Drunkmonkey Posted December 3, 2008 Share Posted December 3, 2008 Hi Guys, My 92 legacy 2.2L (207000 miles original owner) has been flashing the idiot battery light and the parking brake light accompanied by a loss of electrical power. Seems to be random when it occurs almost like a bad ground (alternator will kick off and lights will dim, 30 sec to a minute later it will kick back on and lights will return to full power). I have checked all the wires and they are tight, also had my local Subaru master check the wires and connections which he agreed are tight. Thinking that it is the alternator (more specific the voltage regulator in the alternator). Tried replacing with a used alternator and the problem is ongoing. Would you suggest a new alternator and belt and if so what brand? Thanks Link to comment Share on other sites More sharing options...
Cougar Posted December 4, 2008 Share Posted December 4, 2008 Since another alternator did the same thing you would have to conclude that the real problem is within the wiring to the alternator. Try to measure the voltage on the wires on the back side of the alternator while the trouble is occuring. There should be 12 volts on each one while the engine is running. If one is low then that is the lead with the fault on it. Link to comment Share on other sites More sharing options...
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