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Which donor truck for transmission swap - 4L80E for NV4500?

SnowDrift

Radical Right Wing Extremist
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Central Ohio map dot
Thread starter #1
Since I'm starting to get the itch again, I've been looking for another donor truck for my '95. I originally had purchased an identical chassis/year for the swap, but I'm wondering how important that is. I'm still leaning toward finding a '95 if I go through with this, but what sort of issues would I come across if I ended up with a '96 model, instead? Computer is different, but am I looking at a harness change, also?
 

THEFERMANATOR

FRANKENBURBAN
Staff member
Lead Moderator
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ZEPHYRHILLS FL
Staff #2
95 is a 1 year only in MANY ways. Yes, the harness's are different, cluster is 1 year only, most of the engine harnesses are 1 year only(but close to the harness for 94, just with the underhood fuse box by the abs instead of the strip of fusible links and fuses by the accumulator), different abs control board, and so much more. 95 is obd1 and 96 is obd2, most anything electrical was changed. I'm sure you already know about the entire accessory drive change on the engine. I'm sure there's alot of parts you could interchange and make things work, but then you start getting into 1 of a kind custom territory, and that's not a fun place to be a thousand miles from home broke down.
 
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