diff --git a/common/settings/app_settings.cpp b/common/settings/app_settings.cpp
index 1ae7f19883..37687f76f8 100644
--- a/common/settings/app_settings.cpp
+++ b/common/settings/app_settings.cpp
@@ -280,6 +280,9 @@ APP_SETTINGS_BASE::APP_SETTINGS_BASE( const std::string& aFilename, int aSchemaV
 
     m_params.emplace_back( new PARAM<bool>( "cross_probing.auto_highlight",
             &m_CrossProbing.auto_highlight, true ) );
+
+    m_params.emplace_back( new PARAM<bool>( "cross_probing.flash_selection",
+            &m_CrossProbing.flash_selection, false ) );
 }
 
 
diff --git a/eeschema/cross-probing.cpp b/eeschema/cross-probing.cpp
index 2dd45e4cf1..89db65224d 100644
--- a/eeschema/cross-probing.cpp
+++ b/eeschema/cross-probing.cpp
@@ -931,6 +931,26 @@ void SCH_EDIT_FRAME::KiwayMailIn( KIWAY_EXPRESS& mail )
                                                                             items );
 
             m_syncingPcbToSchSelection = false;
+
+            if( eeconfig()->m_CrossProbing.flash_selection )
+            {
+                wxLogTrace( "CROSS_PROBE_FLASH", "MAIL_SELECTION(_FORCE): flash enabled, items=%zu", items.size() );
+                if( items.empty() )
+                {
+                    wxLogTrace( "CROSS_PROBE_FLASH", "MAIL_SELECTION(_FORCE): nothing to flash" );
+                }
+                else
+                {
+                    std::vector<SCH_ITEM*> itemPtrs;
+                    std::copy( items.begin(), items.end(), std::back_inserter( itemPtrs ) );
+
+                    StartCrossProbeFlash( itemPtrs );
+                }
+            }
+            else
+            {
+                wxLogTrace( "CROSS_PROBE_FLASH", "MAIL_SELECTION(_FORCE): flash disabled" );
+            }
         }
 
         break;
diff --git a/eeschema/dialogs/panel_eeschema_display_options.cpp b/eeschema/dialogs/panel_eeschema_display_options.cpp
index 127b8b7144..5ba84279d3 100644
--- a/eeschema/dialogs/panel_eeschema_display_options.cpp
+++ b/eeschema/dialogs/panel_eeschema_display_options.cpp
@@ -75,6 +75,7 @@ void PANEL_EESCHEMA_DISPLAY_OPTIONS::loadEEschemaSettings( EESCHEMA_SETTINGS* cf
     m_checkCrossProbeCenter->SetValue( cfg->m_CrossProbing.center_on_items );
     m_checkCrossProbeZoom->SetValue( cfg->m_CrossProbing.zoom_to_fit );
     m_checkCrossProbeAutoHighlight->SetValue( cfg->m_CrossProbing.auto_highlight );
+    m_checkCrossProbeFlash->SetValue( cfg->m_CrossProbing.flash_selection );
 }
 
 
@@ -117,6 +118,7 @@ bool PANEL_EESCHEMA_DISPLAY_OPTIONS::TransferDataFromWindow()
         cfg->m_CrossProbing.center_on_items = m_checkCrossProbeCenter->GetValue();
         cfg->m_CrossProbing.zoom_to_fit = m_checkCrossProbeZoom->GetValue();
         cfg->m_CrossProbing.auto_highlight = m_checkCrossProbeAutoHighlight->GetValue();
+    cfg->m_CrossProbing.flash_selection = m_checkCrossProbeFlash->GetValue();
     }
 
     m_galOptsPanel->TransferDataFromWindow();
diff --git a/eeschema/dialogs/panel_eeschema_display_options_base.cpp b/eeschema/dialogs/panel_eeschema_display_options_base.cpp
index bcc525681d..e8196ecc48 100644
--- a/eeschema/dialogs/panel_eeschema_display_options_base.cpp
+++ b/eeschema/dialogs/panel_eeschema_display_options_base.cpp
@@ -62,6 +62,10 @@ PANEL_EESCHEMA_DISPLAY_OPTIONS_BASE::PANEL_EESCHEMA_DISPLAY_OPTIONS_BASE( wxWind
 
 	bCrossProbingSizer->Add( m_checkCrossProbeAutoHighlight, 0, wxBOTTOM|wxRIGHT|wxLEFT, 5 );
 
