07-10 DURAMAX 6.6L LMM CHEVY 3500 ECU ECM ENGINE COMPUTER 12609441 HAS COMM GM ABS VIDEO If any backlighting goes out

If any backlighting goes out in this time

* Pins perfect

Please use the part number provided to verify fitment with your dealer/mechanic if unsure prior to purchase 2002 to 2004 GMC Envoy and Chevy Trailblazer models with the DIC ODO display

R8265835AF

07-10 DURAMAX 6.6L LMM CHEVY 3500 ECU ECM ENGINE COMPUTER 12609441 HAS COMM GM ABS VIDEO If any backlighting goes outPart Number 12609441 and service number 12609441 You must match this exactly! Tech Notes ECU tested and does have communication and a properly functioning processor! **NOTE** These units are typically surged and burned up due to a mechanical or wiring issue in the vehicle. Make sure all other mechanical issues wiring connectors ground points are checked prior to installing this replacement or there is a good chance it will be blown up as well. Fitment