M1083 Alternator output

Grimbo

New member
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Lenoir, north carolina
When the engine is running I’m seeing 32v on the 24v post and 14.2v on the 12v on the relay panel, the 14.2v appears good, but the 32v is high.
I took a pic of the readings on the regulator and alternator when running, excuse the wobbly text.
basically 24.2v on the left post of regulator, 32v on the right hand post.
if I switch the driving light circuit off, the voltage will dropto 28.2v which appears correct. Any ideas on what to check, I don’t want to replace the pricey regulator if it is something else. Thanks
 

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chucky

Well-known member
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You might get more responce by posting in the FMTV thread theres alot more guys with FM/LMTVS in there to help you ! Are both of the 2 little green lights blinking back and forth ?
 
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