T56 wiring problem!!!!!!!!

[69camarokid]

so im pulling out all the redundant wires in my harness from my 95 LT1/t56 in my 69. I have one wire i think is redundant that is coming out of the side of passenger side of the T56. Its athicker wire and light green. any ideas as to what it does????

or maybe anyone knows where i can find a wiring daigram for the t56, couldnt find one anywhere!!!!!

[chicane67]

http://www.ttcautomotive.com/English/products/T-56.asp

[matty b]

reverse lights

[69camarokid]

thanks!