Skip to main content
Gerry | Vanagon
Checking account...
← vanagon.com home · Continue the discussion in the forum
VanagonEuroVan

Search messages and discussions

Clear search

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 2+: 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: 12.2 V at rest ('85 Westy w/2.1L)
    Historical mailing list - David Beierl
    Wed, 16 Jun 2010 17:31:51 -0400
    At 05:18 PM 6/16/2010, Scott Daniel - Turbovans wrote: >the guy who originally turned me onto solid state adjustable voltage >regulators for...
  • Re: alternator output question
    Historical mailing list - mark drillock
    Thu, 3 Feb 2011 11:32:32 -0800
    To get a true sense of what the alternator is putting out you have to measure the voltage right at the alternator. There could...
  • Re: HELP! Oxy & Batt lights
    Historical mailing list
    Mon, 28 Aug 2000 10:19:42 EDT
    Ed, the alternator has probably died (or at least the voltage regulator has). Check the battery voltage with van off. Now start the van...
  • Voltage Stabilizer in Instrument Cluster
    Historical mailing list - Anthony Egeln
    Wed, 8 Dec 2010 09:49:35 -0800
    I've been asking around about getting a used instrument cluster so that I can get one with a good voltage stabilizer (mine won...
  • Re: Van Dies while in motion
    Historical mailing list - Roger Whittaker
    Sun, 22 Dec 2013 00:36:29 -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: Speaking of cooling issues ...
    Historical mailing list - David Beierl
    Mon, 22 Apr 2013 00:15:36 -0400
    ...1) Gauge voltage at temp guage, between ground pin (the skinny one) and whichever gives the higher voltage. Should be 10.0 +/- 0.5...
  • Re: Auxilliary batteries
    Historical mailing list - mark drillock
    Tue, 15 Mar 2011 07:39:26 -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...
  • Re: Alternators
    Historical mailing list - Alistair Bell
    Thu, 9 Apr 2020 13:44:48 -0700
    ...Alternators > >> >> - the voltage drops as electrical loads applied. in winter, headlights >> on, heater fan on, re fogger on, wipers on, the voltage can drop...
  • Temp II (for ECU) Sensor: Voltage Range?
    Historical mailing list - neil n
    Fri, 27 Sep 2013 10:49:26 -0700
    ...With a "Luxemburg" Motronic 2.9 and Vanagon WBX Digifant coolant temp (for ECU) sensor in hand, I noticed each had a different voltage...
  • Re: Charging system questions.
    Historical mailing list - Richard A Jones
    Tue, 25 Jan 2011 13:18:07 -0700
    > So is 14.02 at the alternator good? Is that voltage drop between there > and the starter battery near acceptable? Am I on the...
  • Re: Alternators
    Historical mailing list - David Beierl
    Thu, 9 Apr 2020 13:56:36 -0400
    > > - the voltage drops as electrical loads applied. in winter, headlights on, > heater fan on, re fogger on, wipers on, the voltage can drop ( as...
  • Re: High voltage havoc from coil?
    Historical mailing list - Larry Alofs
    Mon, 15 Jan 2001 14:44:53 -0600
    ...But the alternator will put out 120 volts if you > let it...I'd seriously suggest to measure the system voltage with the motor...
  • Re: Fuel gauge system test
    Historical mailing list - walkingboss
    Tue, 19 Jun 2012 15:11:56 -0500
    ...Test the voltage at the fuel sending unit. Between the sender wire and the ground wire. It should be 10.5 volts with the...
  • Re: alternator output voltage?
    Historical mailing list - JM/CO
    Wed, 15 Oct 2003 18:06:17 -0400
    ...alternator output voltage? > what should the voltage coming off the alterator be? Is is legitimate to > measure this at the alternator or should i...
  • Re: O2-sensor voltage problems '84 1.9L -- Help needed lead voltages!
    Historical mailing list - Dennis Haynes
    Tue, 23 Aug 2011 23:26:32 -0400
    The O2 sensor is a bit unique in that it actually produces voltage-current. Most other sensors change resistance, capacitance, or inductance based on...
