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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 6+: 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: Charging Second Battery
    Historical mailing list - harald.nancy
    Thu, 30 Oct 1997 16:14:03 -0800
    ...About the voltage drop of isolators: With the engine running, the vdo gauge I installed on my dash shows a steady 13.8 volts...
  • Re: voltage Stabilizer/Regulator - Correct Part?
    Historical mailing list - Kenneth Wilford
    Thu, 4 Dec 2003 11:04:50 -0500
    Check your output voltage at the battery. Perhaps your alternator is putting out more than 14 volts and frying your voltage stabilizers. I have...
  • Re: Woody's digitool / digijet running rich
    Historical mailing list - Darrell Boehler
    Fri, 24 Dec 1999 07:50:26 -0600
    ...However with the digitool the voltage readings are displayed with the flip of a switch. The ecu makes decisions based on the voltage it...
  • Re: New Starter Stopped Working requires the RI wizard
    Historical mailing list - Jack
    Wed, 11 Sep 2002 10:30:09 -0700
    ...Either the voltage drop is excessive or the solenoid has gone south. My gut feel is that the voltage drop is excessive but more...
  • Re: Never Under Estimate Your Ground Straps!
    Historical mailing list - John Patton
    Fri, 1 Mar 2002 22:45:36 +0000
    ...There is a simple test that can quite quickly check the engine/transmission ground path called "voltage drop". The voltage drop test will check...
  • OT Re: "Green" solar battery charger
    Historical mailing list - Ryan Press
    Mon, 17 Nov 2003 12:30:05 -0800
    ...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: LVC: Learning Electricity & Testers
    Historical mailing list - David Kao
    Mon, 6 Aug 2007 10:45:40 -0700
    ...Never use a current meter to measure voltage. It would be like shorting the two points that you are trying to measure. If you...
  • Re: Purpose of "Voltage Stabilizer" in Instrument cluster?
    Historical mailing list - mdrillock
    Sat, 5 Jul 2008 12:33:21 -0700
    ...The vehicle wiring voltage varies depending on alternator output, what loads are turned on, etc. The "voltage stabilizer" provides the temp gauge and fuel...
  • Re: O2 sensor output voltage test
    Historical mailing list
    Mon, 14 Jul 2003 08:38:07 -0400
    ----- Original Message Follows ----- > What is the correct voltage range for this thing. I've > read it should vary and also that it should have...
  • Re: Our beloved digifant
    Historical mailing list - Robert Lilley
    Tue, 18 Jul 2000 10:41:50 EDT
    ...The ECU and O2 sensor deal in micro-voltages and a splice in can createa voltage drop and affect the output reading by the...
  • Re: Aux Battery Charging Alternatives Question for the ElectricalGurus
    Historical mailing list - Dennis Haynes
    Mon, 23 Jul 2007 20:27:11 -0400
    One thing that I discovered with my Smart Relay is that the starting battery needs to be in good shape to deliver enough voltage...
  • Re: do all ACRs work like this?
    Historical mailing list - Mark McCulley
    Wed, 29 Apr 2020 16:21:09 -0700
    ...The only > problem I have experienced with them is that they have both over voltage > and under voltage lock out. If the voltage for...
  • Re: voltage stabilizer
    Historical mailing list - Joe L.
    Thu, 20 May 1999 16:59:54 -0400
    I went through some voltage stabalizer troubles some time ago. The things kept blowing on me at the rate of a about one every...
  • Re: Another Update: Only 13V from Alternator
    Historical mailing list - Rocket J Squirrel
    Sun, 1 Nov 2009 07:45:07 -0800
    On 10/31/2009 9:26 PM Steve Williams wrote: > I finally got around to installing Dave Barton's adjustable voltage > regulator in my...
  • Re: Charging system strange symptom
    Historical mailing list - Juha Koivisto
    Mon, 17 Apr 2000 08:11:26 +0300
    ...At high currents only a little resistance results high voltage drop (U=IR) to charging circuit. For example if you have 0.01 ohm...
