My car is a 78 LeMans. I have changed most of it to malibu parts. I bought taillights and quter extenions from a 78 malibu........and now the trouble begins. The wiring harness is at first glance the same, but upon closer inspection i found it to be very different. I have a blue wire going to certian sockets. No diagram i can find has this blue wire shown. The sockets themselves are even different. They won't fit in the malibu taillights. I went back and looked at the malibu i got the parts from and it has no blue wire and the fellow is going to use the harness in it. I have instructions to build a harness off of, but after market sockets dont have the same colored wires. HELP!!!