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Old 07-02-2013, 02:46 PM   #29
68GMCCustom
Truck and auto performance nut
 
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Join Date: Feb 2007
Location: McKinney,Texas
Posts: 3,848
Re: She won't fire up. Please help me! I"m at a complete loss!

If you're going to have to run a '11 ecm then I would sure have them(someone) check to see if there are differences in the '08 vs '11 wiring.

my harness was built on '09 specs only to find out my '07 ecm wanted things plugged in a little differently, which meant pin out changes. just saying ....now that you've corrected things to this point... don't be surprised if your in for more pin changes with the '11 ecm swap.
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Kurt -

'68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy
'72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close
'06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD
'18 Kia Sorento - wife's econo-driver
'95 Chevy S10 - reg cab shortbed, LS, 4.3, auto...

my '68's powertrain and chassis build -links broken
A surprise phase - carb to efi -links broken
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