  • Temp II voltages
    Historical mailing list - Helen Fahy
    Tue, 1 May 2001 19:25:05 -0400
    ...At idle the O2 voltage did not seem to swing up and down, but stayed predominantly about 0.6v. This is where I set...
  • Re: Door electrics problem: voltage drop
    Historical mailing list - Jim Felder
    Sun, 20 Feb 2005 10:58:46 -0600
    ...I didn't need a digital meter to see that the voltage dropped to zero. What do I look at next? Jim
  • Re: Westfalia Water Tank Level Indicator Issues
    Historical mailing list - David Beierl
    Mon, 3 Sep 2018 21:01:33 -0400
    ...I don't have a magic > box to measure the values, but they have to be such that the resulting > voltage divider with the...
  • Re: Wiring plauges my van......
    Historical mailing list - John
    Thu, 14 Oct 1999 11:28:27 -0400
    ...Unless the battery is dead, the big red alt wires will always have voltage but the voltage is coming FROM not going TO the...
  • Re: 12.2 V at rest ('85 Westy w/2.1L)
    Historical mailing list - Scott Daniel - Turbovans
    Wed, 16 Jun 2010 01:12:19 -0700
    I think that's marginal resting voltage. I had a 'whole go-around with getting good starter performance on my 85 Adventurwagon, manual trans...
  • Re: Heat in an air-cooled Syncro (long, boring, self-involved)
    Historical mailing list - David Beierl
    Thu, 18 May 2000 18:50:03 -0400
    ...Depending on what you mean by "doesn't care" -- a given element will draw more current as you increase the voltage, and the power...
  • Re: Is battery isolator better than a relay?
    Historical mailing list - Steve Lashley
    Wed, 3 Nov 1999 13:21:05 EST
    ...Connecting the relay through the voltage regulator, will allow you to only charge your spare battery when there is a voltage present, (engine running...
  • Re: How to check if the Alternator is damaged or broken
    Historical mailing list - Daniel L. Katz
    Sun, 15 Jan 2006 22:18:35 -0500
    ...there are inexpensive led voltage monitors that plug into the cigarette lighter - handy to keep an eye on the voltage while driving without intalling...
  • Re: Recommendations for Aux battery hardware
    Historical mailing list - Karl Mullendore
    Sat, 10 Oct 2015 01:05:42 -0400
    ...You'll need to plan on an adjustable voltage regulator from davebarton.com also if you want the battery to receive the proper voltage...
  • Re: Normal Voltage readings for 2nd battery?
    Historical mailing list - john gebhardt
    Mon, 21 Nov 2005 10:58:29 -0800
    ...Use of accessories will drop voltage - so that with both heater fans, headlights, stereo, etc - it may be 12.9 or 13.0V. When...
  • Re: temp gauge not working right...
    Historical mailing list - David Beierl
    Sun, 12 Aug 2018 21:31:09 -0400
    ...ground.** > Oops, forgot my asterisks there. **Connection to any constant voltage between battery voltage and ground with about 150kΩ or less resistance will keep...
  • Alternator rebuild
    Historical mailing list - T Collins
    Mon, 1 Dec 2014 09:50:17 -0500
    ...Drop in voltage at times, squealing sound like a belt struggling. voltage regulator brushes look good. Is this as simple (or not) as replacing...
  • Cold start problem '87 Syncro - repaired
    Historical mailing list - John Neumeier
    Mon, 10 Jan 2005 09:02:49 -0700
    ...Checked voltage between pin 15 and ground with ignition on; the voltage was stable after the cleaning. Checked voltage between pin 1 and 15...
  • Re: Electrical Experts. Motronic Hall Reference Voltage?
    Historical mailing list - Neil N
    Fri, 21 Feb 2014 12:26:51 -0800
    For most model years, the reference voltage + wire from ECU to distributor hall, also connects to the TPS (throttle position sensor). The TPS should...
  • Re: Low voltage
    Historical mailing list - Joseph Fortino
    Thu, 15 Jul 2004 09:48:38 -0700
    ...Low voltage Here in SoCal during the summer, it's often a long, hot drive from LA to Bishop up Hwy 395. North of...
