<VV> Dim lights at idle

[James Cooper]

The dash ground seems to be ok.   I put a meter on the car and it was 12.7 volts before running and then running with the alternator loaded up the voltage is high - reading 17.5 volts. Yikes!     Cables ohm out ok.  Voltage regulator maybe stuck?Jim
 Date: Sun, 19 Feb 2012 07:23:52 -0700
Subject: Re: <VV> Dim lights at idle
From: vair65 at sisna.com
To: cooperj123 at msn.com

check the dash ground screw along the steering column. it's a known problem with lm's-mike mann


On Sat, Feb 18, 2012 at 8:55 PM, James Cooper <cooperj123 at msn.com> wrote:





Hello All,  We took our '65 Monza sedan out for a bit of driving after dark tonight and I noticed something I had not before.  When at a stop light at idle and especially with the PG transmission in drive, the dash lights get really dim.  I don't really notice the headlights getting dim but the dash lights sure do, almost to dark.  And then when driving away and the engine revving up the dash lights come back to normal, but not instantly.  I will  put a voltmeter on the car tomorrow and check it out but I wanted to see if this was a common thing with LM Corvairs.  I remember getting low output from the earlies with a generator.   I would expect some voltage drop at idle but I'm not sure why it is so bad at the dash lights-  because of the dimmer circuit?The battery in the car is a new one and the wiring I checked was good.  Maybe I have a weak alternator and its time for a fresh one and new regulator.  I don't know the age of what is in the car now.Jim

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