  • O2 sensor function
    Historical mailing list - Jfp w/2 WBXs
    Wed, 27 Nov 2002 01:51:22 +0000
    ...The O2 sensor is a Galvanic voltage generator producing a low voltage(~0.2V)when lean and a high voltage(~0.8V) when rich...
  • Re: Voltage from alternator
    Historical mailing list - Todd Last
    Thu, 12 Apr 2007 00:24:18 +0000
    BOSCH alternators are known for their low output voltage due to how their internal regulators are set at the factory. One fix is to...
  • Re: Why do JC Whitney Battery isolators have this VW caveat
    Historical mailing list - Al Knoll
    Tue, 3 Feb 2004 19:40:34 -0800
    The voltage drop across the diode is on the order of 0.7vdc. If the alternator is measuring at the alternator rather than the...
  • Re: Cigarette lighter Outlet voltage
    Historical mailing list - Scott Daniel
    Wed, 6 Nov 2013 21:35:12 -0800
    ...What is your charging voltage at your battery ? Check it at various places.. you'll find voltage drop the further you get from the...
  • How to modify Bosch regulator for remote sensing.
    Historical mailing list - David Beierl
    Sat, 12 Jun 2010 14:15:24 -0400
    This illustrates how to modify a Bosch regulator so that you can take the sensing voltage direct from the battery instead of from inside...
  • Re: Original Battery Wire Gauge
    Historical mailing list - mdrillock
    Tue, 16 Dec 2008 15:09:01 -0800
    ...but even with 4/0 AWG the voltage the results are: > 1. voltage drop 1.159 > 2. voltage at load end of circuit is...
  • Voltage from alternator
    Historical mailing list - Greg Marshall
    Wed, 11 Apr 2007 03:51:03 -0400
    ...First, what kind of voltage output should an alternator be putting out? I read 13.5 on mine, which seems low to me. Second...
  • Re: How to modify Bosch regulator for remote sensing.
    Historical mailing list - mark drillock
    Sat, 12 Jun 2010 12:57:19 -0700
    One question I have is how high can the regulator be fooled into driving the output voltage of the alternator at the alternator? If...
  • Re: Voltage Stabilizer Blows
    Historical mailing list - Darrell Boehler
    Sun, 8 Mar 1998 14:31:06 -0600
    -------------- Hi George, You can use a variable voltage regulator. I use a the LM317T from radio shack for many applications. The radio shack part...
  • fridge relay actuator circuit:
    Historical mailing list - Bill Davidson
    Sat, 24 Jun 2000 19:27:22 -0700
    ...the voltage dropped to 12.6 during start up. Engine running.... the voltage went up to 14 volts. A Bosch 75 amp relay is...
  • Re: alternator output question
    Historical mailing list - Alistair Bell
    Thu, 3 Feb 2011 11:17:21 -0800
    check voltage at alternator and compare readings. You may have bad connections or bad wire from alt to battery. Usual drill, clean connections etc...
  • Re: High beams not working-lighting upgrades!
    Historical mailing list - Stuart Fedak VE3SMF
    Sun, 17 Nov 2013 19:29:39 -0800
    ...Over-voltage operation is not generally recommended. With a reduced voltage the evaporation is lower and there may be too much halogen, which can...
  • <No subject>
    Historical mailing list
    7/28/96 3:41 PM
    ...Therefore to be accurate you must subtract the voltage drop across the LED at the desired current draw from either of the supply voltage...
  • Re: 1982 Westy air cooled fuel injection cold start valve voltage
    Historical mailing list - Dennis Haynes
    Sat, 7 Nov 2009 01:39:14 -0500
    Battery voltage! Controlled by contact on starter solenoid and the "thermal time switch". Very simple circuit but polarity of the two wires on the...
  • Re: Why do JC Whitney Battery isolators have this VW caveat?
    Historical mailing list - Steve Delanty
    Tue, 3 Feb 2004 07:42:23 -0800
    ...These diodes have a voltage drop across them of roughly 0.6 volts, so the batteries charge at a voltage 0.6 volts lower...