  • Re: Engine stutters, tach nosedives. Then, just as suddenly, it's,normal again.
    Historical mailing list - David Beierl
    Mon, 2 Mar 2009 13:22:10 -0500
    ...One thing that may help -- in digital electronics, a logic level is a voltage. A voltage near the supply voltage means yes, or one...
  • Re: charge rate at main & aux batt
    Historical mailing list - Jaap Nauta
    Tue, 28 Mar 2006 08:46:56 +0200
    ...Every battery has a specified charge > voltage, adjusted for temperature. If you charge with a smaller > voltage, the battery will not fully charge. Larger...
  • Re: Weird Tiico starting problem -- please Help!
    Historical mailing list - Daniel L. Katz
    Sat, 13 Nov 2004 04:44:48 -0500
    ...a good test is to check voltage across the >battery terminals themselves before cranking, and then while cranking. >voltage should drop somehat, maybe from...
  • Re: Vanagon alternator too weak for Optimas.
    Historical mailing list - mark drillock
    Thu, 24 Jul 2003 07:49:04 -0700
    ...When we measured the voltage at the aux battery with the engine running it was under 13 volts. When the fridge was turned to...
  • Van turns but won't fire
    Historical mailing list - Gerry Rafferty
    Thu, 5 Sep 2002 21:05:16 -0700
    Started out replacing voltage regulator (back of alternator) due to dim "oxy""alt" lights.Could crank the engine over but it would not fire...
  • Re: Bus Depot OXS Dilemma; Where Is the Truth?
    Historical mailing list - Jeff Ensing
    Sun, 27 Apr 2003 00:45:26 EDT
    The veracity lies in the reference voltage, or the ability of the zirconium dioxide and the platinum to react with oxygen. The better the...
  • Re: Temp II voltages
    Historical mailing list - Mike Finkbiner
    Tue, 1 May 2001 00:14:30 -0000
    ...Temp II voltages I made an ersatz version of Darrell Boehler's Digitool. <SNIP> The archives have listed 2 different acceptable ranges for the...
  • Re: Battery/Charging system questions.. A lot of info included..
    Historical mailing list - David Beierl
    Tue, 16 Jun 2009 18:16:17 -0400
    ...The voltage you're seeing across the big relay terminals is the difference in voltage between the two batteries. > Did you check the alternator...
  • Re: O2-sensor blues and more on '84 1.9L engine
    Historical mailing list - Dennis Haynes
    Sun, 14 Aug 2011 22:29:18 -0400
    ...You can use the voltmeter to confirm this as the O2 sensor voltage should go up. You want to see ~.8 to 1.0...
  • Re: Battery Under Back Seat
    Historical mailing list - David Beierl
    Mon, 3 Apr 2000 20:26:15 -0400
    ...has >the lowest voltage). Is this not the case? Pretty close. Since the batteries are connected in parallel they will always have very nearly...
  • Re: Alternator output
    Historical mailing list - Dennis Haynes
    Sun, 18 Jul 2010 11:45:18 -0400
    Yes, alternators generate current, (flow), but the voltage, (pressure), is regulated. The alternator should be able to maintain the voltage until the current capability...
  • Re: 2nd batt. charging and relays. The whole truth
    Historical mailing list - Frank Grunthaner
    Thu, 15 Jun 2000 19:19:52 EDT
    ...For 15 amps drawn through a 0.5 ohm resistor, the voltage drop would be 7.5 volts. The voltage applied to the dead...
  • Re: Is something killing my starters?
    Historical mailing list - Steve Williams
    Wed, 29 Jun 2016 08:29:19 -0600
    ...If there is corrosion or deterioriation of the wiring, there will be a bigger voltage drop over the length of the cable. Voltage drop...
  • Re: do all ACRs work like this?
    Historical mailing list - vw_van_fan_Mark
    Wed, 29 Apr 2020 16:51:44 -0700
    The main reason the ACR needs to stay connected after the sensed voltage has slightly dropped is because when it senses a charging voltage...
