Last week my Voltage on my 05 Ultra went down to 10V's. this happened two years ago &amp\\; I replaced the Regulator. I haven't had a problem since then. I replaced it again &amp\\; today my wife &amp\\; I were riding to work &amp\\; the voltage droped again to 10V's. Also the chack engine lite came on &amp\\; the code read PO113 Which is IAT Sensor voltage open/high EFI. Did I get a bad Regulator &amp\\; why did the PO 113 come Up can Anyone help me. I will check the voltage at the stator lator on this afternoon &amp\\; also the readings @ the regulator. All suggestions are alway helpfull.

 

I would be quite sure you did, but Ill say it anyway. Did you check the condition of&nbsp\\;your battery?

 

I'm going to check the Battery &amp\\; all the voltages this afternoon when I finish work.

 

Did you check the output of the alternator?? There were some problems with the rotor wearing through/shorting the wires from the stator on some twin cams.

 

I'm going to check the Altenator output, &amp\\; the Regulator later today. I will also check the condition of the battery. the heat out here in The Chandler Az. area seems to play hell on your electronics.