[Bulk] [Gmecm] voltage regulators

[Jason M.]

Just looked up the alternator online, standard 105 amp CS series alternator 
(looks like a CS121).  Voltage regulator is built in, it's the part you plug 
the wiring harness into.

I work at a parts store and have seen a few times where the plug was ether 
not plugged in at all or packed full of grease from the engine bay causing a 
poor connection.

Will the car start at all on the battery?  If it does your problem is with 
the cars wiring.

http://www.alternatorparts.com/cs130_sbpage1.htm  -- here are some 
instructions, page 4 has a fairly terrible picture that shows the regulator.

btw, I have the CS 130 alternator torn down from my '92 caprice right now to 
replace the rectifier, brushes and bearings.  Also powder coated it with 
single stage chrome on the case and mirror black with irredecent emerald on 
the fan and pulley, looks really good.
----- Original Message ----- 
From: "Swamp Fox" <stevie_g at swampfoxcustoms.com>
To: <gmecm at diy-efi.org>
Sent: Saturday, May 13, 2006 5:28 PM
Subject: [Bulk] [Gmecm] voltage regulators




Working on a '92 Saturn with a charging problem.
Alternator puts out 14.5 volts on test stand but sends zero to battery when
car is running.  Less than one ohm resistance from alternator to battery
terminal.  I'm guessing the voltage regulator is somehow integrated into the
PCM on these?


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