6.2L & 6.5L Performance Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines Related to Performance and Longevity

4L80E Shift Enhancer

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  #1  
Old 03-15-2011, 02:41 PM
99crew's Avatar
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Default 4L80E Shift Enhancer

"B&M 70380 - B&M ShiftPlus Electronic Shift Improver Kits
Diesel Shift Enhancer for all 93-98 6.5TD's in any truck using the GM 4L80E electronic overdrive transmission"

Would this work in a 1999 with a 4L80E? Would the two wires that get spliced into be different colors?
 

Last edited by 99crew; 03-15-2011 at 02:52 PM. Reason: add info
  #2  
Old 03-15-2011, 07:08 PM
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that odd 93 to 2000 has same motor and trans i would call B&M see what they have say
 
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Old 03-15-2011, 07:55 PM
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i have heard some good things about it from fellow diesel owners. no idea on the wire splicing but even though they had the 4l80e tranny from 93 to around 2006 they changed them a little through the years so i bet wire splicing doesnt work for newer ones is my guess. i would call though
 

Last edited by Woody35; 03-15-2011 at 07:58 PM.
  #4  
Old 03-16-2011, 09:57 AM
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Called B&M. They say will not work on 99's as they have different computer controls. No other wires to splice into, just will not work. Shucks.
 
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Old 09-14-2011, 10:18 AM
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How well does this product work?
 
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