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Hi all. I have just got my ABY engine, loom and ecu for my 84 WR URQ conversion. Has anyone got a wiring diagram for either the ABY or the 84 WR? What manuals have these diagrams? Haynes don’t seem to cover the S2 or the UR. Any web sites? All help very usefull. Thanks, des.
Thanks Mikes2l for your feed back on the Aby to URQ wiring and conversion. The www.s2forum web site has some very good diagrams for the aby/adu engine side loom and ecu. I am relatively happy with those diagrams and hopefully that side should go well.
What I plan on doing is to get everything connected and mocked up on the floor and get the engine running there. Then I can check with vag com that all sensors are ok and I have no fault codes bugs. This is the way I got my tdi engine running in my A2 golf. The tdi has lots more wires than the ABY as it has a drive by wire throttle, electronic fuel pump etc, etc, so wiring doesn’t scare me. And im also an electronic engineer.
The only problems I can see is on the 84 WR side. As it’s an 84, then it is even worse than other URQ’s as it is more of a miss match or wires, and looms etc. I haven’t looked much at the URQ wiring yet, but on first inspection it isn’t great. There are wires spliced into the top side of the fuse box where the fuses are. The fuel pump relay is bypassed somehow, as the pump runs as long as the ignition is on. I notice the wastage has been adjusted… Then the stupid digital dash has gone on the blink.
So I need more info on the UR wiring. The vin no of the car is wauzzz852ea901061. Can anyone tell me if this is a early 84 loom car or what? What are the best books to get for this car? I have Haynes manuals for audi 100-200 and 80-90 coupe. These don’t cover much. The red Bentley manual for the US 4000(80), CGT, is it readily available and if so where from? How can I get a copy of the factory diagrams even if they are not completely correct?
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