akamcbird Posted December 18, 2009 Share Posted December 18, 2009 ok so wiring an alternator from scratch, a cs130 standard gm alt. all the write ups ive found online say S terminal wires to battery post on the back of the alt. and the L terminal connects to 12v keyed power with a charge lite or resistor in the middle. a couple of the write ups say 3-4 antidisestablishmentarianism bulb (http://www.ih8mud.com/tech/cs130.php) the delco site says nothing of bulb wattage but states 35-500ohm resistor (fig.11 http://www.alternatorparts.com/cs130_sbpage6.htm) by my math a 3wat 12v bulb would have 48ohms, 4wat 12v bulb would have 36ohms, but i can't find a 3 or 4wat bulb suitable for the application. i can find 1 and 2wat bulbs, 144 and 72ohms, is there any reason one of these wouldnt work? does my math work for what I'm doing? thanks for the help, terence Link to comment Share on other sites More sharing options...
DirtyComanche Posted December 18, 2009 Share Posted December 18, 2009 Resistance is resistance. As long as either is within the spec of 35-500 ohms, you're good to go. Any of the bulbs will work, yours will just be brighter. Link to comment Share on other sites More sharing options...
89eliminator Posted December 18, 2009 Share Posted December 18, 2009 :agree: Link to comment Share on other sites More sharing options...
akamcbird Posted December 18, 2009 Author Share Posted December 18, 2009 thanks for the help. didnt want to fry my alt. Link to comment Share on other sites More sharing options...
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