Search messages and discussions

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 Diodes.

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

• Re: Alternator & O2 lights on
  Historical mailing list - Dan Beatty
  Sat, 9 Dec 1995 06:32:28 -0600 (CST)
  ...Bosch alternators typically contain three exciter diodes that provide field current during operation. But because of the very small amount of residual magnetism these...
• Re: Update on Alternator Light Problem
  Historical mailing list - Bill Knight
  Wed, 21 Mar 2001 11:06:29 -0500
  ...The owner of the place said it was either diodes or the stator. I'll find out tomorrow..... Ric
• Re: High beam blue light?
  Historical mailing list - Scott Daniel - Turbovans
  Wed, 11 Mar 2009 17:40:28 -0700
  ...a 'bulb' after all, unless we want to consider light emitting >>diodes as some form of bulb. > > Actually that one's an incandescent bulb...
• RE: Westy auxiliary battery setup
  Historical mailing list
  Tue, 07 Feb 95 08:58:00 MST
  Hello, Whether X-switches (relays) or isolators (diodes) are used, the problem remains the same. The alternator's voltage capability is high enough not...
• Re: A twist on dual-battery configurations
  Historical mailing list - David Beierl
  Thu, 20 Dec 2001 16:32:40 -0500
  ...The cathodes of these >diodes will be connected to a terminal serving as the alternator's second >output - to be connected to the auxiliary...
• battery isolator
  Historical mailing list - patrick
  Fri, 7 May 2004 16:10:02 -0500
  ...I also have several bosch 75 amp and 30 anmp relays, a solenoid, a cuople heavy duty diodes. Are any of these usable for...
• Battery light on...
  Historical mailing list - Spooner, Robert E.
  Mon, 4 Aug 2003 06:50:05 -0500
  ...I be satisfied with? Is there any other components back there (diodes, etc) that could also fail, making the battery light come on? If...
• Re: "Bird Nest" Air Filter
  Historical mailing list
  Wed, 12 Oct 94 17:07:17 bst
  ...On later models these were replaced with a computerised tangle of wires and diodes. It doesn't do a significantly better job of bunging...
• Alternator output wiring
  Historical mailing list - Stanley Pitman
  Sun, 18 Jun 2000 10:02:38 -0700
  ...No battery current flows back into the alternator because it has rectifying diodes inside. Their main purpose is changing the alternator's generated AC...
• Re: High beam blue light?
  Historical mailing list - Edward Duntz
  Wed, 11 Mar 2009 19:50:49 -0500
  ...a 'bulb' after all, unless we want to consider light emitting > diodes as some form of bulb. > > 'hi beam bulb' ........to me that can...
• Re: your opinion please - part 2
  Historical mailing list - Pete Cassidy
  Mon, 7 Jun 1999 14:28:22 -0700
  ...wire it into the brake sense circuit (with one or two diodes) on the cruise ECU. Just a thought .... Pete C -- Peter Cassidy, pcassidy...
• Re: testing capacity of house battery
  Historical mailing list - Brett Ne
  Wed, 3 Aug 2016 18:52:56 -0700
  ...fancy voltage boosting circuitry in it; just basically some heavily heatsinked diodes for the isolation and a feedback signal to the alternator to boost...
• Re: Aux Battery Charging Alternatives Question for the Electrical Gurus
  Historical mailing list - Dennis Haynes
  Thu, 19 Jul 2007 08:22:31 -0400
  ...Otherwise you run the danger of >discharging both batteries. > I would not use steering diodes due to the loss of precious electrons. > When in...
• Re: How to check alternator output?
  Historical mailing list - Ken Hunter
  Fri, 11 Feb 2000 17:11:14 EST
  ...But since your idiot light is on suspect brushes or diodes. If you have the time or another vehicle it's cheaper to look...
• Just as I pulled in the driveway, the Alternator light came on....
