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I have a 87 Sammy with a weber 38 outlaw, I just got a JDM Air/fuel ratio gauge. I install were the clock was, and I use the power and ground from the clock, so it turns on and off with the key, but it seems like the gauge does not read the air ratio until it is warm and no matter how I adjust the carb, it does not effect the gauge the way it should. I spliced into the O2 wire at the engine, but just before the plug on it,that goes into the harness. I think I might need to move were I spliced into the O2 wire, and if so , what is the best spot.