This is a picture of the output end of the duct work that I installed to direct cool air into the Alternator area. If you look at my file titled alternator issues, you can find information on alternator circuit and temperature issues I have been dealing with at this link. http://community.fmca.com/topic/3930-engine-alternator-issues/ After many up grades and alternator change outs. it has become apparent that the only way to resolve the issue of failing alternators was to direct outside air