  Historical mailing list - Richard Golen
  Wed, 23 Aug 2000 20:11:56 -0400
  ...bad diodes d. nothing that a piece of black tape over the alternator light can't fix. Thanks in advance... Ric
• Re: Another nice trip with NO vanagon syndrome
  Historical mailing list - Steve Delanty
  Tue, 15 Apr 2003 22:06:25 -0700
  ...The small one for the idiot light is isolated from the big one by diodes, so yes it has power on it with engine...
• Re: Is battery isolator better than a relay?
  Historical mailing list - Mark McCulley
  Wed, 3 Nov 1999 10:00:38 PST
  ...This is only a reference point for the regulator to look downstream of the diodes so that the batteries will get the 13.8...
• Idle Control Valve '87 Westy
  Historical mailing list - John W. Parkins
  Mon, 9 Apr 2001 12:41:14 -0400
  ...Replaced burned out transistor and a couple of diodes on the idle controller circuit board. Now idle speed seems right, but... Bentley says the...
• Re: charging woes/charging joy
  Historical mailing list - Steve Delanty
  Sat, 1 Mar 2003 22:39:22 -0800
  ...so you just never get >new parts other than bearings, regulators or diodes. >A local rebuilder operates the same way but will take the...
• Re: Low-voltage alarm
  Historical mailing list - Matt Roberds
  Tue, 19 Jun 2007 04:30:15 -0500
  ...You could use a couple of 1N4001 diodes in series with the coil to raise the drop out voltage, and use the contacts to...
• Re: Auxiliary Heater Control problem. Name that diode!
  Historical mailing list - Leslie Schwartz
  Sat, 6 Oct 2007 14:31:23 -0500
  ...Most diodes are given the code: 1N-something ONE - N - some number. This one could be 1N400, or 1N1400 ??? I can not see the...
• Re: battery draining
  Historical mailing list - Ken Hunter
  Thu, 24 Aug 2000 12:51:22 EDT
  ...Finally took it to an alternator/starter shop and they found a bad diode. $45 later I had new diodes and brushes and it...
• Re: alternators-Bosch or otherwise?
  Historical mailing list - Jack Reed
  Wed, 20 Mar 1996 11:45:41 -0600 (MDT)
  ...Obviously the diodes are going and while I could get another diode pack and put it in, I'll probably opt to buy a...
• Re: Alternate to blocking diode
  Historical mailing list
  Tue, 5 Nov 1996 06:50:21 PST
  ...i plug in >the van, >the battery warms and charges. > >then i thought "i wonder how much leakage the charger diodes have" as >they...
• rear lights '81
  Historical mailing list - bill
  Sat, 15 Mar 1997 19:07:22 -0700
  ...Has anybody made one? Seems like diodes could work. If not, where can I get one? Thanks, Bill ---------------------------------------------------------- Remember, it ain't what you...
• Re: Help installtion Aux.battery 1985 westy
  Historical mailing list
  Mon, 10 Jun 1996 12:02:39 -0700
  SyncroHead@aol.com wrote in reference to the solid state coach battery blocks: "They have an inherent voltage drop across their internal diodes that...
• Re: The alternator issue
  Historical mailing list - David Beierl
  Sun, 18 Apr 2010 18:16:22 -0400
  At 11:39 AM 4/18/2010, Janne Ruohom�ki wrote: >Isn't this something what the diodes installed in parallel with the >relay...
• Re: Alternator out at *high* rpms?
  Historical mailing list - Joel Walker
  Mon, 8 Dec 1997 08:35:39 CST
  ...and i THINK i've screwed up one of the little diodes in the voltage regulator on the alternator. it's still charging and...
• Re: A twist on dual-battery configurations
  Historical mailing list - David Beierl
  Thu, 20 Dec 2001 19:56:47 -0500
  ...If you have the same >current, but a higher voltage (caused by pushing through the extra diodes) >the alternator does have to work harder...
• Re: Why do JC Whitney Battery isolators have this VW caveat?
  Historical mailing list - Steve Delanty
  Tue, 3 Feb 2004 07:42:23 -0800
  ...Battery isolators typically contain 2 large diodes to isolate the batteries. These diodes have a voltage drop across them of roughly 0.6 volts...
