shootiniron
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When adjusting the output of the alternator do you turn the screw head under the allen plug CLOCKWISE or COUNTER CLOCKWISE to increase the output ? Also is it a slot head or philips head ?
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alternator adjust
- Thread starter shootiniron
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I use my digital volt meter to set my voltage adjustment. I don't trust the dash gauge to be accurate. I have some trucks that I set with my DVM at 28.5v and the gauges are not reading on the "tic" mark. I rechecked the voltage at the dash gauge and it's 28.5 there also. I read my gauges as a reference only, nothing too precise about them!
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- Glen Arm Maryland
Screwing it in increases the voltage.
nk14zp
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Clockwise to increase voltage.But like DH said use a vom.
Gastrap
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Yes, clockwise to increase.
Mine was putting out 31.5 when the dash gauge was on the mark,now at 28.5 its right on the line between yellow & green.
Mine was putting out 31.5 when the dash gauge was on the mark,now at 28.5 its right on the line between yellow & green.
DavidWymore
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My pot is backwards...I turned it counterclockwise or out initially and got 30+v.
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+2 the one on my M929 is counter clockwise to increase voltage also. I think its the same alternator.
DavidWymore
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Mine came from a 900 so makes sense
scboolitcaster
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For future reference, the output voltage adjustment procedure for the alternator is in TM9-2320-361-20 page 4-6