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I have a 2010 GMC Yukon XL that I?m trying to add an alcohol sensor to... I?m just trying to figure out what pin in the ECM I need to hook into for the sensor to function once I enable it in HP...

just got the rebuilt and shifting good now I see the ltft pulling a lot out and if you see anything else that needs help it would be greatly appreciated

increase line pressure is what I was trying to say sorry ……. I just found out that the tuner that did my wifes truck didn't even realize it had a miss on cylinder 3 so im sure everything he did is...

just got the transmission rebuilt with most of the sonnex upgrade parts after a tuner blew my shit up so any help would be greatly appreciated.... firming up shifts and increasing lockup

I live in Central Texas near Fort Hood

100611 I would like it to shift like a daily driver but still have the ability to shit and get under WOT, I do tow a boat with this truck on occasion so engine braking would be nice

It’s my wife’s truck but I did build the engine 1 7/8” long tube headers, pop up pistons 12:1+ compression, stage 1 3bolt bumpstick cam, port & polished heads, tsp valve springs, 3” headers back...

I am having issues with the transmission line pressure and slip since I installed the circle D torque converter any help would be greatly appreciated