I have an OVP relay from a 1982 380 sec, would this work for a 1987 560sl? the sec relay has 1 extra "87" pin. The ovp in my '87 560sl had a bad coil, and I have it "bypassed" as a temp fix. Anybody know? the rest of the pins coincide with mine, just an extra #87 pin.

Thanks,
DDaymen