So got a long bit of wire and connected it to the GR wire that connects it to the horn and ran it back near the CPU so I could check continuity between it and the GR wire coming off the CPU plug and it has continuity. The GW wire measures 12v with a multi meter and when jumpered to the GR wire I get no horn. However when I jump the wire from the battery to the horn it works. The CPU also clicks. So it seems to me like nothing is wrong but I'm still getting no F'n Horn
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