to keep it un-cluttered.
If you don't want your comments to be ruthlessly pruned the FAQ Discussion is in this thread. http://67-72chevytrucks.com/vboard/s...d.php?t=805893

The following are GMT800 series light trucks.
  • 1999-2006 Chevrolet Silverado & GMC Sierra
  • ........2007 Chevrolet Silverado Classic & GMC Sierra Classic
    Non trivial body, interior, and electrical revisions were implemented in the model year 2003 and newer Sierra and Silverado.
  • 2000-2006 Chevrolet Tahoe, GMC Yukon, & Chevrolet Suburban
  • 2002-2006 Chevrolet Avalanche
  • 2002-2006 Cadillac Escalade
  • 2002-2009 Hummer H2
  • 2003-2014 GMC Savana and Chevrolet Express Fullsize vans. While not GMT800 series these fullsize vans are used as commercial delivery and service vehicles and are sisters to the light trucks. Just as the older G & P series vans were with the T400 & earlier CK series light truck lines.

VIN number info
GM T800 Upfitter guides
  • 2000-2013:https://www.gmupfitter.com/pdflists/view/6
    These upfitter guides are intended for fleet equipment installers or "upfitters" they include electrical and other information not easily accessible or not available at all in the GM service manuals.
GM T800 series Owners Manuals
Chevrolet Silverado
GMC Sierra
Chevrolet Avalanche
Chevrolet Tahoe Suburban
Cadillac Escalade
Hummer H2
Chevrolet Express Van
GMC Savana Van
__________________
1959 M35A2 LDT465-1D SOLD
1967 Dodge W200 B383, NP420/NP201 SOLD
1969 Dodge Polara 500 B383, A833 SOLD
1972 Ford F250 FE390, NP435/NP205 SOLD
1976 Chevy K20, 6.5L, NV4500/NP208 SOLD
1986 M1008 CUCV SOLD
2000 GMC C2500, TD6.5L, NV4500
2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263
2009 Impala SS LS4 V8


RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...Please include at least the year and model in your threads. It'll be easier to answer your questions.
And please let us know if and how your repairs were successful.

Last edited by hatzie; 06-04-2020 at 03:37 PM.
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