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Search preserved mailing-list messages and current email and website contributions. Current posts are searchable before weekly archival. Recovery gaps remain possible. Words are matched together; try fewer terms if needed.

Page 3+: 60 results shown for Voltage.

Source-balanced relevance: matches from both collections are interleaved, with source dates breaking ties. Restoration time is not the original posting date.

  • Re: Blowing Voltage Regulator For Guages
    Historical mailing list - Joe Romas
    Sat, 3 Nov 2001 10:45:53 -0500
    It's possible they are blowing just after starting when the altenator is charging the most and the voltage regulator is dropping the most...
  • Temp gauge function
    Historical mailing list - John Patton
    Fri, 15 Mar 2002 16:36:08 +0000
    ...The voltage stabilizer is suppling more regulated voltage than needed. The stabilizer regulates the gauge voltage from available voltage to ~9.5V to 10...
  • Re: Update (not fixed...) Re: FIXED? (and, advice needed...) (was: Re: low voltage, starter running intermittently, but alternator is okay?)
    Historical mailing list - Roger Sisler
    Tue, 24 Jan 2006 17:56:51 -0500
    ...is the voltage regulator.I you are measuring at the alt, and getting only 13.5 maybe its the regulator. A new alt is...
  • Re: Batteries don't die, they get murdered
    Historical mailing list - Dennis Haynes
    Wed, 14 Feb 2007 20:52:20 -0500
    The open circuit voltage of a battery goes up as temperature goes up. The required charging voltage goes down as temperature goes up. Dennis...
  • Re: Alternators
    Historical mailing list - Alistair Bell
    Thu, 9 Apr 2020 11:03:30 -0700
    ...Ok? Ab > On Apr 9, 2020, at 10:58 AM, David Beierl <dbeierl@gmail.com> wrote: > >  > The only way to get an accurate voltage...
  • Re: Frig on 12v
    Historical mailing list - Greg Irick
    Mon, 18 Jul 2005 18:11:01 -0700
    For those of you that are having low output voltage from the voltage regulators, here is a link - http://bartonharness.com/AdjustableVoltage.html - that...
  • Re: Failing Fuel Pump?
    Historical mailing list - Joel Walker
    Tue, 19 Jul 94 00:38:41 CDT
    ...fuel pump relay (my guess at the culprit) - check terminal 86 of fuel pump relay for battery voltage; check terminal 30 for battery voltage...
  • Re: Low voltage
    Historical mailing list - Daniel L. Katz
    Fri, 16 Jul 2004 10:44:34 -0400
    ...normal for voltage to go down somewhat under heavy electrical load. see if you can check voltage across battery terminals before starting, and then...
  • Re: 84 Vanagon--Won't start at 40 degrees
    Historical mailing list - Scott Daniel - Turbovans
    Sat, 9 Mar 2013 21:10:47 -0800
    ...The pair of resistances form a voltage divider, and the > voltage measured at the junction between the two is proportional to > the ratio of...
  • Re: alternators
    Historical mailing list - Joel Walker
    Tue, 05 Jul 94 18:59:29 CDT
    ...The charging voltage is lower due to the high voltage drop. If all loads are connected on the alternator side, the voltage drop is...
  • Re: Vanagon alternator too weak for Optimas.
    Historical mailing list - Steve Delanty
    Mon, 21 Jul 2003 13:21:50 -0700
    ...The problem is that the crummy little internal regulator is lazy and tends towards low voltage. Also it measures the voltage *at the alternator...
  • Re: Van Dies while in motion
    Historical mailing list - Anthony Boscolo
    Sun, 22 Dec 2013 08:55:07 -0800
    ...Both high and low voltages can cause > > premature moto= > > r failure, as will voltage imbalance. Here, we'll look at > > the effects of lo...
  • Re: Dometic Wiring Question
    Historical mailing list - mdrillock
    Sun, 17 Aug 2008 06:00:40 -0700
    ...It makes a small voltage from the heat and that voltage goes over the black wire to the LED panel where it is amplified...
  • Re: hesitations (air flow meter)
    Historical mailing list - Darrell Boehler
    Wed, 17 Feb 1999 07:58:42 -0600
    ...Checking the afm (air flow meter) wiper voltage reading is a better test than checking resistance per bentley. One of the analog voltages monitored...
