Have a look at these, you need to be able to display pdfs to see them:
http://www.subaru-svx.net/photos/fil...list/41621.pdf
This is from the US '92 WSM, but I think your car looks to be '93 production by the all-red colour, so I expect your wiring to be the same.
Joe
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Black Betty [Bam a Lam!] '93 UK spec, still languishing
Betty
Jersey Girl Silver '92 UK [Channel Isles] 40K
Jersey Girl @ Mersea
Candy Purple Honda Blackbird
Plum Dangerous
White X2 RVR Mitsubishi 1800GDI.
Vantastic
40,000 miles Jersey Girl