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Re: How do you prove an ECU is faulty?
Posted to Technical Discussion Forum on 7/29/1997

Well you have got the year right it is a 1987 Subaru GL with single point Fuel Injection. BUT I get over 20 volts (27 volts to be exact) with the red blue wire from 49 removed from the ignition relay socket. The second set of contacts in the ignition relay go ... Login to read more.