  • Re: Is there any way... Voltage Drop!!!
    Historical mailing list - John Y. Hung
    Sun, 9 Sep 2001 17:26:07 -0500
    Dear Vanagon listers, If memory serves me correctly, the instrument panel on the Vanagon has a voltage regulator on the back of it. I...
  • Re: headlight bulb question... One more...
    Historical mailing list - Mike B
    Sat, 8 Mar 2003 14:34:22 -0400
    ...If you know any electricians they pretty much all have a little book with lists of voltage drops per foot, per current draw (Amps...
  • Fwd: Can I Set 13.6 volts at the Alternator?
    Historical mailing list - David Beierl
    Wed, 14 Jul 2021 15:01:13 -0400
    ...vanagonlist a <vanagon@gerry.vanagon.com> Then I wondered if such a high voltage would actually hurt anything > in the van. > The nominal charging...
  • Re: 84 Vanagon--Won't start at 40 degrees
    Historical mailing list - David Beierl
    Sat, 9 Mar 2013 23:10:12 -0500
    ...The pair of resistances form a voltage divider, and the voltage measured at the junction between the two is proportional to the ratio of...
  • Re: AFM Voltage Ratios
    Historical mailing list - Mike Bucchino
    Sat, 4 Nov 2006 14:06:00 -0500
    AFM's don't 'put out voltage'. So they don't degrade in output strength. The wiper contacts inside wear, and degrade the quality...
  • More rant on grounds and vanagon syndrome
    Historical mailing list - Steve Delanty
    Thu, 10 Apr 2003 09:58:11 -0700
    ...Under "normal" conditions the voltage output of the O2 sensor is approximately 0.5 volts. A voltage output of 1.0 volt would indicate...
  • Re: Low voltage
    Historical mailing list - mark drillock
    Thu, 15 Jul 2004 17:54:37 -0700
    ...Sensing the voltage much farther downstream opens up the possibility that the ECU can see a much higher voltage than intended and for sustained...
  • Fw: Found - Voltage Stabilizer in Instrument Cluster
    Historical mailing list - Anthony Egeln
    Wed, 8 Dec 2010 09:57:04 -0800
    ...Then I did an archive search and there was a post back in 1998 about this part. �The upshot was that the voltage stabilizer...
  • Re: Mystery part - what is this thing?
    Historical mailing list - David Beierl
    Tue, 23 Sep 2003 03:56:08 -0400
    ...This eliminates the problem of a voltage drop >and consequent low charging voltage on the aux battery. see the following: > http://www.geocities.com...
  • Re: Voltage regulator or some other electrical issue??
    Historical mailing list - Loren Busch
    Mon, 5 Dec 2011 10:35:12 -0800
    On Mon, Dec 5, 2011 at 10:27 AM, Annie <lsandrsn@gmail.com> wrote: > > If indeed I do need to replace voltage regulator, though...
  • Re: battery question
    Historical mailing list - Vanagon
    Mon, 25 Aug 2014 09:29:27 -0700
    ...Sadly. > > Mark > > > > > Vanagon wrote: >> What do you see for a voltage on the house battery with the engine running and the reefer turned on...
  • Re: Auxilliary batteries
    Historical mailing list - Phil Zimmerman
    Tue, 15 Mar 2011 13:09:46 -0700
    ...My current plan is to put in a switched voltage drop to let me reduce the charging voltage on long drives, after some initial...
  • Prelim ecu plug test... interestin
    Historical mailing list - Alistair Bell
    Sun, 29 Mar 2020 12:25:04 -0700
    First steps in Bentley 24.61 Ecu plug, Voltage. 13 and 14 , battery voltage ... good 14 and 19, no voltage. I understand that 19...
  • Re: High voltage havoc from coil?
    Historical mailing list - David Beierl
    Mon, 15 Jan 2001 14:40:02 -0500
    ...And of course the big question I should have thought of instantly -- what's the system voltage with the engine running? Voltage regulator failure...
  • alternator output voltage?
    Historical mailing list - Matthew
    Wed, 15 Oct 2003 09:55:27 -0700
    what should the voltage coming off the alterator be? Is is legitimate to measure this at the alternator or should i measure it at...
