diff --git a/diylc/diylc-core/src/org/diylc/netlist/Tree.java b/diylc/diylc-core/src/org/diylc/netlist/Tree.java
index 42520387..f9ee373a 100644
--- a/diylc/diylc-core/src/org/diylc/netlist/Tree.java
+++ b/diylc/diylc-core/src/org/diylc/netlist/Tree.java
@@ -22,11 +22,14 @@
 package org.diylc.netlist;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
+import java.util.stream.Collectors;
+
 import org.diylc.core.IDIYComponent;
 
 public class Tree {
@@ -157,6 +160,27 @@ public class Tree {
     return sb.toString();
   }
   
+  public String toAsciiString() {
+    return String.join("<br>", toAscii());
+  }
+  
+  private List<String> toAscii() {
+    if (leaf != null) {
+      return Arrays.asList(TreeAsciiUtil.generateString(TreeAsciiUtil.BOXH, 1) + " " + leaf.toHTML() + " " + TreeAsciiUtil.generateString(TreeAsciiUtil.BOXH, 1));
+    }
+
+    List<Tree> children = getOrderedChildren();
+
+    List<List<String>> childrenAscii =
+        children.stream().map(c -> c.toAscii()).collect(Collectors.toList());
+
+    if (TreeConnectionType.Series.equals(connectionType)) {
+      return TreeAsciiUtil.concatenateMultiLineSerial(TreeAsciiUtil.generateString(TreeAsciiUtil.BOXH, 1), childrenAscii);
+    } else {
+      return TreeAsciiUtil.concatenateMultiLineParallel(childrenAscii);
+    }
+  }
+  
   @Override
   protected Object clone() throws CloneNotSupportedException {
     if (leaf != null)
diff --git a/diylc/diylc-core/src/org/diylc/netlist/TreeAsciiUtil.java b/diylc/diylc-core/src/org/diylc/netlist/TreeAsciiUtil.java
new file mode 100644
index 00000000..878a3b1a
--- /dev/null
+++ b/diylc/diylc-core/src/org/diylc/netlist/TreeAsciiUtil.java
@@ -0,0 +1,209 @@
+package org.diylc.netlist;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class TreeAsciiUtil {
+
+  public static final String BOXVR = "&#x251C;";
+  public static final String BOXUL = "&#x2518;";
+  public static final String BOXDL = "&#x2510;";
+  public static final String BOXH = "&#x2500;";
+  public static final String NBSP = "&nbsp;";
+  public static final String BOXDR = "&#x250C;";
+  public static final String BOXUR = "&#x2514;";
+  public static final String BOXVH = "&#x253C;";
+  public static final String BOXVL = "&#x2524;";
+  public static final String BOXV = "&#x2502;";
+
+  public static List<String> concatenateMultiLineParallel(List<List<String>> elementLines) {
+
+    List<Integer> lineCounts = elementLines.stream()
+            .map(lines -> lines.size())
+            .collect(Collectors.toList());
+    List<Integer> lineLengths = elementLines.stream()
+            .map(element -> element.stream()
+                    .map(TreeAsciiUtil::htmlLength)
+                    .max(Integer::compare)
+                    .orElse(0))
+            .collect(Collectors.toList());
+    int maxLineLength = Collections.max(lineLengths);
+    int targetLineCount = lineCounts.stream()
+            .mapToInt(Integer::intValue)
+            .sum() + elementLines.size() - 1;
+    int centerLine = targetLineCount / 2;
+
+    List<String> results = new ArrayList<String>();
+    int overallLineCount = 0;