  • Re: AFM Voltage Ratios
    Historical mailing list - jon
    Sat, 4 Nov 2006 10:40:04 -0800
    ...You're right, there must be SOME > concrete relationship between manifold pressure and AFM output voltage, but > no one seems to know what it...
  • Re: Voltage Question
    Historical mailing list - Dennis Haynes
    Sat, 5 Mar 2016 11:01:37 -0500
    ...With no load the voltage may not be regulated to the set point. Your cheap meter may just be seeing and displaying peak voltages...
  • Re: 130Amp alternator upgrade?
    Historical mailing list - Alistair Bell
    Wed, 27 Jun 2001 23:47:01 -0700
    ...What you want is for the alternator to recharge the battery more quickly when the engine is on, fiddling with an adjustable voltage regulator...
  • Re: Voltage Stabilizer in Instrument Cluster
    Historical mailing list - David Beierl
    Wed, 8 Dec 2010 14:09:10 -0500
    At 12:49 PM 12/8/2010, Anthony Egeln wrote: > The upshot was that the voltage stabilizer should be replaceable > with any matching 10...
  • Re: Low Alternator Voltage
    Historical mailing list - d t
    Sat, 2 Sep 2000 22:58:18 MDT
    ...The alternator regulator is more like a voltage sensitive current controller (controlling the alternator output current, not voltage. The battery regulates that), while a...
  • Re: Fwd: RE: "Green" solar battery charger
    Historical mailing list - Daniel L. Katz
    Mon, 17 Nov 2003 01:08:28 -0500
    ...double the voltage and the current doubles; halve the voltage and the current drops to half; reverse the voltage and the current changes sign...
  • Re: Vanagon alternator too weak for Optimas.
    Historical mailing list - Tim Demarest
    Mon, 21 Jul 2003 16:24:26 -0400
    ...As long as the charging voltage is greater than the battery voltage (the battery is *always* putting out 12 volts), then some current will...
  • Re: Update, My vanagon won't start
    Historical mailing list
    Sun, 8 Oct 2000 23:20:38 -0400
    ...I would imagine that if the voltage at the battery is 10.0 volts, the voltage available to the digifant system (and ignition coil...
  • Re: Voltage Question
    Historical mailing list - Larry Alofs
    Fri, 4 Mar 2016 16:45:31 -0500
    ...Was the fan connected to the power supply when you measured its voltage? The open circuit voltage of a power supply is usually considerably...
  • Re: Temp II (for ECU) Sensor: Voltage Range?
    Historical mailing list - Dennis Haynes
    Sat, 28 Sep 2013 09:15:45 -0400
    ...As the sensor warms up the resistance goes down, current increases and voltage drops. Even the gauges operate at some voltage below battery. This...
  • Re: Frig on 12v
    Historical mailing list - Michael Elliott
    Mon, 18 Jul 2005 14:14:42 -0700
    ...You must begin by > actually measuring the voltage with the engine running, at the fridge > wiring connector and comparing this to the voltage at...
  • Re: Low voltage
    Historical mailing list - Steve Delanty
    Thu, 15 Jul 2004 16:53:59 -0700
    ...To make the problem worse, it measures the voltage right at the alternator instead of at the battery, so voltage drop across the wire...
  • Cigarette lighter Outlet voltage
    Historical mailing list - Andre Fiedler
    Wed, 6 Nov 2013 22:11:35 -0700
    ...Compared to my other more modern vehicle (2012 Ford Edge with 14.2 volt reading) this seems rather low voltage. I am curious if...
  • Re: Alternators
    Historical mailing list - Alistair Bell
    Thu, 9 Apr 2020 10:59:37 -0700
    ...in winter, headlights on, heater fan on, re fogger on, wipers on, the voltage can drop ( as measured on fuse panel) to the high...
  • <No subject>
    Historical mailing list - d t
    Sat, 2 Sep 2000 22:00:30 MDT
    ...The alternator regulator is more like a voltage sensitive current controller (controlling the alternator output current, not voltage. The battery regulates that), while a...