• Re: Electrical Drain
  Historical mailing list - Justin B. Jensen
  Tue, 9 Jan 2001 20:10:18 -0700
  ...This should isolate all circuits except the B+ (alternator output) which could cause the draw if one or more of the rectifier diodes are...
• Re: Update on Alternator Light Problem
  Historical mailing list - Richard Golen
  Wed, 21 Mar 2001 12:02:22 -0800
  ...The owner of the >place said it was either diodes or the stator. > >I'll find out tomorrow..... > >Ric
• Re: "yellow" moonlight battery uncharger
  Historical mailing list - Joel Walker
  Fri, 14 Nov 2003 16:11:49 -0600
  > Diodes and other active components have qualities beyond resistance (and > capacitance and inductance). Ohm's Law doesn't address such things -- but > they do...
• Re: Battery isolator
  Historical mailing list - The Bus Depot
  Wed, 12 Dec 2001 07:15:05 -0500
  ...The use of a relay for this purpose, as opposed to an isolator, eliminates the intrinsic voltage drop caused by the diodes in an...
• Re: Battery/OXS LED
  Historical mailing list - mark drillock
  Fri, 26 Sep 2003 06:46:25 -0700
  ...Has anyone seen this type of symptom? Is it an indication of the alternator diodes being weak? > > William
• LED Reading Light
  Historical mailing list - Harvey Chao
  30 Jul 1996 09:50:54 -0700
  ...define the conditions you want at the diode *Yes, for ideal diodes. What can I say, it was an undergraduate class and we all...
• Aux. Battery
  Historical mailing list - Neal R. Hansen
  Mon, 4 Mar 2002 08:46:11 -0700
  ...I built an "Isolator" by mounting two 50 Amp Stud Mount Diodes on a heat sink (Yeah! full wave is overkill). Also on this...
• 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: Solar panel wrap-up
  Historical mailing list - Ben McCafferty
  Fri, 3 Jan 2003 11:00:33 -0700
  ...ohm-meter on a panel this morning, and the >>> responses regarding diodes seem to be dead on. The resistance one direction >>> was about 19...
• Re: was fav 12 V acc, now 2nd battery relay system
  Historical mailing list - David Etter
  Wed, 21 Feb 2007 21:26:46 -0700
  ...David ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >High current diodes are great, in theory, and will keep current flowing in the >correct direction. But they have a problem when it...
• Re: [vanagon] need tech info for tach cluster circuit board
  Historical mailing list - David Beierl
  Thu, 14 Oct 1999 04:53:46 -0400
  ...Above that voltage (roughly half a volt for silicon diodes) they tend to act like a dead short. LEDs are special diodes which have...
• Re: Fwd: Greek Single Cab + alternator help... FIXED
  Historical mailing list - Shawn Wright
  Tue, 12 Jul 2011 19:18:28 -0700
  ...All the resistors and diodes check >> out, so I'm back to checking the wiring from panel to alternator. Thanks >> > > Bentley schematics show one...
• Auxiliary Heater Control problem. Name that diode!
  Historical mailing list - Neil
  Sat, 6 Oct 2007 11:49:59 -0700
  ...I've known diodes to act as fuses at times, so I'm hoping that's what happened? An odd spike? Can anyone help...
• Aftermarket Electronic Ignition
  Historical mailing list - Dave Kautz
  Thu, 4 May 95 10:41:03 PDT
  ...Some manufactuers use a magnetic based triggering while others use light emitting and sensing diodes. I know some of the list members have considerable...
• Re: Resistor and diode values for 88+ vanagon instrument cluster
  Historical mailing list - David Beierl
  Sun, 15 Dec 2013 16:20:12 -0500
  ...The diodes are marked in your photo - check the specs on the web. If the one with the 1N marking is a 1N4001-1N4007...
