for those with the 3g alt upgrade
#1
for those with the 3g alt upgrade
how many volts is everyone running with their 3g alternators? i just finished mine and the lights still dim at lower rpms but only when its in drive. in park at almost the same rpms, the lights dont dim. i need help
#7
RE: for those with the 3g alt upgrade
well mine dimmed when i had the old stock alternator and i wasnt expecting them to dim with the 3g. i havent even installed the amp and the subs that i just bought but i do have all the wiring for the amp connected to the battery.
#8
RE: for those with the 3g alt upgrade
Do you have underdrive pullies?
If so, replace the underdrive alternator pulley with the stock 75 amp alternator pulley.
Also, the stock 3G pulley is the same size as the underdrive alternator pulley. Put the 75 amp pulley on.
Even with the 3G my lights were dimming at idle with the underdrive pulley on so I went back to the stock pulley for the 75 amp alternator and now have no charging issues at idle.
If so, replace the underdrive alternator pulley with the stock 75 amp alternator pulley.
Also, the stock 3G pulley is the same size as the underdrive alternator pulley. Put the 75 amp pulley on.
Even with the 3G my lights were dimming at idle with the underdrive pulley on so I went back to the stock pulley for the 75 amp alternator and now have no charging issues at idle.
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