Horn is fixed thanks to my impeccable wiring skills.
AEM Wideband has turned up, now I can see if my engine is going to shit itself.
Last night I decided to pull the fuel pump out to see if the seller was telling the truth about it being an upgraded one. It looks like it is, but as I removed the pump one of the power feeds to the pump came loose. That was a joy fishing it out of the tank.
Welding Monday...