+    for (int i = 0; i < elementLines.size(); i++) {
+      List<String> lines = elementLines.get(i);
+
+      int lineLength = lineLengths.get(i);
+
+      String leftBuffer = "";
+      String rightBuffer = "";
+      if (lineLength < maxLineLength) {
+        leftBuffer = generateString(" ", (maxLineLength - lineLength) / 2);
+        rightBuffer = generateString(" ", (maxLineLength - lineLength) - (maxLineLength - lineLength) / 2);
+      }
+
+      String leftBufferCentral = "";
+      String rightBufferCentral = "";
+      if (lineLength < maxLineLength) {
+        leftBufferCentral = generateString(BOXH, (maxLineLength - lineLength) / 2);
+        rightBufferCentral = generateString(BOXH, (maxLineLength - lineLength) - (maxLineLength - lineLength) / 2);
+      }
+      
+      int elementCenterLine = lines.size() / 2;
+
+      for (int j = 0; j < lines.size(); j++) {
+        String line = lines.get(j);
+
+        StringBuilder sb = new StringBuilder();
+        
+        if (overallLineCount == centerLine) {
+          sb.append(BOXH);
+        } else {
+          sb.append(NBSP);
+        }
+        
+        if ((j < elementCenterLine && i == 0) || (j > elementCenterLine && i == elementLines.size() - 1)) {
+          sb.append(NBSP);
+        } else if (j == elementCenterLine && i == 0) {
+          sb.append(BOXDR);
+        } else if (i == elementLines.size() - 1 && j == elementCenterLine) {
+          sb.append(BOXUR);
+        } else if (overallLineCount == centerLine) {
+          if (j == elementCenterLine && i > 0 && i < elementLines.size() - 1) {
+            sb.append(BOXVH);
+          } else {
+            sb.append(BOXVL);
+          }
+        } else {
+          if (j == elementCenterLine && i > 0 && i < elementLines.size() - 1) {
+            sb.append(BOXVR);
+          } else {
+            sb.append(BOXV);
+          }
+        }
+
+        if (j == elementCenterLine) {
+          sb.append(leftBufferCentral);
+        } else {
+          sb.append(leftBuffer);
+        }
+        sb.append(line);
+        if (j == elementCenterLine) {
+          sb.append(rightBufferCentral);
+        } else {
+          sb.append(rightBuffer);
+        }
+
+        if ((j < elementCenterLine && i == 0) || (j > elementCenterLine && i == elementLines.size() - 1)) {
+          sb.append(NBSP);
+        } else if (j == elementCenterLine && i == 0) {
+          sb.append(BOXDL);
+        } else if (i == elementLines.size() - 1 && j == elementCenterLine) {
+          sb.append(BOXUL);
+        } else if (overallLineCount == centerLine) {
+          if (j == elementCenterLine && i > 0 && i < elementLines.size() - 1) {
+            sb.append(BOXVH);
+          } else {
+            sb.append(BOXVR);
+          }
+        } else {
+          if (j == elementCenterLine && i > 0 && i < elementLines.size() - 1) {
+            sb.append(BOXVL);
+          } else {
+            sb.append(BOXV);
+          }
+        }
+        
+        if (overallLineCount == centerLine) {
+          sb.append(BOXH);
+        } else {
+          sb.append(NBSP);
+        }
+        
