Purchased a 97 2.5 wrangler. CEL was on . Found code 21 on O2 sensor upstream , checked sensor. Appears previous owner put a downstream sensor in the upstream position. I correct that, when I unplugged the sensor to install the new one I found 3 of the four pins in the male connector broken , can’t find a new male plug. Can you direct me to a parts supplier that might have one. Thanks