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#1
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The need for a decent wiring diagram
Folks,
without calling the Bentley book ugly, because it has been great up to this point, does anyone have a decent set of schematic electrical drawings (wiring diagrams) for the 1977 Type 2 Bus? The ones in the book are not clear, and in many cases just not accurate. While I am not an expert, I am in fact very used to reading wiring diagrams for other vehicles. Even with my knowledge (limited though it is), these drawings have done nothing but frustrated me to the point of literally being forced to follow the wires from beginning to end point to make sure they did what I thought they did. But my main concern is with the modules that can be found here and there, and just what their functions are when diagnosing problems. Any help would be appriciated. Chuck |
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#2
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Chuck Townsley wrote:
> > Folks, > without calling the Bentley book ugly, because it has been great up to > this point, does anyone have a decent set of schematic electrical > drawings (wiring diagrams) for the 1977 Type 2 Bus? The ones in the > book are not clear, and in many cases just not accurate. > While I am not an expert, I am in fact very used to reading wiring > diagrams for other vehicles. Even with my knowledge (limited though > it is), these drawings have done nothing but frustrated me to the > point of literally being forced to follow the wires from beginning to > end point to make sure they did what I thought they did. But my main > concern is with the modules that can be found here and there, and just > what their functions are when diagnosing problems. > > Any help would be appriciated. > Chuck http://www.vintagebus.com/wiring/index.html Jan |
#3
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Chuck Townsley wrote:
> Folks, > without calling the Bentley book ugly, because it has been great up to > this point, does anyone have a decent set of schematic electrical > drawings (wiring diagrams) for the 1977 Type 2 Bus? The ones in the > book are not clear, and in many cases just not accurate. > While I am not an expert, I am in fact very used to reading wiring > diagrams for other vehicles. Even with my knowledge (limited though > it is), these drawings have done nothing but frustrated me to the > point of literally being forced to follow the wires from beginning to > end point to make sure they did what I thought they did. But my main > concern is with the modules that can be found here and there, and just > what their functions are when diagnosing problems. > > Any help would be appriciated. > Chuck Not flaming in any way, but I have found the Bentley diagrams for Buses to be very accurate. Yes, they take some getting used to because they are functional "ladder" diagrams rather than wiring layout diagrams. But for circuit tracing in trouble shooting, the ladder type is far easier to use since all the components of a particluar circuit are for the most part in a straight line. I don't know of any other diagrams for the late Buses, so spend a little time getting familiar with the conventions used. If it helps, there is a simplified diagram of the Fuel Injection circuitry on my web site. I think I've made it a bit easier to understand than the one in Bentley <pats self on back>. Speedy Jim http://www.nls.net/mp/volks/ |
#4
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I have also found Bently's to be helpful.The ones in color are SO much
easier though.There are also several on the Web.Anyone have a favorite? "Speedy Jim" > wrote in message ... > Chuck Townsley wrote: > >> Folks, >> without calling the Bentley book ugly, because it has been great up to >> this point, does anyone have a decent set of schematic electrical >> drawings (wiring diagrams) for the 1977 Type 2 Bus? The ones in the >> book are not clear, and in many cases just not accurate. >> While I am not an expert, I am in fact very used to reading wiring >> diagrams for other vehicles. Even with my knowledge (limited though >> it is), these drawings have done nothing but frustrated me to the >> point of literally being forced to follow the wires from beginning to >> end point to make sure they did what I thought they did. But my main >> concern is with the modules that can be found here and there, and just >> what their functions are when diagnosing problems. >> >> Any help would be appriciated. >> Chuck > > Not flaming in any way, but I have found the Bentley diagrams > for Buses to be very accurate. > > Yes, they take some getting used to because they are functional > "ladder" diagrams rather than wiring layout diagrams. > But for circuit tracing in trouble shooting, the ladder type is > far easier to use since all the components of a particluar circuit are > for the most part in a straight line. > > I don't know of any other diagrams for the late Buses, so spend a > little time getting familiar with the conventions used. > > If it helps, there is a simplified diagram of the Fuel Injection > circuitry on my web site. I think I've made it a bit easier to > understand than the one in Bentley <pats self on back>. > > Speedy Jim > http://www.nls.net/mp/volks/ |
#5
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Speedy Jim > wrote in message >...
> Chuck Townsley wrote: > > > Folks, > > without calling the Bentley book ugly, because it has been great up to > > this point, does anyone have a decent set of schematic electrical > > drawings (wiring diagrams) for the 1977 Type 2 Bus? The ones in the > > book are not clear, and in many cases just not accurate. > > While I am not an expert, I am in fact very used to reading wiring > > diagrams for other vehicles. Even with my knowledge (limited though > > it is), these drawings have done nothing but frustrated me to the > > point of literally being forced to follow the wires from beginning to > > end point to make sure they did what I thought they did. But my main > > concern is with the modules that can be found here and there, and just > > what their functions are when diagnosing problems. > > > > Any help would be appriciated. > > Chuck > > Not flaming in any way, but I have found the Bentley diagrams > for Buses to be very accurate. > > Yes, they take some getting used to because they are functional > "ladder" diagrams rather than wiring layout diagrams. > But for circuit tracing in trouble shooting, the ladder type is > far easier to use since all the components of a particluar circuit are > for the most part in a straight line. > > I don't know of any other diagrams for the late Buses, so spend a > little time getting familiar with the conventions used. > > If it helps, there is a simplified diagram of the Fuel Injection > circuitry on my web site. I think I've made it a bit easier to > understand than the one in Bentley <pats self on back>. > > Speedy Jim > http://www.nls.net/mp/volks/ Jim, et al, I take my hat off to you, you should have flamed me. I did figure out why I was struggling so much. My van was at one time powered off of an electric motor and batteries. With the retro fit of a bug engine, the person who completed this task, simply cut wires not needed back in the engine compartment, and used others for such things as the ignition system. So when I recognized this today by checking continuity of all the wires behind the instrument panel to see just where their destination was. It made things much easier. Many where just cut and others were hijacked for other purposes as I stated before. So from here, I am going to photo copy the latter diagrams in the book and restate the colors of the wires etc... The frustating thing was that some of the rungs were correct and others made no since what so ever when I was matching colors of the wires, etc... Thanks for the help... Chuck |
#6
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Just a tip to those who haven't learned the hard way: Not all auto wiring
should be soldered. They guy who did a total (creative) rewire of my kit car was so proud he soldered every single connection I didn't have the heart to tell him when a couple snapped due to vibration. |
#7
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If done properly there shouldn't be a problem with soldering any of the connections on an ACVW. Most people just grab
one of those big 'ol soldering guns and weld away. I've been precision soldering for over twenty years and wouldn't hesitate to solder any connections on my vw. However, most people aren't properly equipped nor do they have the experience. Long leads that don't have much support close by such as those on the starter or generator might better be left alone. Cut off the old connector and crimp on a new. Wires on the fuse panel and instruments would be fine since they don't move. You also don't want to try to solder any of the existing (old) connections. If they're causing trouble because they're corroded you'll never get them to take solder anyway. >>>Mike |
#8
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"Mike64Bug" > wrote in message ink.net... > If done properly there shouldn't be a problem with soldering any of the > connections on an ACVW. > [...] I agree with the caveats. In this case it was wiring to instruments where the wiring was at right-angles to the board and the wire wasn't supported well. I wrapped the bundles and tied them to the bulkhead to solve the problem. |
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