  • Re: Why do JC Whitney Battery isolators have this VW caveat?
    Historical mailing list - Jeff Strickrott
    Tue, 3 Feb 2004 16:34:30 -0500
    ...These diodes have a voltage drop across them of roughly > 0.6 volts, so the batteries charge at a voltage 0.6 volts lower...
  • Re: dim lights when revved
    Historical mailing list - J. Walker
    Sun, 30 Oct 94 23:31:59 CST
    ...or maybe an over- voltage? maybe the setup is putting out too much voltage for the little voltage regulator on the printed circuit foil...
  • Re: Solar panel wrap-up
    Historical mailing list - Larry Alofs
    Fri, 3 Jan 2003 14:26:42 -0600
    The 0.1 volt reading is meaningful as a voltage measurement. When you set your DVM to an ohms range the meter uses its...
  • Re: 1.5 Volt only at clock
    Historical mailing list - neil n
    Wed, 31 Aug 2011 13:59:20 -0700
    ...My analogue clock is supplied by B+ (no voltage regulator involved) so voltage at clock should be the same or close to voltage at...
  • Re: Low Alternator Voltage
    Historical mailing list - Mark Dorm
    Fri, 1 Sep 2000 20:00:44 PDT
    ...This is said to cure the >low-voltage output of the BOSCH alternator. > >I've noticed a few posts on the low voltage of...
  • Re: Low voltage
    Historical mailing list - mark drillock
    Thu, 15 Jul 2004 13:00:14 -0700
    Where are you measuring the low voltage at? The voltage regulator only trys to maintain full voltage at the alternator, where it connects. It...
  • Re: Auxilliary batteries
    Historical mailing list - Al Knoll
    Tue, 15 Mar 2011 11:06:48 -0700
    ...I plan to use a big diode for the > voltage drop. > > Mark > > > > > David Beierl wrote: > >> At 10:04 PM 3/14/2011, Daryl Christensen...
  • Re: '86 Westy cranking trouble
    Historical mailing list - Mark Drillock
    Mon, 21 Apr 2008 09:17:29 -0700
    I should have mentioned that this is mostly for tracking down a voltage drop during the conditions where the voltage drop is present. If...
  • Re: voltage stabilizer
    Historical mailing list - Jeff and Tamara Nelson
    Wed, 2 May 2001 22:52:45 -0600
    No, the voltage regulator is not just a transistor. There's a bit more to it than that. Basically what it does is take...
  • Re: Engine Cranks but No Start
    Historical mailing list - Ed McLean
    Wed, 30 Mar 2016 20:38:07 -0400
    ...The voltage at the battery during starting was about 11 vdc. I turned off the engine and was able to restart with a voltage...
  • Re: Alternators
    Historical mailing list - Alistair Bell
    Thu, 9 Apr 2020 11:00:26 -0700
    ...in winter, headlights on, heater fan on, re fogger on, wipers on, the voltage can drop ( as measured on fuse panel) to the high...
  • air cooled alternator not charging
    Historical mailing list - Jim Morgan
    Fri, 4 Apr 2008 11:54:04 EDT
    ...I get battery voltage to the alternator (bat) on the plug but no output. I am thinking that there should also be voltage at...
  • Re: Second battery level voltages?
    Historical mailing list - David Brodbeck
    Thu, 18 Mar 2004 11:48:49 -0500
    ...wrote: > On a 85 Westy, what the specifications are for > The Alternator max voltage? > The voltage levels for the Green, Yellow, and Red LEDs...
  • Re: O2-sensor blues and more on '84 1.9L engine
    Historical mailing list - John Lauterbach
    Sun, 21 Aug 2011 20:18:58 -0400
    ...When cable is not shorted, voltage goes up a bit to about 0.25. When both halves on connector are joined, voltage is about...
  • Re: O2-sensor blues and more on '84 1.9L engine
    Historical mailing list - David Beierl
    Tue, 23 Aug 2011 10:20:25 -0400
    ...When cable is not shorted, voltage goes up a bit to about 0.25. >When both halves on connector are joined, voltage is about...