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Old 11-02-2013, 03:12 PM   #5
BigRed76
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Join Date: Jan 2010
Location: Loveland, CO
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Re: correct transmission for 6.0

From what I can tell in your picture the big connector is for the 4L60E transmission, the 2-wire connector is for the Vehicle Speed Sensor (Only 1 on a 4L60E), and the 4-wire connector I believe is for the left front oxygen sensor (the oxygen sensor connectors will usually have those little blue safety clips from factory)...
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Zach

1970 Chevrolet Custom Camper K20
1971 GMC Super K2500, 12V/NV4500 swap in progress
1971 Chevrolet Custom C10
1972 Chevrolet Custom Deluxe C20, 5.3/4L60E
1972 Oldsmobile Cutlass Supreme, 455/TH400, 3.73 posi
2004 GMC Sierra 2500HD, LB7/Allison, CCSB
2005 GMC Sierra 1500, 5.3/4L60E, CCSB

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