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Isn't the company you bought the alternator from any help with this? Should be a common problem with any car with the new RVC or like charging technology. You know you will be loosing any advantages of the RVC charging technology by bypassing the original design (around 8 miles per tank of fuel for the diesels)?

Maybe more of a problem then just "tricking" computer. The computer wants to control the voltage under varying engine load conditions/temperatures, etc and if it can't do that because the replacement alternator has it own regulator it may still set fault codes?
 

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Putting in the correct value resistor on the appropriate lead should get the system to see the alternator output voltage but I think you will still have problems because under operating conditions with the original alt/reg the system is very active in adjusting the voltage and doing checks. If the system does not see what it wants when commanded, I assume it will still set a fault. There is another posting here that gives a summary of all the things the RVC system actively does while it is in normal operation. I think you should review that so you can see the obstacles you're up against. If someone could tune out the faults that may be your easiest route. But then again you lost the advantage of the RVC system fuel saving of 8 miles per tank.:sad010:
 
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