+	m_checkCrossProbeFlash = new wxCheckBox( this, wxID_ANY, _("Flash cross-probed selection"), wxDefaultPosition, wxDefaultSize, 0 );
+	m_checkCrossProbeFlash->SetToolTip( _("Temporarily flash the newly cross-probed selection 3 times") );
+	bCrossProbingSizer->Add( m_checkCrossProbeFlash, 0, wxBOTTOM|wxRIGHT|wxLEFT, 5 );
+
 
 	bSizer8->Add( bCrossProbingSizer, 0, wxEXPAND|wxTOP|wxLEFT, 5 );
 
diff --git a/eeschema/dialogs/panel_eeschema_display_options_base.fbp b/eeschema/dialogs/panel_eeschema_display_options_base.fbp
index 794bd6d8d6..f4f05f5805 100644
--- a/eeschema/dialogs/panel_eeschema_display_options_base.fbp
+++ b/eeschema/dialogs/panel_eeschema_display_options_base.fbp
@@ -293,6 +293,71 @@
                         <property name="window_name"></property>
                         <property name="window_style"></property>
                       </object>
+                      <object class="sizeritem" expanded="false">
+                        <property name="border">5</property>
+                        <property name="flag">wxBOTTOM|wxRIGHT|wxLEFT</property>
+                        <property name="proportion">0</property>
+                        <object class="wxCheckBox" expanded="false">
+                          <property name="BottomDockable">1</property>
+                          <property name="LeftDockable">1</property>
+                          <property name="RightDockable">1</property>
+                          <property name="TopDockable">1</property>
+                          <property name="aui_layer">0</property>
+                          <property name="aui_name"></property>
+                          <property name="aui_position">0</property>
+                          <property name="aui_row">0</property>
+                          <property name="best_size"></property>
+                          <property name="bg"></property>
+                          <property name="caption"></property>
+                          <property name="caption_visible">1</property>
+                          <property name="center_pane">0</property>
+                          <property name="checked">1</property>
+                          <property name="close_button">1</property>
+                          <property name="context_help"></property>
+                          <property name="context_menu">1</property>
+                          <property name="default_pane">0</property>
+                          <property name="dock">Dock</property>
+                          <property name="dock_fixed">0</property>
+                          <property name="docking">Left</property>
+                          <property name="drag_accept_files">0</property>
+                          <property name="enabled">1</property>
+                          <property name="fg"></property>
+                          <property name="floatable">1</property>
+                          <property name="font"></property>
+                          <property name="gripper">0</property>
+                          <property name="hidden">0</property>
+                          <property name="id">wxID_ANY</property>
+                          <property name="label">Flash cross-probed selection</property>
+                          <property name="max_size"></property>
+                          <property name="maximize_button">0</property>
+                          <property name="maximum_size"></property>
+                          <property name="min_size"></property>
+                          <property name="minimize_button">0</property>
+                          <property name="minimum_size"></property>
+                          <property name="moveable">1</property>
+                          <property name="name">m_checkCrossProbeFlash</property>
+                          <property name="pane_border">1</property>
+                          <property name="pane_position"></property>
+                          <property name="pane_size"></property>
+                          <property name="permission">protected</property>
+                          <property name="pin_button">1</property>
+                          <property name="pos"></property>
+                          <property name="resize">Resizable</property>
+                          <property name="show">1</property>
+                          <property name="size"></property>
+                          <property name="style"></property>
+                          <property name="subclass">; ; forward_declare</property>
+                          <property name="toolbar_pane">0</property>
+                          <property name="tooltip">Temporarily flash the newly cross-probed selection 3 times</property>
+                          <property name="validator_data_type"></property>
+                          <property name="validator_style">wxFILTER_NONE</property>
+                          <property name="validator_type">wxDefaultValidator</property>
+                          <property name="validator_variable"></property>
+                          <property name="window_extra_style"></property>
+                          <property name="window_name"></property>
+                          <property name="window_style"></property>
+                        </object>
+                      </object>
                     </object>
                     <object class="sizeritem" expanded="false">
                       <property name="border">5</property>
diff --git a/eeschema/dialogs/panel_eeschema_display_options_base.h b/eeschema/dialogs/panel_eeschema_display_options_base.h
index 2650021dba..99171979ce 100644
--- a/eeschema/dialogs/panel_eeschema_display_options_base.h
+++ b/eeschema/dialogs/panel_eeschema_display_options_base.h
@@ -44,6 +44,7 @@ class PANEL_EESCHEMA_DISPLAY_OPTIONS_BASE : public RESETTABLE_PANEL
 		wxCheckBox* m_checkCrossProbeCenter;
 		wxCheckBox* m_checkCrossProbeZoom;
 		wxCheckBox* m_checkCrossProbeAutoHighlight;
+		wxCheckBox* m_checkCrossProbeFlash;
 		wxStaticText* m_appearanceLabel;
 		wxStaticLine* m_staticline1;
 		wxStaticText* m_defaultFontLabel;
diff --git a/eeschema/sch_edit_frame.cpp b/eeschema/sch_edit_frame.cpp
index 73ef10d643..b988fd259d 100644
--- a/eeschema/sch_edit_frame.cpp
+++ b/eeschema/sch_edit_frame.cpp
@@ -104,6 +104,7 @@
 #include <drawing_sheet/ds_proxy_view_item.h>
 #include <project/project_local_settings.h>
 #include <toolbars_sch_editor.h>
+#include <wx/log.h>
 