  • voltage in water tank?
    Historical mailing list - Robert Harris
    Mon, 19 Sep 2005 11:20:06 -0400
    ...The meter does work fine and turning it on makes the voltage of the water go up to +1.5volts. This is an '84...
  • Re: Idle Stabilizer Control Unit Reverse Engineering
    Historical mailing list - Pensioner
    Mon, 8 Jan 2007 09:37:12 -0800
    ...Your tachometer uses a pulse per unit time to voltage conversion no digital stuff here nor D-A conversion. So if the transfer function...
  • Re: Voltage at alternator blue D+ lead?
    Historical mailing list - David Beierl
    Sat, 14 May 2011 19:32:51 -0400
    ...After various tests I found that the >voltage on the blue D+ wire to the alternator was 5V. I looked in >the alternator trouble...
  • Re: O2-sensor voltage problems '84 1.9L -- Help needed lead voltages!
    Historical mailing list - Dennis Haynes
    Wed, 24 Aug 2011 23:08:14 -0400
    I tried to provide an extremely simplified explanation of why there is a measurable voltage on the O2 sensor lead for those that do...
  • Re: AFM Voltage Ratios
    Historical mailing list - jon
    Sat, 4 Nov 2006 13:00:04 -0800
    I assumed the AFM was set up like a voltage divide, with +12v on one side, wipe, and ground. But, it looks like it...
  • Re: Strange no-start problem
    Historical mailing list - Geza Polony
    Sat, 23 Dec 2006 12:55:30 -0500
    Low voltage at ECU is one I never would have thought of. But the problem did begin with the onset of cold weather last...
  • Re: voltage regulator
    Historical mailing list - David Marshall
    Fri, 16 Mar 2001 20:23:03 -0800
    They are internal - although I have been experimenting with external mounted next to the battery for less voltage loss. David Marshall Fast Forward Autobahn...
  • Re: Original Battery Wire Gauge
    Historical mailing list - M'obeechi
    Tue, 16 Dec 2008 18:08:06 -0800
    Ok, plugging Copper, 2/0 with assuming foot length, and 330 amps gives a voltage drop of 3.52 percent... and 11.577 volts...
  • Re: Gap of Sparks
    Historical mailing list - David Beierl
    Sat, 15 Feb 2003 21:17:49 -0500
    ...Need less voltage as the electrodes get pointier, more as the air is compressed. > In any case, if it takes more volts to jump...
  • voltage regulator
    Historical mailing list - patty and danny
    Fri, 16 Mar 2001 17:48:57 -0800
    A stupid question from a true beginner, on an '81 aircooled vanagon is the voltage regulator alternator mounted or external mounted? Thanks, Danny '81...
  • Re: charge rate at main & aux batt
    Historical mailing list - TC
    Mon, 27 Mar 2006 06:48:35 -0800
    > The voltage regulator does just that, maintain a fixed voltage. Typical > is ~13.8. The batteries current draw is based on its charge acceptance...
  • Re: voltage stabilizer
    Historical mailing list - John Y. Hung
    Thu, 20 May 1999 13:20:28 -0500
    ...I >measured battery voltage across the two pins which was almost 12 V. Does >this mean it is toast and not dropping the voltage...
  • Re: Getting idle Vanagon to start
    Historical mailing list - Jim Morgan
    Fri, 13 Jan 2006 18:34:25 EST
    Your altenator in the van is not working to produce voltage to run the van after you disconnect from your jump car ( source of...
  • Re: air cooled alternator not charging
    Historical mailing list - Mark Drillock
    Fri, 4 Apr 2008 10:00:29 -0800
    ...I > am thinking that > there should also be voltage at the (field) side of the plug but there is > none. would i get > Voltage...
  • Re: O2 Sensor Voltage
    Historical mailing list - kenneth d lewis
    Sat, 3 Feb 2001 11:16:38 EST
    ...These are custom, single purpose voltmeters so I could make them read any voltage instead i.e. charging voltage, standby battery reserve etc.. Drive...
  • Re: Alternators
    Historical mailing list - David Beierl
    Thu, 9 Apr 2020 14:10:17 -0400
    ...It turns the field on full when voltage rises above the set point, and turns it off when it falls below. This normally happens...
