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Tuck that seal! So far I've bought 5 of the TYC taillights, and I'm going to buy two more for Roscoe. Also note that if you push your C3500 with your C1500, the bumpers might not match up correctly, leading to an odd number of taillight replacements.
This has me wondering.. my ‘95 C2500 has the O2 sensor in the Y pipe but is only 1 wire. Is this because it is an 8600GVWR truck? I have to check my ‘92 C1500 to see if it is 3 or not. The O2 is on the Y pipe on that as well.The earlier model V-8 drivers side manifolds had a single wire O2 sensor on the drivers side. When they moved the O2 sensor the put a 3 wire heated O2 sensor on the y-pipe in front of the cat. in 1996 the vortec engines used dual cats with four 4-wire monitored o2 sensors. Word of caution, if there is a problem with the heater on the 3 wire sensor or it's heater wiring you will not get a check engine light and the truck will run find while using it, but at idle with will start to surge because the sensor will cool. I know this because I dropped an older engine with the O2 on the manifold in a 1995 that had the 3 wire originally. Years later I put headers, and 1995 y-pipe and converter back on it and it started surging. I found the pin for the heater had corroded and it was not heating up enough and would surge. If i revved it up the exhaust would heat the sensor up and it would drive fine until I sat at idle long enough to lose the heat. Check for full 12 volts at one of the pins and watch for corrosion in the connector if it was unplugged for long. But then again might not be an issue in TX.
I personally haven't seen a factory installed heated O2 sensor on a TBI.This has me wondering.. my ‘95 C2500 has the O2 sensor in the Y pipe but is only 1 wire. Is this because it is an 8600GVWR truck? I have to check my ‘92 C1500 to see if it is 3 or not. The O2 is on the Y pipe on that as well.