Quote:
Originally Posted by New_image
I would like to hear more on this. My pump and injectors are on the shelf. Waiting on my supercharger to show up before I start the install.
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I ordered a new harness and I can supply pn later just won’t have access to the shop and car till Friday to see if it works.
Update:
Looks like harness 12689504 will be a direct swap for harnesses for anyone with a 2019 trying to upgrade the hpfp to the lt4 pump. Will be swapping on Friday to verify.