  • Re: Electrical checks
    Historical mailing list - Jack
    Tue, 17 Sep 2002 18:37:13 -0700
    ...How much voltage depends on the meter settings & meter design. If you're curious, you can measure this voltage with a 2nd meter. However...
  • Re: Headlights and grounds
    Historical mailing list - Pensioner
    Mon, 14 Feb 2005 11:27:06 -0800
    ...The amount of current (amperes) depends on the battery voltage and the sum of all the voltage drops from battery positive back to battery...
  • Re: ARRRGGGHHH Re: Tantalum capacitors to stop blinking temp LED
    Historical mailing list - David Beierl
    Tue, 29 Sep 2009 12:03:12 -0400
    ...It's the same as a resistor, and >if the capacitor is being charged through another resistor until it >reaches the shutoff trigger voltage...
  • Re: no start -(
    Historical mailing list - Harvey Chao
    11 Dec 1995 11:03:53 -0800
    ...The >voltage at the battery terminals with the engine running is around 14 >volts. ==================== A good rough check of the alternator/regulator is with...
  • Re: Is battery isolator better than a relay?
    Historical mailing list - Mark McCulley
    Wed, 3 Nov 1999 10:00:38 PST
    ...So the regulator sense voltage will be the alternator voltage minus 0.7 (or whatever the forward voltage drop across the diode is). SurePower...
  • Re: Arduino and Vanagons
    Historical mailing list - Brett Ne
    Wed, 13 Nov 2013 07:30:35 -0800
    ...what's the duty cycle? how high are the voltage spikes? are there any negative voltage spikes? Microcontrollers do not like going above 5...
  • Re: 6/8 Temp Reading
    Historical mailing list - robert shawn feller
    Sun, 23 Jul 2006 00:48:46 -0400
    thanks Jon, but I did mention in my original post that the voltage stablizer (Bentley) was within spec. Shawn On 7/23/06, Jon...
  • No spark -- Ignition Control Unit?
    Historical mailing list - Geza Polony
    Wed, 9 May 2007 10:34:17 -0400
    ...Also there's no voltage drop when grounding out the middle terminal to the Hall sender (it stays near battery voltage.) And the voltage...
  • Re: Fuel gauge system test
    Historical mailing list - Mike S
    Tue, 19 Jun 2012 17:09:58 -0400
    On 6/19/2012 4:11 PM, walkingboss wrote: > Test the voltage at the fuel sending unit. Between the sender wire and the > ground...
  • Re: Voltage from alternator
    Historical mailing list - Kenneth Lewis
    Wed, 11 Apr 2007 16:45:38 -0400
    Greg, You very well may have a bad alternator causing both problems i.e.low voltage and constant current drain. Most FLAPS should be...
  • Re: 12.2 V at rest ('85 Westy w/2.1L)
    Historical mailing list - Scott Daniel - Turbovans
    Wed, 16 Jun 2010 14:18:01 -0700
    ...Monitoring this voltage while driving > will show whether the battery is getting sufficiently high voltage to > put a charge into it. Dennis Hayes wrote...
  • Re: higher power low beams
    Historical mailing list - Anthony L. Mourkas
    Thu, 9 Dec 1999 22:14:30 -0500
    ...The new wiring harness for the SA lights showed a voltage drop of .11 volts vs. a voltage drop of .42 - .75 volts for...
  • Re: Frig on 12v
    Historical mailing list - mark drillock
    Mon, 18 Jul 2005 13:12:38 -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: Inverter/Aux Battery question
    Historical mailing list - David Beierl
    Sat, 30 Jul 2011 12:34:55 -0400
    At 12:16 PM 7/30/2011, Daniel Rotblatt wrote: >When the inverter is connected and no load, the voltage drops >immediately down to...
  • Re: Mystery part - what is this thing?
    Historical mailing list - Loren A. Busch
    Mon, 22 Sep 2003 20:53:56 -0700
    ...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: [WetWesties] alternator output voltage?
    Historical mailing list - Matthew
    Wed, 15 Oct 2003 14:01:14 -0700
    I just measured my voltage at the alternator- I get 14.36 volts. it remains constant when i rev it. I'll put in...