eberhama Posted May 5, 2016 Report Share Posted May 5, 2016 (edited) Got my SS together enough to start it, and ended up with 1 plug I cant figure out where it goes. Its on the harness that connects the computer to the main fuse box. Its about 4" over from the plug that goes to the voltage regulator. Has two wires (blue/green) and the purple end on it. My 06 sierra doesn't have it, nor does my dads 05 4x4. Might be an 05 SS only thing? Edited May 5, 2016 by eberhama (see edit history) Quote Link to comment Share on other sites More sharing options...
WantaSSS Posted May 5, 2016 Report Share Posted May 5, 2016 maybe for the purge canister on the intake? Quote Link to comment Share on other sites More sharing options...
eberhama Posted May 5, 2016 Author Report Share Posted May 5, 2016 Too short to reach the intake. its long enough to reach the front of the master cylinder or something coming out of the fuse box, but thats about it. Quote Link to comment Share on other sites More sharing options...
chevybowtie72 Posted May 5, 2016 Report Share Posted May 5, 2016 Brake proportioning valve sensor? See pic Quote Link to comment Share on other sites More sharing options...
eberhama Posted May 5, 2016 Author Report Share Posted May 5, 2016 Not that one either, that ones accounted for. Quote Link to comment Share on other sites More sharing options...
jsanders347 Posted May 6, 2016 Report Share Posted May 6, 2016 Are you sure it's used? Sent from my SCH-I545 using Tapatalk Quote Link to comment Share on other sites More sharing options...
eberhama Posted May 6, 2016 Author Report Share Posted May 6, 2016 Not sure at all. The truck runs without it, can't be too important. Quote Link to comment Share on other sites More sharing options...
03SSBoy Posted May 6, 2016 Report Share Posted May 6, 2016 Windshield washer level ? Quote Link to comment Share on other sites More sharing options...
eberhama Posted May 6, 2016 Author Report Share Posted May 6, 2016 Nope, that ones on the headlight harness. I feel like I should offer a prize for the winning answer. Quote Link to comment Share on other sites More sharing options...
EXGM Posted May 6, 2016 Report Share Posted May 6, 2016 Not sure at all. The truck runs without it, can't be too important. Hard to tell from pic but is there witness marks like it was plugged in before? Quote Link to comment Share on other sites More sharing options...
johnS Posted May 11, 2016 Report Share Posted May 11, 2016 got pictures of my '05 SS engine compartment, you can look and might see Quote Link to comment Share on other sites More sharing options...
eberhama Posted May 11, 2016 Author Report Share Posted May 11, 2016 Well, I did find what plugs into it. When I put the truck together I used an 04 light harness, thinking it would be the same. This past weekend, I swapped over to an 06 e-fan harness and there was a plug that went into this one. Still not sure what it does, but at least it plugged into something. Quote Link to comment Share on other sites More sharing options...
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