 #ifdef KICAD_IPC_API
 #include <api/api_plugin_manager.h>
@@ -157,6 +158,9 @@ SCH_EDIT_FRAME::SCH_EDIT_FRAME( KIWAY* aKiway, wxWindow* aParent ) :
     m_syncingPcbToSchSelection = false;
     m_aboutTitle = _HKI( "KiCad Schematic Editor" );
     m_show_search = false;
+    // Ensure timer has an owner before binding so it generates events.
+    m_crossProbeFlashTimer.SetOwner( this );
+    Bind( wxEVT_TIMER, &SCH_EDIT_FRAME::OnCrossProbeFlashTimer, this, m_crossProbeFlashTimer.GetId() );
 
     // Give an icon
     wxIcon icon;
@@ -434,6 +438,95 @@ SCH_EDIT_FRAME::SCH_EDIT_FRAME( KIWAY* aKiway, wxWindow* aParent ) :
     Bind( EDA_EVT_CLOSE_DIALOG_SYMBOL_FIELDS_TABLE, &SCH_EDIT_FRAME::onCloseSymbolFieldsTableDialog, this );
 }
 
+void SCH_EDIT_FRAME::StartCrossProbeFlash( const std::vector<SCH_ITEM*>& aItems )
+{
+    if( !eeconfig()->m_CrossProbing.flash_selection )
+    {
+        wxLogTrace( "CROSS_PROBE_FLASH", "StartCrossProbeFlash: aborted (setting disabled) items=%zu", aItems.size() );
+        return;
+    }
+    if( aItems.empty() )
+    {
+        wxLogTrace( "CROSS_PROBE_FLASH", "StartCrossProbeFlash: aborted (no items)" );
+        return;
+    }
+
+    if( m_crossProbeFlashing )
+    {
+        wxLogTrace( "CROSS_PROBE_FLASH", "StartCrossProbeFlash: restarting existing flash (phase=%d)", m_crossProbeFlashPhase );
+        m_crossProbeFlashTimer.Stop();
+    }
+
+    wxLogTrace( "CROSS_PROBE_FLASH", "StartCrossProbeFlash: starting with %zu items", aItems.size() );
+    m_crossProbeFlashItems.clear();
+    for( SCH_ITEM* it : aItems )
+        m_crossProbeFlashItems.push_back( it->m_Uuid );
+
+    m_crossProbeFlashPhase = 0;
+    m_crossProbeFlashing = true;
+    if( !m_crossProbeFlashTimer.GetOwner() )
+        m_crossProbeFlashTimer.SetOwner( this );
+
+    bool started = m_crossProbeFlashTimer.Start( 500, wxTIMER_CONTINUOUS );
+    wxLogTrace( "CROSS_PROBE_FLASH", "StartCrossProbeFlash: timer start=%d id=%d", (int) started, m_crossProbeFlashTimer.GetId() );
+}
+
+
+void SCH_EDIT_FRAME::OnCrossProbeFlashTimer( wxTimerEvent& aEvent )
+{
+    wxLogTrace( "CROSS_PROBE_FLASH", "Timer(SCH) fired: phase=%d running=%d items=%zu", m_crossProbeFlashPhase, (int) m_crossProbeFlashing, m_crossProbeFlashItems.size() );
+
+    if( !m_crossProbeFlashing )
+    {
+        wxLogTrace( "CROSS_PROBE_FLASH", "Timer fired but not flashing (ignored)" );
+        return;
+    }
+
+    SCH_SELECTION_TOOL* selTool = GetToolManager()->GetTool<SCH_SELECTION_TOOL>();
+    if( !selTool )
+        return;
+
