Mick Day Posted March 28, 2005 Share Posted March 28, 2005 My alternator seems to be working OK, charges the battery without problem. However once the car is hot if I switch the engine off & then turn the ignition on the red ignition light does not come on. Let the car cool & the red light comes on etc. Checking the voltage at the ignition light contact on the alternator & earth the meter says only 1 volt. At idle & above the voltage at the battery is 14.1v. I've checked the wiring at the alternator & eveything is tight etc. What problem do I have? Failing diode pack? Link to comment Share on other sites More sharing options...
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