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Hi there; I recently started working on a 2007 XC90 4.4 V8 AWD and would like to find a repair service manual. I've been working on it replacing the alternator of which was a bear of a job because it was not charging and I also replaced all the gaskets on top of the engine because the rear valve cover gasket was leaking all over the alternator. Now the alternator charges fine at 14 volts but the charge light is on and the SERVICE POWER SYSTEM URGENT is displayed. It is a new alternator I installed and from what I've read on Google the ECM is no communicating with the alternator. Anyone know what wire pin number that would be at the ECM.
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