  • 1982 westy voltage drop fix
    Historical mailing list - David and Shirin
    Tue, 18 Nov 2003 18:14:20 -0500
    I have been having problems since purchasing my westy with getting enough voltage up to the battery. Tonight after checking all the power wires...
  • Re: Odometer fixed..and "how dumb am I? (gas guage)
    Historical mailing list - Mike S
    Fri, 30 Jan 2009 09:17:55 -0500
    ...The fuel gauge is driven through a 10V voltage regulator, so if your supply voltage is so low as to effect the fuel gauge...
  • Re: Vitrifrigo trip results, wiring, battery life, charging issues, etc
    Historical mailing list - David Beierl
    Wed, 5 Aug 2009 22:24:58 -0400
    ...The voltage across the cable asymptotically approaches zero as the battery voltage approaches the alt voltage and the charging current approaches zero. Note that...
  • Re: New Front Brake Rotor Question
    Historical mailing list - David Kao
    Mon, 30 Mar 2009 22:36:42 -0700
    ...If I Most old analog panel meters will read "Average" Envelop voltage of any AC voltage. It is the way the meter responds to...
  • Re: Re- basic electronics q
    Historical mailing list - Cetin Seren
    Mon, 29 Jul 1996 02:10:43 -0400
    ...Memory >says that an LED is a reverse biased diode, and when you apply a voltage in >excess of the breakdown voltage, it begins...
  • Re: Electrical question (Coil terminals)
    Historical mailing list - Mike S
    Mon, 12 Oct 2009 15:07:55 -0400
    ...With the ignition on (car not running), measure the voltage between the two (meter ground lead to one, voltage lead to the other), then...
  • Re: 02 sensor readings
    Historical mailing list - Ben huot
    Thu, 2 May 2002 11:35:08 -0400
    Once the sensor is hot, it will produce a voltage based on how much oxygen is left in the exhaust. A higher voltage (.7...
  • Re: O2-sensor voltage problems '84 1.9L -- Help needed lead voltages!
    Historical mailing list - David Beierl
    Wed, 24 Aug 2011 11:02:55 -0400
    ...With nothing connected there is a voltage between the lead >and ground most likely the bias voltage or forward drop of the >base-emitter...
  • Re: Van Dies while in motion
    Historical mailing list - Roger Whittaker
    Sun, 22 Dec 2013 15:28:04 -0800
    ...Both high and low voltages can cause >> > premature moto= >> > r failure, as will voltage imbalance. Here, we'll look at >> > the effects of lo...
  • Re: Vanagon alternator too weak for Optimas.
    Historical mailing list - mike boland
    Mon, 21 Jul 2003 16:20:52 -0500
    ...Also it measures >the voltage *at the alternator* instead of at the battery >so when the electrical load is high, the voltage drop >across...
  • Re: New Front Brake Rotor Question
    Historical mailing list - David Kao
    Mon, 30 Mar 2009 22:41:47 -0700
    ...If I > > Most old analog panel meters will read "Average" > Envelop voltage > of any AC voltage. It is the way the meter responds to...
  • 1982 Westy air cooled fuel injection cold start valve voltage
    Historical mailing list - zzyzx
    Fri, 6 Nov 2009 04:14:40 -0800
    Is there any info on the voltage a cold start valve operates at on a 1982 Westy air cooled fuel injection system?
  • Re: Battery Charger Sizing (Amperage) Woe and Warning (?)
    Historical mailing list - Steve Williams
    Sat, 3 Aug 2013 12:39:06 -0700
    ...If I look at voltage as the >"push" ... a charger capable of a higher voltage output to push Amps >into the battery, would be...
  • Re: Temp II voltages
    Historical mailing list - Mark Ingalls
    Tue, 1 May 2001 04:07:04 -0500
    Hi Joe, What year van do you have? On my 85 the 02 sensor voltage sends out the default voltage signal of .5 volts...
  • Re: More rant on grounds and vanagon syndrome Friday
    Historical mailing list - Mike Miller
    Thu, 10 Apr 2003 10:04:26 -0700
    ...A voltage output of 1.0 volt would indicate an > EXTREMELY rich condition, and a voltage of 0.25 volts would be > extremely lean...