+        results.add(sb.toString());
+        overallLineCount++;
+      }
+
+
+      if (i < elementLines.size() - 1) {
+        String leftEnding;
+        String rightEnding;
+        if (overallLineCount == centerLine) {
+          leftEnding = BOXH + BOXVL;
+          rightEnding = BOXVR + BOXH;
+        } else {
+          leftEnding = NBSP + BOXV;
+          rightEnding = BOXV + NBSP;
+        }
+        String emptyLine = leftEnding + generateString(NBSP, maxLineLength) + rightEnding;
+        results.add(emptyLine);
+        overallLineCount++;
+      }
+    }
+    
+    return results;
+  }
+
+  public static List<String> concatenateMultiLineSerial(String separator, List<List<String>> elementLines) {
+    List<Integer> lineCounts = elementLines.stream()
+        .map(lines -> lines.size())
+        .collect(Collectors.toList());
+    String blankSeparator = generateString(NBSP, htmlLength(separator));
+    int maxLineCount = lineCounts.stream().mapToInt(Integer::intValue).max().orElse(0);
+    int centerLine = maxLineCount / 2;
+    List<Integer> lineLengths = elementLines.stream()
+        .map(element -> element.stream()
+            .map(TreeAsciiUtil::htmlLength)
+            .max(Integer::compare)
+            .orElse(0))
+        .collect(Collectors.toList());
+    List<String> results = new ArrayList<>();
+    for (int line = 0; line < maxLineCount; line++) {
+      
+      StringBuilder sb = new StringBuilder();
+      for (int i = 0; i < elementLines.size(); i++) {
+        int elementLineCount = lineCounts.get(i);
+        int elementCenterLine = elementLineCount / 2;
+        int elementLineLength = lineLengths.get(i);
+        if (line < centerLine - elementCenterLine
+            || line > centerLine - elementCenterLine + elementLineCount) {
+          sb.append(generateString(NBSP, elementLineLength));
+        } else {
+          int lineIndex = line + elementCenterLine - centerLine;
+          List<String> element = elementLines.get(i);
+          String elementLine;
+          if (lineIndex < element.size()) {
+            elementLine = element.get(lineIndex);
+          } else {
+            elementLine = generateString(NBSP, elementLineLength);
+          }
+          sb.append(elementLine);
+        }
+        if (i < elementLines.size() - 1) {
+          if (line == centerLine) {
+            sb.append(separator);
+          } else {
+            sb.append(blankSeparator);
+          }
+        }
+      }
+      results.add(sb.toString());
+    }
+    return results;
+  }
+
+  public static String generateString(String seed, int n) {
+    return String.join("", Collections.nCopies(n, seed));
+  }
+
+  public static int htmlLength(String s) {
+    return s.replaceAll("\\&.*?\\;", "x").length();
+  }
+}
diff --git a/diylc/diylc-core/src/org/diylc/netlist/TreeLeaf.java b/diylc/diylc-core/src/org/diylc/netlist/TreeLeaf.java
index 737fcff7..11cfcd37 100644
--- a/diylc/diylc-core/src/org/diylc/netlist/TreeLeaf.java
+++ b/diylc/diylc-core/src/org/diylc/netlist/TreeLeaf.java
@@ -107,6 +107,6 @@ public class TreeLeaf implements ITree {
   }
   
