Hagen Brothers farms,Goodrich ND | I get atleast 5 years out of cheap 72 amp Delco 12SI, as long as I keep them cool with a clean air supply duct.
This little bit of hardware store plumbing changed my old 14 series from a two alt per harvest machine, to one getting atleast 5 years out of those $50 alternators.
It takes minor rewiring at the alt light relay socket to make the Delco work.
Edited by Jon Hagen 11/3/2009 23:40
 (Duct 3.jpg)
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 Duct 3.jpg (22KB - 84 downloads)
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1660 Alternator, Motorola, Repalcement
