The one I have been using is for a 86 Jetta turbo diesel. They are all the same as near as I can tell though. Mine is mounted in the main fuse/relay panel under the dash.

Here is a pic...

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I will have more info this weekend when I get mine setup. I kept the wiring harness from that Jetta too, so I was able to trace the wires and figure out what was what. I'll have all that info this weekend also.

I think it's going to work well.