   public String toHTML() {
-    return toString().replace("<", "&lt;").replace(">", "&gt");
+    return toString().replace("<", "&lt;").replace(">", "&gt;");
   }
 }
diff --git a/diylc/diylc-core/src/org/diylc/presenter/update.xml b/diylc/diylc-core/src/org/diylc/presenter/update.xml
index d97f2743..0510c9d5 100644
--- a/diylc/diylc-core/src/org/diylc/presenter/update.xml
+++ b/diylc/diylc-core/src/org/diylc/presenter/update.xml
@@ -4425,5 +4425,25 @@
 			</changes>
 			<url>https://github.com/bancika/diy-layout-creator/releases</url>
 		</org.diylc.appframework.update.Version>
+		<org.diylc.appframework.update.Version>
+			<versionNumber>
+				<major>4</major>
+				<minor>40</minor>
+				<build>0</build>
+			</versionNumber>
+			<releaseDate>2025-01-25 00:00:00.000 CET</releaseDate>
+			<name></name>
+			<changes>
+				<org.diylc.appframework.update.Change>
+					<changeType>NEW_FEATURE</changeType>
+					<description>Guitar wiring analyzer can now detect treble bleed circuit on volume controls</description>
+				</org.diylc.appframework.update.Change>				
+				<org.diylc.appframework.update.Change>
+					<changeType>IMPROVEMENT</changeType>
+					<description>Better rendering of the effective circuit graph in the guitar wiring analyzer, showing series and parallel connections in a more intuitive way</description>
+				</org.diylc.appframework.update.Change>
+			</changes>
+			<url>https://github.com/bancika/diy-layout-creator/releases</url>
+		</org.diylc.appframework.update.Version>
 	</a>
 </java.util.Arrays_-ArrayList>
diff --git a/diylc/diylc-core/test/org/diylc/netlist/TreeAsciiUtilTest.java b/diylc/diylc-core/test/org/diylc/netlist/TreeAsciiUtilTest.java
new file mode 100644
index 00000000..ee1df9e1
--- /dev/null
+++ b/diylc/diylc-core/test/org/diylc/netlist/TreeAsciiUtilTest.java
@@ -0,0 +1,57 @@
+package org.diylc.netlist;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+import java.util.Arrays;
+import java.util.List;
+
+import org.junit.Test;
+
+public class TreeAsciiUtilTest {
+
+  @Test
+  public void testConcatenateMultiLineSerial() {
+    List<String> result = TreeAsciiUtil.concatenateMultiLineSerial("-",
+        Arrays.asList(Arrays.asList("xx", "yy"), Arrays.asList("xxx", "yyy", "aaa")));
+    assertNotNull(result);
+    assertEquals(3, result.size());
+    assertEquals("xx&nbsp;xxx", result.get(0));
+    assertEquals("yy-yyy", result.get(1));
+    assertEquals("&nbsp;&nbsp;&nbsp;aaa", result.get(2));
+  }
+
+  @Test
+  public void testConcatenateMultiLineSerial_singleInput() {
+    List<List<String>> elementList = Arrays.asList(Arrays.asList("xx", "yy"));
+    List<String> result = TreeAsciiUtil.concatenateMultiLineSerial("-", elementList);
+    assertNotNull(result);
+    assertEquals(Arrays.asList("xx", "yy"), result);
+  }
+  
+  @Test
+  public void testConcatenateMultiLineParallel() {
+    List<String> result = TreeAsciiUtil.concatenateMultiLineParallel(
+        Arrays.asList(Arrays.asList("xx", "yy"), Arrays.asList("xxx", "yyy", "aaa")));
+    
+    System.out.println("<font face=\"Courier New\">" + String.join("<br>", result) +"</font>");
+    assertNotNull(result);
+//    assertEquals(3, result.size());
+//    assertEquals("xx&nbsp;xxx", result.get(0));
+//    assertEquals("yy-yyy", result.get(1));
+//    assertEquals("&nbsp;&nbsp;&nbsp;aaa", result.get(2));
+  }
+  
+  @Test
+  public void testConcatenateMultiLineParallel_4_lines() {
+    List<String> result = TreeAsciiUtil.concatenateMultiLineParallel(
+        Arrays.asList(Arrays.asList("xx"), Arrays.asList("xx"), Arrays.asList("xx"), Arrays.asList("xx")));
+    
+    System.out.println("<font face=\"Courier New\">" + String.join("<br>", result) +"</font>");
+    assertNotNull(result);
+//    assertEquals(3, result.size());
+//    assertEquals("xx&nbsp;xxx", result.get(0));
+//    assertEquals("yy-yyy", result.get(1));
+//    assertEquals("&nbsp;&nbsp;&nbsp;aaa", result.get(2));
+  }
+}
diff --git a/diylc/diylc-library/lib/diylc-core.jar b/diylc/diylc-library/lib/diylc-core.jar
index e2d1f91c..ed04129e 100644
Binary files a/diylc/diylc-library/lib/diylc-core.jar and b/diylc/diylc-library/lib/diylc-core.jar differ
diff --git a/diylc/diylc-library/src/org/diylc/netlist/GuitarDiagramAnalyzer.java b/diylc/diylc-library/src/org/diylc/netlist/GuitarDiagramAnalyzer.java
index dc225c06..5827f814 100644
--- a/diylc/diylc-library/src/org/diylc/netlist/GuitarDiagramAnalyzer.java
+++ b/diylc/diylc-library/src/org/diylc/netlist/GuitarDiagramAnalyzer.java
@@ -20,6 +20,7 @@ package org.diylc.netlist;
 