+    bool prevGuard = m_syncingPcbToSchSelection;
+    m_syncingPcbToSchSelection = true;
+
+    if( m_crossProbeFlashPhase % 2 == 0 )
+    {
+        selTool->ClearSelection( true );
+        wxLogTrace( "CROSS_PROBE_FLASH", "Phase %d: cleared selection", m_crossProbeFlashPhase );
+    }
+    else
+    {
+        for( const KIID& id : m_crossProbeFlashItems )
+        {
+            if( SCH_ITEM* item = Schematic().ResolveItem( id, nullptr, true ) )
+                selTool->AddItemToSel( item, true );
+        }
+        wxLogTrace( "CROSS_PROBE_FLASH", "Phase %d: restored %zu items", m_crossProbeFlashPhase, m_crossProbeFlashItems.size() );
+    }
+
+    if( GetCanvas() )
+    {
+        GetCanvas()->ForceRefresh();
+        wxLogTrace( "CROSS_PROBE_FLASH", "Phase %d: forced canvas refresh", m_crossProbeFlashPhase );
+    }
+
+    m_syncingPcbToSchSelection = prevGuard;
+    m_crossProbeFlashPhase++;
+
+    if( m_crossProbeFlashPhase > 6 )
+    {
+        for( const KIID& id : m_crossProbeFlashItems )
+        {
+            if( SCH_ITEM* item = Schematic().ResolveItem( id, nullptr, true ) )
+                selTool->AddItemToSel( item, true );
+        }
+
+        m_crossProbeFlashing = false;
+        m_crossProbeFlashTimer.Stop();
+        wxLogTrace( "CROSS_PROBE_FLASH", "Flashing complete. Final selection size=%zu", m_crossProbeFlashItems.size() );
+    }
+}
+
 
 SCH_EDIT_FRAME::~SCH_EDIT_FRAME()
 {
diff --git a/eeschema/sch_edit_frame.h b/eeschema/sch_edit_frame.h
index f99e0ffca0..ffe661f31e 100644
--- a/eeschema/sch_edit_frame.h
+++ b/eeschema/sch_edit_frame.h
@@ -989,6 +989,9 @@ private:
 
     void CaptureHierarchyPaneSize();
 
+    void StartCrossProbeFlash( const std::vector<SCH_ITEM*>& aItems );
+    void OnCrossProbeFlashTimer( wxTimerEvent& aEvent );
+
 private:
     // The schematic editor control class should be able to access some internal
     // functions of the editor frame.
@@ -1015,6 +1018,11 @@ private:
     wxTreeCtrl*                 m_netNavigator;
 
 	bool                        m_syncingPcbToSchSelection; // Recursion guard when synchronizing selection from PCB
+    // Cross-probe flashing support
+    wxTimer                     m_crossProbeFlashTimer;   ///< Timer to toggle selection visibility
+    int                         m_crossProbeFlashPhase = 0;
+    std::vector<KIID>           m_crossProbeFlashItems;   ///< Items to flash
+    bool                        m_crossProbeFlashing = false;
     bool                        m_show_search;
     bool                        m_highlightedConnChanged;
 
