Installed a 2008 4L70E into my 04 and it won't shift and speedo not working
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on the 4l80 swap with two vss sensors you have to add a second vss sensor and pin it at the pcm for it to work correctly. So if the trans has a second vss you might consider doing some reading on the 80 swap and give that a shot. pm me if you want a place to get that rear vss harness.
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on the 4l80 swap with two vss sensors you have to add a second vss sensor and pin it at the pcm for it to work correctly. So if the trans has a second vss you might consider doing some reading on the 80 swap and give that a shot. pm me if you want a place to get that rear vss harness.
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