 import java.util.ArrayList;
 import java.util.Collections;
+import java.util.Comparator;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
@@ -42,6 +43,7 @@ import org.diylc.components.passive.PotentiometerPanel;
 import org.diylc.components.passive.RadialCeramicDiskCapacitor;
 import org.diylc.components.passive.RadialFilmCapacitor;
 import org.diylc.components.passive.RadialMicaCapacitor;
+import org.diylc.components.passive.Resistor;
 import org.diylc.core.IDIYComponent;
 import org.diylc.netlist.Tree.ITreeWalker;
 
@@ -51,6 +53,9 @@ public class GuitarDiagramAnalyzer extends NetlistAnalyzer implements INetlistAn
   private static Set<String> POT_TYPES = new HashSet<String>();
   private static Set<String> PICKUP_TYPES = new HashSet<String>();
   private static Set<String> CAP_TYPES = new HashSet<String>();
+  private static Set<String> RESISTOR_TYPES = new HashSet<String>();
+  private static Set<String> RC_TYPES = new HashSet<String>();
+  
   static {
     JACK_TYPES.add(OpenJack1_4.class.getCanonicalName());
     JACK_TYPES.add(ClosedJack1_4.class.getCanonicalName());
@@ -68,6 +73,11 @@ public class GuitarDiagramAnalyzer extends NetlistAnalyzer implements INetlistAn
     CAP_TYPES.add(RadialMicaCapacitor.class.getCanonicalName());
     CAP_TYPES.add(RadialFilmCapacitor.class.getCanonicalName());
     CAP_TYPES.add(AxialFilmCapacitor.class.getCanonicalName());
+    
+    RESISTOR_TYPES.add(Resistor.class.getCanonicalName());
+    
+    RC_TYPES.addAll(CAP_TYPES);
+    RC_TYPES.addAll(RESISTOR_TYPES);
   }
 
   @Override
@@ -203,6 +213,8 @@ public class GuitarDiagramAnalyzer extends NetlistAnalyzer implements INetlistAn
       // locate volume and tone pots
       Map<IDIYComponent<?>, List<IDIYComponent<?>>> volPotPickupMap =
           new HashMap<IDIYComponent<?>, List<IDIYComponent<?>>>();
+      Map<IDIYComponent<?>, Set<IDIYComponent<?>>> volPotTrebleBleedMap =
+          new HashMap<IDIYComponent<?>, Set<IDIYComponent<?>>>();
       Map<IDIYComponent<?>, List<IDIYComponent<?>>> tonePotPickupMap =
           new HashMap<IDIYComponent<?>, List<IDIYComponent<?>>>();
       Map<IDIYComponent<?>, List<IDIYComponent<?>>> tonePotPickupReverseMap =
@@ -253,20 +265,22 @@ public class GuitarDiagramAnalyzer extends NetlistAnalyzer implements INetlistAn
         if (tree1 == null || tree2 == null)
           continue;
         for (Map.Entry<IDIYComponent<?>, Tree> r : pickupRoots.entrySet()) {
-          Tree parent1 = tree.findCommonParent(tree1, r.getValue());
-          Tree parent2 = tree.findCommonParent(tree2, r.getValue());
-          if (parent1 != null && parent2 != null
-              && parent1.getConnectionType() == TreeConnectionType.Series
-              && parent2.getConnectionType() == TreeConnectionType.Parallel) {
+          Tree commonParent1 = tree.findCommonParent(tree1, r.getValue());
+          Tree commonParent2 = tree.findCommonParent(tree2, r.getValue());
+          locateTrebleBleed(tree, volPotTrebleBleedMap, pot, tree1);
+          
+          if (commonParent1 != null && commonParent2 != null
+              && commonParent1.getConnectionType() == TreeConnectionType.Series
+              && commonParent2.getConnectionType() == TreeConnectionType.Parallel) {
             List<IDIYComponent<?>> pickupList = volPotPickupMap.get(pot);
             if (pickupList == null) {
               pickupList = new ArrayList<IDIYComponent<?>>();
               volPotPickupMap.put(pot, pickupList);
             }
             pickupList.add(r.getKey());
-          } else if (parent1 != null && parent2 != null
-              && parent1.getConnectionType() == TreeConnectionType.Parallel
-              && parent2.getConnectionType() == TreeConnectionType.Series) {
+          } else if (commonParent1 != null && commonParent2 != null
+              && commonParent1.getConnectionType() == TreeConnectionType.Parallel
+              && commonParent2.getConnectionType() == TreeConnectionType.Series) {
             List<IDIYComponent<?>> pickupList = volPotPickupReverseMap.get(pot);
             if (pickupList == null) {
               pickupList = new ArrayList<IDIYComponent<?>>();
@@ -290,6 +304,16 @@ public class GuitarDiagramAnalyzer extends NetlistAnalyzer implements INetlistAn
           sb.append("'").append(pickupName).append("'");
         }
         notes.add(sb.toString());
+        
+        Set<IDIYComponent<?>> trebleBleedComponents = volPotTrebleBleedMap.get(e.getKey());
+        if (trebleBleedComponents != null && trebleBleedComponents.size() > 0) {
+
+          String trebleBleadNote = trebleBleedComponents.stream()
+            .sorted(Comparator.comparing(c -> c.getName()))
+            .map(c ->  "'" + c.getName() + "'")
+            .collect(Collectors.joining(", ")) + " form a treble bleed network on the '" + e.getKey().getName() + "' volume control";
+          notes.add(trebleBleadNote);
+        }
       }
 