diff --git a/include/settings/app_settings.h b/include/settings/app_settings.h
index cab282471b..d9055ff91f 100644
--- a/include/settings/app_settings.h
+++ b/include/settings/app_settings.h
@@ -34,6 +34,7 @@ struct KICOMMON_API CROSS_PROBING_SETTINGS
     bool center_on_items; ///< Automatically pan to cross-probed items.
     bool zoom_to_fit;     ///< Zoom to fit items (ignored if center_on_items is off).
     bool auto_highlight;  ///< Automatically turn on highlight mode in the target frame.
+    bool flash_selection; ///< Flash newly cross-probed selection (visual attention aid).
 };
 
 namespace KIGFX
diff --git a/pcbnew/cross-probing.cpp b/pcbnew/cross-probing.cpp
index c414e5cf8d..ae2a6b0180 100644
--- a/pcbnew/cross-probing.cpp
+++ b/pcbnew/cross-probing.cpp
@@ -645,6 +645,25 @@ void PCB_EDIT_FRAME::KiwayMailIn( KIWAY_EXPRESS& mail )
             Update3DView( false, GetPcbNewSettings()->m_Display.m_Live3DRefresh );
 
             m_probingSchToPcb = false;
+
+            if( GetPcbNewSettings()->m_CrossProbing.flash_selection )
+            {
+                wxLogTrace( "CROSS_PROBE_FLASH", "MAIL_SELECTION(_FORCE) PCB: flash enabled, items=%zu", items.size() );
+                if( items.empty() )
+                {
+                    wxLogTrace( "CROSS_PROBE_FLASH", "MAIL_SELECTION(_FORCE) PCB: nothing to flash" );
+                }
+                else
+                {
+                    std::vector<BOARD_ITEM*> boardItems;
+                    std::copy( items.begin(), items.end(), std::back_inserter( boardItems ) );
+                    StartCrossProbeFlash( boardItems );
+                }
+            }
+            else
+            {
+                wxLogTrace( "CROSS_PROBE_FLASH", "MAIL_SELECTION(_FORCE) PCB: flash disabled" );
+            }
         }
 
         break;
diff --git a/pcbnew/dialogs/panel_display_options.cpp b/pcbnew/dialogs/panel_display_options.cpp
index 9ae4591dd3..27be30aa06 100644
--- a/pcbnew/dialogs/panel_display_options.cpp
+++ b/pcbnew/dialogs/panel_display_options.cpp
@@ -222,6 +222,7 @@ void PANEL_DISPLAY_OPTIONS::loadPCBSettings( PCBNEW_SETTINGS* aCfg )
     m_checkCrossProbeCenter->SetValue( aCfg->m_CrossProbing.center_on_items );
     m_checkCrossProbeZoom->SetValue( aCfg->m_CrossProbing.zoom_to_fit );
     m_checkCrossProbeAutoHighlight->SetValue( aCfg->m_CrossProbing.auto_highlight );
+    m_checkCrossProbeFlash->SetValue( aCfg->m_CrossProbing.flash_selection );
 }
 
 
@@ -353,6 +354,7 @@ bool PANEL_DISPLAY_OPTIONS::TransferDataFromWindow()
             cfg->m_CrossProbing.center_on_items = m_checkCrossProbeCenter->GetValue();
             cfg->m_CrossProbing.zoom_to_fit = m_checkCrossProbeZoom->GetValue();
             cfg->m_CrossProbing.auto_highlight = m_checkCrossProbeAutoHighlight->GetValue();
+            cfg->m_CrossProbing.flash_selection = m_checkCrossProbeFlash->GetValue();
         }
     }
     else
diff --git a/pcbnew/dialogs/panel_display_options_base.cpp b/pcbnew/dialogs/panel_display_options_base.cpp
index 36016fc972..ec52ace56f 100644
--- a/pcbnew/dialogs/panel_display_options_base.cpp
+++ b/pcbnew/dialogs/panel_display_options_base.cpp
@@ -244,6 +244,10 @@ PANEL_DISPLAY_OPTIONS_BASE::PANEL_DISPLAY_OPTIONS_BASE( wxWindow* parent, wxWind
 
 	bSizer8->Add( m_checkCrossProbeAutoHighlight, 0, wxBOTTOM|wxRIGHT|wxLEFT, 5 );
 
