[elky] Re: '80 Alternator

  • From: John Christensen <johncgg@xxxxxxxxx>
  • To: elky@xxxxxxxxxxxxx
  • Date: Sun, 28 Nov 2010 06:40:56 -0600

I bet Mary has a wiring diagram. I probably do in a service manual too. Both
my g0bodies read lower on the gauge than at the battery.

JC

On Wed, Nov 24, 2010 at 12:31 PM, Chris Lindh <chris@xxxxxxxxxxxxxxxxx>wrote:

> Yes, I had previously used the brown wire that originally plugged into
> the SI alternator.  I had to extend the wires since the V6 had the alt
> on the passenger side.  I do not know where that brown wire
> originates.  I changed the "L" (lamp) exciter wire to a wire coming
> from the HEI plug with a 470 ohm resistor.
>
> I installed the new CS130 alternator and I'm back in business: 14.7
> volts read at the alt.  When the alternator is "on" with key turned
> you can hear a high pitched sound, the same as the previous CS130
> (before it died).  I hope the resistance is correct...
>
> One snag, I had to clock (rotate) the alternator housing so the stud
> would clear the valve cover.  I don't use the rear support, so this is
> not a problem.  It's a bit more tidy with the alternator plug hidden.
>
> On Wed, Nov 24, 2010 at 6:10 AM, John Christensen <johncgg@xxxxxxxxx>
> wrote:
> > Is that the brown wire that goes to the 2 wire clip on the back? Where
> does
> > the other end go? To the dash cluster? Are we there yet?
> >
> > My gauge on the Monte reads way low, but the voltage measures fine at the
> > battery. I think there is a bad connection somewhere. I had the dash
> partly
> > out to fix the transmission gear selector indicator (the little loop
> > broke.... they all do, so a little binding wire fixed it). I didn't tear
> it
> > down far enough to clean the contacts on the ribbon connector. Seems like
> > that fixed the same situation on the Elky, but only for a short time. I
> > should replace the middle bulb on the Monte too. Why does that one always
> go
> > out???
> >
> > I should also pay attention to the bulbs. when I start it next time. I
> know
> > the check engine light has been pulled, along with the computer. I
> suppose
> > if the bulb is out, I could be in trouble then.
> >
> > Thanks,
> > JC
> >
> > On Mon, Nov 22, 2010 at 7:34 PM, Chris Lindh <chris@xxxxxxxxxxxxxxxxx>
> > wrote:
> >>
> >> I measured the same voltage on the "L" exciter wire as the voltage at
> >> the battery, and the only warning light illuminating when I turn the
> >> ignition to "on" is the "Fasten Belts" light.  So I took the
> >> ignition-on 12V source from the HEI plug and added a 470 ohm resistor,
> >> 1/2 watt, so when the battery voltage read 11.85 the L wire now reads
> >> 11.75.
> >>
> >> I've read stock CS alternator wiring has a resistor in the wiring in
> >> case the warning light goes out... my '80 probably does not have this
> >> resistor.  A 50 cent bulb took out the alternator?
>
>
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>
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