       for (Map.Entry<IDIYComponent<?>, List<IDIYComponent<?>>> e : volPotPickupReverseMap
@@ -343,19 +367,39 @@ public class GuitarDiagramAnalyzer extends NetlistAnalyzer implements INetlistAn
     }
 
     StringBuilder sb = new StringBuilder();
+    
+    String asciiTree = tree.toAsciiString();
 
-    sb.append("Parallel/Series connectivity tree:<br><br>").append(tree.toHTML(0));
+    sb.append("<br><br>")
+      .append("<font face='Courier New'>")
+      .append(asciiTree)
+      .append("</font>");
     if (!notes.isEmpty()) {
       Collections.sort(notes);
-      sb.append("<br><br>Notes:<br>");
+      sb.append("<br><br>");
       for (String v : notes) {
-        sb.append("&nbsp;&nbsp;").append(v).append("<br>");
+        sb.append(v).append("<br>");
       }
     }
 
     return new Summary(netlist, sb.toString());
   }
 
+  private void locateTrebleBleed(Tree tree,
+      Map<IDIYComponent<?>, Set<IDIYComponent<?>>> volPotTrebleBleedMap, IDIYComponent<?> pot,
+      Tree tree1) {
+    Tree parent1 = tree1;
+    do { 
+      parent1 = tree.findParent(parent1);
+    } while (parent1 != null && parent1.getChildren().size() <= 1);
+    if (parent1 != null) {
+      Set<IDIYComponent<?>> trebleBleedComponents = parent1.extractComponents(RC_TYPES);
+      if (trebleBleedComponents.stream().anyMatch(c -> CAP_TYPES.contains(c.getClass().getCanonicalName()))) {
+        volPotTrebleBleedMap.computeIfAbsent(pot, k -> new HashSet<IDIYComponent<?>>()).addAll(trebleBleedComponents);
+      }
+    }
+  }
+
   public Tree constructTree(Netlist netlist) throws TreeException {
     List<Node> jackTipNodes = find(JACK_TYPES, "Tip", netlist);
     List<Node> jackSleeveNodes = find(JACK_TYPES, "Sleeve", netlist);
diff --git a/diylc/diylc-swing/lib/diylc-core.jar b/diylc/diylc-swing/lib/diylc-core.jar
index e2d1f91c..ed04129e 100644
Binary files a/diylc/diylc-swing/lib/diylc-core.jar and b/diylc/diylc-swing/lib/diylc-core.jar differ
diff --git a/diylc/diylc-swing/library/main.jar b/diylc/diylc-swing/library/main.jar
index 590473f8..d0b20f5b 100644
Binary files a/diylc/diylc-swing/library/main.jar and b/diylc/diylc-swing/library/main.jar differ