• VW battery => 61 AH, 330 A, #000 915 105 CE
  Historical mailing list - M'obeechi
  Wed, 4 Jun 2008 15:44:31 -0700
  ...Bluesea) so if someone inadvertently turns the selector to "Off" the diodes on the alternator wont be ruined from the increase in voltage. Does...
• Re: water cooled alternators
  Historical mailing list - Scott Daniel - Turbovans
  Fri, 30 Apr 2010 10:44:33 -0700
  ...hose >>nipples on the back of the alternator) to keep the diodes cool on >>the newer model 4.6L Northstar V8s. > > http://www.hap...
• alternator transplant successful
  Historical mailing list - Linda J. Bartnik
  04 Mar 96 14:40:04 EST
  ...Guy who rebuilt it said that all the diodes had been blown out from my dad putting the battery in backwards. Anyway, we got...
• Re: Alternator Deal.
  Historical mailing list - Doktor Tim
  Mon, 28 Jul 2003 14:58:54 -0700
  ...NAPA too. >This is what is replaced in this alternator. >bushings, diodes, brushes . >The windings are inspected and tested. > Is not just cleaned and...
• Charge light and O2 sensor light malfunction 87 Westy
  Historical mailing list - gary hradek
  Thu, 27 May 2004 08:09:26 -0700
  ...The relay (including it's inbuilt diode), = both the diodes on the instrument panel, no problems found. = Incidentally, if I disconnect the O2 sensor...
• Re: Aux Battery Charging Alternatives Question for the Electrical Gurus
  Historical mailing list - Billy Hirt
  Thu, 19 Jul 2007 11:42:30 -0400
  ...Otherwise you run the danger of > >discharging both batteries. > > I would not use steering diodes due to the loss of precious > electrons. > > When in...
• Re: Battery question
  Historical mailing list - The Bus Depot
  Tue, 16 Jul 2019 07:49:57 -0400
  ...If the diodes in an isolator fail, it will typically fail in the "closed" position, joining the two batteries even while the key is...
• Re: 84 westphalia
  Historical mailing list - STEVEN G WACKER
  Mon, 30 Mar 1998 12:04:11 -0800
  ...If this is the problem, it can be repaired if you find someone to identify the bad parts (diodes, resisters, capacitors) and replace them...
• F.Y.I. - regulating chargin
  Historical mailing list - Harvey Chao
  24 May 1996 09:57:25 -0700
  ...When the current goes beyound rated value, and the resistance of the windings and diodes are fixed, there is increased heat generated in those...
• Re: How to check alternator output?
  Historical mailing list - Per Lindgren
  Sat, 12 Feb 2000 02:04:23 +0100
  ...But since your idiot light is on suspect brushes or diodes. If > you have the time or another vehicle it's cheaper to look...
• Re: High beam blue light?
  Historical mailing list - Scott Daniel - Turbovans
  Wed, 11 Mar 2009 16:15:36 -0700
  ...It's barely a 'bulb' after all, unless we want to consider light emitting diodes as some form of bulb. 'hi beam bulb' ........to...
• Re: Aux battery function, how?
  Historical mailing list - David Beierl
  Mon, 10 May 1999 13:00:47 -0400
  ...A battery isolator is a pair of large diodes connected so that the center (charging) terminal can supply either or both connected batteries, but...
• Re: Subject: light emitting diodes
  Historical mailing list - Andrew Grebneff
  Fri, 23 Jan 2004 23:34:36 +1300
  > > >incidently, led brake lights turn on about 0.2 s faster than >the standard >> >1157 bulb, which theoretically translates into about 18 ft >greater...
• Re: Battery isolator
  Historical mailing list - Dennis Haynes
  Tue, 11 Dec 2001 23:15:09 -0500
  ...All power diodes drop over 1.0 volt when cool. As they > heat up, the drop increases. The vw senses and control the alternator...
• Solar panel wrap-up
  Historical mailing list - Ben McCafferty
  Fri, 3 Jan 2003 08:48:36 -0700
  ...As an aside, I did put an ohm-meter on a panel this morning, and the responses regarding diodes seem to be dead on...