diff --git a/diylc/diylc-core/src/org/diylc/netlist/Tree.java b/diylc/diylc-core/src/org/diylc/netlist/Tree.java
index b970a7c8..e10fd484 100644
--- a/diylc/diylc-core/src/org/diylc/netlist/Tree.java
+++ b/diylc/diylc-core/src/org/diylc/netlist/Tree.java
@@ -24,9 +24,12 @@ package org.diylc.netlist;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Comparator;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
+import org.diylc.core.IDIYComponent;
+
 public class Tree {
 
   private List<Tree> children;
@@ -193,6 +196,72 @@ public class Tree {
     }
   }
   
+  public Set<IDIYComponent<?>> extractComponents(Set<String> types) {
+    Set<IDIYComponent<?>> res = new HashSet<IDIYComponent<?>>();
+    if (leaf != null && types.contains(leaf.getComponent().getClass().getCanonicalName())) {
+      res.add(leaf.getComponent());
+    } else if (children != null) {
+      for (Tree t : children) {
+        Set<IDIYComponent<?>> childRes = t.extractComponents(types);
+        if (childRes != null)
+          res.addAll(childRes);
+      }
+    }
+    return res;
+  }
+  
+  public Tree locate(TreeLeaf l, boolean forceDirection) {
+    if (leaf != null && leaf.equals(l, forceDirection))
+      return this;
+    if (children != null) {
+      for (Tree t : children) {
+        Tree childL = t.locate(l, forceDirection);
+        if (childL != null) {
+//          if (t.getLeaf() != null)
+//            return this;
+          return childL;
+        }
+      }
+    }
+    return null;
+  }
+  
+  public Tree findCommonParent(Tree t1, Tree t2) {
+    if (children == null)
+      return null;
+    
+    Tree p1 = null;
+    Tree p2 = null;
+    for (Tree c : children) {
+      if (c.contains(t1))
+        p1 = c;
+      if (c.contains(t2))
+        p2 = c;
+    }
+    
+    if (p1 == null || p2 == null)
+      return null;
+    
+    if (p1 != p2)
+      return this;
+    
+    return p1.findCommonParent(t1, t2);
+  }
+  
+  public boolean contains(Tree t) {
+    if (this == t)
+      return true;
+    
+    if (children == null)
+      return false;
+    if (children.contains(t))
+      return true;
+    for (Tree c : children)
+      if (c.contains(t))
+        return true;
+    return false;
+  }
+  
   public interface ITreeWalker {
     
     void visit(Tree t);
diff --git a/diylc/diylc-core/src/org/diylc/netlist/TreeLeaf.java b/diylc/diylc-core/src/org/diylc/netlist/TreeLeaf.java
index c2308e31..04eb3064 100644
--- a/diylc/diylc-core/src/org/diylc/netlist/TreeLeaf.java
+++ b/diylc/diylc-core/src/org/diylc/netlist/TreeLeaf.java
@@ -89,6 +89,15 @@ public class TreeLeaf implements ITree {
       return false;
     return true;
   }
+  
+  public boolean equals(TreeLeaf other, boolean forceDirection) {
+    if (component == null) {
+      if (other.component != null)
+        return false;
+    } else if (!component.equals(other.component))
+      return false;
+    return (pointIndex1 == other.pointIndex1 && pointIndex2 == other.pointIndex2) || (!forceDirection && (pointIndex1 == other.pointIndex2 && pointIndex2 == other.pointIndex1));
+  }
 
   @Override
   public String toString() {   
diff --git a/diylc/diylc-library/lib/diylc-core.jar b/diylc/diylc-library/lib/diylc-core.jar
index 2d05ea05..7cf26f21 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/components/guitar/AbstractGuitarPickup.java b/diylc/diylc-library/src/org/diylc/components/guitar/AbstractGuitarPickup.java
index 105a07a6..3bdbfa98 100644
--- a/diylc/diylc-library/src/org/diylc/components/guitar/AbstractGuitarPickup.java
+++ b/diylc/diylc-library/src/org/diylc/components/guitar/AbstractGuitarPickup.java
@@ -127,6 +127,8 @@ public abstract class AbstractGuitarPickup extends AbstractTransparentComponent<
   
   protected abstract Shape[] getBody();
   
+  public abstract boolean isHumbucker();
+  
   protected int getMainLabelYOffset() {
     return 0;
   }
diff --git a/diylc/diylc-library/src/org/diylc/components/guitar/AbstractSingleOrHumbuckerPickup.java b/diylc/diylc-library/src/org/diylc/components/guitar/AbstractSingleOrHumbuckerPickup.java
index 2e434aa1..1bbeedec 100644
--- a/diylc/diylc-library/src/org/diylc/components/guitar/AbstractSingleOrHumbuckerPickup.java
+++ b/diylc/diylc-library/src/org/diylc/components/guitar/AbstractSingleOrHumbuckerPickup.java
@@ -132,4 +132,8 @@ public abstract class AbstractSingleOrHumbuckerPickup extends AbstractGuitarPick
     