+	m_checkCrossProbeFlash = new wxCheckBox( pcbPage, wxID_ANY, _("Flash cross-probed selection"), wxDefaultPosition, wxDefaultSize, 0 );
+	m_checkCrossProbeFlash->SetToolTip( _("Temporarily flash the newly cross-probed selection 3 times") );
+	bSizer8->Add( m_checkCrossProbeFlash, 0, wxBOTTOM|wxRIGHT|wxLEFT, 5 );
+
 	m_live3Drefresh = new wxCheckBox( pcbPage, wxID_ANY, _("Refresh 3D view automatically"), wxDefaultPosition, wxDefaultSize, 0 );
 	m_live3Drefresh->SetToolTip( _("When enabled, edits to the board will cause the 3D view to refresh (may be slow with larger boards)") );
 
diff --git a/pcbnew/dialogs/panel_display_options_base.fbp b/pcbnew/dialogs/panel_display_options_base.fbp
index 11e97a07e1..40a57f4b94 100644
--- a/pcbnew/dialogs/panel_display_options_base.fbp
+++ b/pcbnew/dialogs/panel_display_options_base.fbp
@@ -2135,6 +2135,71 @@
                                   <property name="window_style"></property>
                                 </object>
                               </object>
+                              <object class="sizeritem" expanded="false">
+                                <property name="border">5</property>
+                                <property name="flag">wxBOTTOM|wxLEFT|wxRIGHT</property>
+                                <property name="proportion">0</property>
+                                <object class="wxCheckBox" expanded="false">
+                                  <property name="BottomDockable">1</property>
+                                  <property name="LeftDockable">1</property>
+                                  <property name="RightDockable">1</property>
+                                  <property name="TopDockable">1</property>
+                                  <property name="aui_layer">0</property>
+                                  <property name="aui_name"></property>
+                                  <property name="aui_position">0</property>
+                                  <property name="aui_row">0</property>
+                                  <property name="best_size"></property>
+                                  <property name="bg"></property>
+                                  <property name="caption"></property>
+                                  <property name="caption_visible">1</property>
+                                  <property name="center_pane">0</property>
+                                  <property name="checked">1</property>
+                                  <property name="close_button">1</property>
+                                  <property name="context_help"></property>
+                                  <property name="context_menu">1</property>
+                                  <property name="default_pane">0</property>
+                                  <property name="dock">Dock</property>
+                                  <property name="dock_fixed">0</property>
+                                  <property name="docking">Left</property>
+                                  <property name="drag_accept_files">0</property>
+                                  <property name="enabled">1</property>
+                                  <property name="fg"></property>
+                                  <property name="floatable">1</property>
+                                  <property name="font"></property>
+                                  <property name="gripper">0</property>
+                                  <property name="hidden">0</property>
+                                  <property name="id">wxID_ANY</property>
+                                  <property name="label">Flash cross-probed selection</property>
+                                  <property name="max_size"></property>
+                                  <property name="maximize_button">0</property>
+                                  <property name="maximum_size"></property>
+                                  <property name="min_size"></property>
+                                  <property name="minimize_button">0</property>
+                                  <property name="minimum_size"></property>
+                                  <property name="moveable">1</property>
+                                  <property name="name">m_checkCrossProbeFlash</property>
+                                  <property name="pane_border">1</property>
+                                  <property name="pane_position"></property>
+                                  <property name="pane_size"></property>
+                                  <property name="permission">protected</property>
+                                  <property name="pin_button">1</property>
+                                  <property name="pos"></property>
+                                  <property name="resize">Resizable</property>
+                                  <property name="show">1</property>
+                                  <property name="size"></property>
+                                  <property name="style"></property>
+                                  <property name="subclass">; ; forward_declare</property>
+                                  <property name="toolbar_pane">0</property>
+                                  <property name="tooltip">Temporarily flash the newly cross-probed selection 3 times</property>
+                                  <property name="validator_data_type"></property>
+                                  <property name="validator_style">wxFILTER_NONE</property>
+                                  <property name="validator_type">wxDefaultValidator</property>
+                                  <property name="validator_variable"></property>
+                                  <property name="window_extra_style"></property>
+                                  <property name="window_name"></property>
+                                  <property name="window_style"></property>
+                                </object>
+                              </object>
                               <object class="sizeritem" expanded="false">
                                 <property name="border">5</property>
                                 <property name="flag">wxBOTTOM|wxLEFT|wxRIGHT</property>
diff --git a/pcbnew/dialogs/panel_display_options_base.h b/pcbnew/dialogs/panel_display_options_base.h
index d524937025..e8de43ced7 100644
--- a/pcbnew/dialogs/panel_display_options_base.h
+++ b/pcbnew/dialogs/panel_display_options_base.h
@@ -72,6 +72,7 @@ class PANEL_DISPLAY_OPTIONS_BASE : public RESETTABLE_PANEL
 		wxCheckBox* m_checkCrossProbeCenter;
 		wxCheckBox* m_checkCrossProbeZoom;
 		wxCheckBox* m_checkCrossProbeAutoHighlight;
+		wxCheckBox* m_checkCrossProbeFlash;
 		wxCheckBox* m_live3Drefresh;
 
