Grandprix1 Posted July 21, 2016 Report Share Posted July 21, 2016 Hi All, After poking around in the engine bay i noticed a small connector with a blue backing at the top rear of the engine above the rear valve cover. It is unplugged and i can not find where it plugs into. The Ho2S is there and connected but this is above it. The L67 engne does not have it according to the 2002 Grand Prix Service Manual. There is no idiot lights on and it runs just fine. There is according to my mulimeter 11.9V DC going to it with engine turned to ON postion but not started. Is it supoosed to be like this? What does it actually do? Thanks Grandprix1 Quote Link to comment Share on other sites More sharing options...
Imp558 Posted July 22, 2016 Report Share Posted July 22, 2016 Wire colors would be useful here. The wire with power is either pink or brown, what's the other? It's an 02 GTP? Quote Link to comment Share on other sites More sharing options...
Grandprix1 Posted July 24, 2016 Author Report Share Posted July 24, 2016 I do believe they are both pink. Its an 02 GT. according to service manual the L67 engine (GTP) does not have that connector. Dealer says its just an extra connecter GM put on but was not used. Im just going to leave it alone and forget its there. Quote Link to comment Share on other sites More sharing options...
Imp558 Posted July 24, 2016 Report Share Posted July 24, 2016 I wonder if it's for the Magnasteer option. Quote Link to comment Share on other sites More sharing options...
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