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Showing results for tags 'Mooney acclaim alternator'.
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My mechanic is working on a puzzling electrical problem on a Mooney Acclaim (2009?) that I find interesting enough to post and see if anyone has seen this. This is what I know about this problem: (no it is not my M20S!-- fortunately) 1- the Alternator drops out when the rpm drops below 900. 2- re-setting the alt-field or the circuit breaker will bring the alternator back on-line at 1000 rpm 3-Rebuilt alternator did not solve the problem. 4-Bypassed the alt relay and did not solve the problem. 5-checked for loose wires and none found. 6-Voltage regulator on the list to be replaced but not done yet. 7-The line voltage is always greater than 28.6 volts. 8-Charging and alternator performance appears normal at 1000 rpm and above. Any ideas would be appreciated M20S Driver