     return null;
   }
+  
+  public boolean isHumbucker() {
+    return getPolarity() == Polarity.Humbucking;
+  }
 }
diff --git a/diylc/diylc-library/src/org/diylc/components/guitar/HumbuckerPickup.java b/diylc/diylc-library/src/org/diylc/components/guitar/HumbuckerPickup.java
index cf9e0671..0457510c 100644
--- a/diylc/diylc-library/src/org/diylc/components/guitar/HumbuckerPickup.java
+++ b/diylc/diylc-library/src/org/diylc/components/guitar/HumbuckerPickup.java
@@ -371,6 +371,11 @@ public class HumbuckerPickup extends AbstractGuitarPickup {
   protected int getMainLabelYOffset() {
     return (int) (getType().getWidth().convertToPixels() / 2 - 20);
   }
+  
+  @Override
+  public boolean isHumbucker() {   
+    return true;
+  }
 
   @Override
   public void drawIcon(Graphics2D g2d, int width, int height) {
diff --git a/diylc/diylc-library/src/org/diylc/netlist/GuitarDiagramAnalyzer.java b/diylc/diylc-library/src/org/diylc/netlist/GuitarDiagramAnalyzer.java
index 0062c42d..83cf1d3f 100644
--- a/diylc/diylc-library/src/org/diylc/netlist/GuitarDiagramAnalyzer.java
+++ b/diylc/diylc-library/src/org/diylc/netlist/GuitarDiagramAnalyzer.java
@@ -29,12 +29,14 @@ import java.util.Set;
 import org.diylc.common.INetlistAnalyzer;
 import org.diylc.components.electromechanical.ClosedJack1_4;
 import org.diylc.components.electromechanical.OpenJack1_4;
+import org.diylc.components.guitar.AbstractGuitarPickup;
 import org.diylc.components.guitar.HumbuckerPickup;
 import org.diylc.components.guitar.JazzBassPickup;
 import org.diylc.components.guitar.P90Pickup;
 import org.diylc.components.guitar.PBassPickup;
 import org.diylc.components.guitar.SingleCoilPickup;
 import org.diylc.components.passive.PotentiometerPanel;
+import org.diylc.core.IDIYComponent;
 import org.diylc.netlist.Tree.ITreeWalker;
 
 public class GuitarDiagramAnalyzer extends NetlistAnalyzer implements INetlistAnalyzer {
@@ -111,6 +113,25 @@ public class GuitarDiagramAnalyzer extends NetlistAnalyzer implements INetlistAn
             negativeCount++;
         }        
       });
+      
+      Set<IDIYComponent<?>> pickups = tree.extractComponents(PICKUP_TYPES);
+      for (IDIYComponent<?> c : pickups) {
+        if (c instanceof AbstractGuitarPickup) {
+          AbstractGuitarPickup pickup = (AbstractGuitarPickup)c;
+          if (((AbstractGuitarPickup) c).isHumbucker()) {
+            TreeLeaf nLeaf = new TreeLeaf(pickup, 0, 1);
+            TreeLeaf sLeaf = new TreeLeaf(pickup, 2, 3);
+            Tree nTree = tree.locate(nLeaf, false);
+            Tree sTree = tree.locate(sLeaf, false);
+            Tree parent = tree.findCommonParent(nTree, sTree);
+            if (nTree != null && sTree != null && parent != null) {              
+               notes.add(pickup.getName() + " pickup engaged in humbucking mode with coils wired in " + parent.getConnectionType().name().toLowerCase());              
+            } else if ((nTree == null && sTree != null) || (nTree != null && sTree == null)) {
+              notes.add(pickup.getName() + " pickup engaged in coil-split mode");
+            }
+          }
+        }
+      }
             
       boolean humCancelling = noiseCount == 0;
       
diff --git a/diylc/diylc-swing/lib/diylc-core.jar b/diylc/diylc-swing/lib/diylc-core.jar
index 2d05ea05..7cf26f21 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 0bb9725a..8b6c01cb 100644
Binary files a/diylc/diylc-swing/library/main.jar and b/diylc/diylc-swing/library/main.jar differ
diff --git a/diylc/diylc-swing/update.xml b/diylc/diylc-swing/update.xml
index 9e2278a2..8210bed6 100644
--- a/diylc/diylc-swing/update.xml
+++ b/diylc/diylc-swing/update.xml
@@ -2528,7 +2528,7 @@
 				</org.diylc.appframework.update.Change>
 				<org.diylc.appframework.update.Change>
 					<changeType>NEW_FEATURE</changeType>
-					<description>"Analyze Guitar Wiring" can figure out if wiring is hum-cancelling and in or out of phase for each position</description>
+					<description>"Analyze Guitar Wiring" can figure out if wiring is hum-cancelling and in or out of phase for each position, can detect split-coil wiring and series/parallel humbucking mode</description>
 				</org.diylc.appframework.update.Change>
 				<org.diylc.appframework.update.Change>
 					<changeType>IMPROVEMENT</changeType>