jeffrm Posted April 16, 2014 Report Share Posted April 16, 2014 When I bought my tahoe i was told it had a mechman 240 internally regulated and a mechman 340 externally regulated. But there are no markings on them except the numbers on the supposed 240. Which are pictured. Quote 03 tahoe z71 4 death penalty 18s 2 ampere audio 3800s @ .5 each 18v 156.7 @ 35hz 158.5 @ 50hz Link to comment Share on other sites More sharing options...
jeffrm Posted April 16, 2014 Author Report Share Posted April 16, 2014 Quote 03 tahoe z71 4 death penalty 18s 2 ampere audio 3800s @ .5 each 18v 156.7 @ 35hz 158.5 @ 50hz Link to comment Share on other sites More sharing options...
jeffrm Posted April 23, 2014 Author Report Share Posted April 23, 2014 Any help? Quote 03 tahoe z71 4 death penalty 18s 2 ampere audio 3800s @ .5 each 18v 156.7 @ 35hz 158.5 @ 50hz Link to comment Share on other sites More sharing options...
MECHMAN Posted April 24, 2014 Report Share Posted April 24, 2014 The alternator with the finned rear cover is a externally regulated 340 amp.. As for the other alternator with the black rear cover It could either be a 240 or a 270 amp G series Quote 1-888-MECHMAN www.Mechman.com [email protected] Link to comment Share on other sites More sharing options...
jeffrm Posted April 25, 2014 Author Report Share Posted April 25, 2014 The alternator with the finned rear cover is a externally regulated 340 amp.. As for the other alternator with the black rear cover It could either be a 240 or a 270 amp G series So they are in fact mechman? Quote 03 tahoe z71 4 death penalty 18s 2 ampere audio 3800s @ .5 each 18v 156.7 @ 35hz 158.5 @ 50hz Link to comment Share on other sites More sharing options...
Dangrebel Posted April 25, 2014 Report Share Posted April 25, 2014 And you got some belt slippage on the 340. May wanna get a new belt or belt tensioner. Quote 1999 GMC Yukon, 6 PSI platform 5 18's, 4th order bandpass by BHE, Taramps, Link to comment Share on other sites More sharing options...
jeffrm Posted April 25, 2014 Author Report Share Posted April 25, 2014 Going to be getting a new belt soon and possibly new tensioner. Working on the inside first. Quote 03 tahoe z71 4 death penalty 18s 2 ampere audio 3800s @ .5 each 18v 156.7 @ 35hz 158.5 @ 50hz Link to comment Share on other sites More sharing options...
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