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i'm building a ls3 wiring harness for my 49 chevy----- this looks like the oil pressure sender located behind the plenum on the L/H side. Hopes this helps. larry
Not certain but it may be the wheel speed sensor that connects to the left front tire. I have my harness out of the car at the moment and I will take a look tomorrow when I get back down to the shop.
yep.. after the other answer above I found it in manual.. Solves a second issue was a connector in drivers front fender not connected to anything and now I know why.. getting lighter by the minute..