

| Subject: | Re: Weird little electrical problem |
| From: | Jim. Felder |
| Date: | Mon, 26 Apr 2021 08:27:04 -0500 |
Have no idea exactly where the errant currant came from or exactly where and how it went. I would love to find out. But in answer to the second part, yes, my 37 year old diesel powered bus has all the modern upgrades : ) I am driving it almost daily, and none of this bed stuff is happening. > > On Apr 25, 2021 at 10:22 PM, <Neil (mailto:musomuso@gmail.com)> wrote: > > > > Cool. And yes, good point on water in fuel. > > I know you're a very experienced Vanagon owner so assumed coolant > level was fine but I've had the coolant low light come on while > coasting down a long long steep hill. But in my case, as a less > experienced owner-operator, in fact, the coolant was low. > > ;^) > > Just a WAG though but do you think power fed back through the cluster? > > Has your van been upgraded to the later style coolant low module? > > Neil. > > On 4/25/21, Jim. Felder <jim.felder@gmail.com> wrote: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Neil, you may be on to a something. But a few comments: > > > > > > > > > > > > > > > >> > >> On Apr 25, 2021 at 2:39 PM, <Neil (mailto:musomuso@gmail.com)> wrote: > >> > >> > >> > >> Assuming water in fuel or slightly low coolant level weren't at > >> fault..... > >> > >> > >> > >> I can’t say about the water in the fuel—though it would still be in > >> there, and the symptom hasn’t occurred since that night—but the coolant > >> level was and is tip top. > >> > >> Fault in 15 circuit (e.g. ignition switch) caused fuel cut off > >> solenoid to close which in turn caused a subtle electrical design > >> difference in the Vanagon.org foil to make the coolant light flicker? > >> > >> > >> > >> > >> > >> > >> > >> > >> > >> > >> I suspect this is likely the issue. > >> > >> > >> > >> Here is where I think you have tied things together. > >> > >> > >> > >> > >> > >> > >> Jim > >> > >> > >> After 4 hours driving, excess water in engine bay would likely have > >> evaporated off but..... > >> > >> Water fouled connections at sensor that connects to glow plug relay > >> which in turn caused issue in 15 circuit to fuel cut off solenoid? (15 > >> connects to solenoid via pin at glow plug relay) > >> > >> > >> > >> > >> > >> > >> > >> > >> > >> > >> > >> Arm chair theorist, > >> > >> Neil. > >> > >> On 4/24/21, Jim. Felder <jim.felder@gmail.com> wrote: > >> > I went on a week long birding/photography trip about a thousand miles > >> > long. > >> > Except for the first two days it rained pretty much all the time on the > >> > gulf > >> > coast. I got flooded out of a campsite and drove down dozens of flooded > >> > > >> > streets. Nothing happened then but on the way home, after about four > >> > hours > >> > of driving, the temp light flickered on and off at times, usually 5 or > >> > ten > >> > minutes apart. The gauge showed normal the whole time. I stopped to > >> > make > >> > sure everything was normal under the hatch. Twice the engine stumbled > >> > while > >> > the red light was on but quickly recovered. > >> > > >> > > >> > > >> > I figured it was wet wiring. Since I got home and things have dried out > >> > I > >> > have not been able to reproduce any of these problems. > >> > > >> > > >> > > >> > I drive a 1983 turbo diesel 5-speed with Vanagon.org dash foil > >> > replacement. > >> > > >> > > >> > > >> > Jim > >> > > >> > >> > >> -- > >> Neil n > >> > >> VE7TBN > >> > >> 1988 Westy 50º ABA swap: https://tinyurl.com/yap5hpwt > >> > >> 1981 Westy 15º ABA swap: https://tinyurl.com/y9n4xob8 > >> > >> VAG Gas Engine Swap Group <http://tinyurl.com/khalbay> > >> > > > > > > > > > > > > > > > > > > > > > > > -- > Neil n > > VE7TBN > > 1988 Westy 50º ABA swap: https://tinyurl.com/yap5hpwt > > 1981 Westy 15º ABA swap: https://tinyurl.com/y9n4xob8 > > VAG Gas Engine Swap Group <http://tinyurl.com/khalbay> >
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