wiring harness

[Jimmy10415368]

Just got off the phone with nelson performance no harness for atleast a month whats the next best thing.

[gta87305]

do you have a factory harness it really isnt that hard to do at all. I just did mine and it was time consuming but pretty easy

[hotrod]

get one from psi

[gagliano7]

Psi

[1991SSP]

Psi

[Mickeymotormount]

99 Silverado 6.0 with original harness reworked. Here's some pics of the wiring:





Spare parts harness from the 99 Escalade(donor of the 4L60E I'm running)
















Finished product.





Definitely more time consuming than a "Plug and Play" setup but I feel it gave me a deeper understanding of what's needed to transplant these engines into an older vehicle.