 		// Virtual event handlers, override them in your derived class
diff --git a/pcbnew/pcb_edit_frame.cpp b/pcbnew/pcb_edit_frame.cpp
index ae3b55562d..68a7299bba 100644
--- a/pcbnew/pcb_edit_frame.cpp
+++ b/pcbnew/pcb_edit_frame.cpp
@@ -115,6 +115,7 @@
 #include <footprint_viewer_frame.h>
 #include <footprint_chooser_frame.h>
 #include <toolbars_pcb_editor.h>
+#include <wx/log.h>
 
 #ifdef KICAD_IPC_API
 #include <api/api_server.h>
@@ -198,6 +199,9 @@ PCB_EDIT_FRAME::PCB_EDIT_FRAME( KIWAY* aKiway, wxWindow* aParent ) :
     m_probingSchToPcb = false;
     m_show_search = false;
     m_show_net_inspector = false;
+    // Ensure timer has an owner before binding so it generates events.
+    m_crossProbeFlashTimer.SetOwner( this );
+    Bind( wxEVT_TIMER, &PCB_EDIT_FRAME::OnCrossProbeFlashTimer, this, m_crossProbeFlashTimer.GetId() );
 
     // We don't know what state board was in when it was last saved, so we have to
     // assume dirty
@@ -569,6 +573,100 @@ PCB_EDIT_FRAME::PCB_EDIT_FRAME( KIWAY* aKiway, wxWindow* aParent ) :
     Bind( EDA_EVT_CLOSE_DIALOG_BOOK_REPORTER, &PCB_EDIT_FRAME::onCloseModelessBookReporterDialogs, this );
 }
 
+void PCB_EDIT_FRAME::StartCrossProbeFlash( const std::vector<BOARD_ITEM*>& aItems )
+{
+    if( !GetPcbNewSettings()->m_CrossProbing.flash_selection )
+    {
+        wxLogTrace( "CROSS_PROBE_FLASH", "StartCrossProbeFlash(PCB): aborted (setting disabled) items=%zu", aItems.size() );
+        return;
+    }
+
+    if( aItems.empty() )
+    {
+        wxLogTrace( "CROSS_PROBE_FLASH", "StartCrossProbeFlash(PCB): aborted (no items)" );
+        return;
+    }
+
+    if( m_crossProbeFlashing )
+    {
+        wxLogTrace( "CROSS_PROBE_FLASH", "StartCrossProbeFlash(PCB): restarting existing flash (phase=%d)" , m_crossProbeFlashPhase );
+        m_crossProbeFlashTimer.Stop();
+    }
+
+    wxLogTrace( "CROSS_PROBE_FLASH", "StartCrossProbeFlash(PCB): starting with %zu items", aItems.size() );
+    // Store uuids
+    m_crossProbeFlashItems.clear();
+    for( BOARD_ITEM* it : aItems )
+        m_crossProbeFlashItems.push_back( it->m_Uuid );
+
+    m_crossProbeFlashPhase = 0;
+    m_crossProbeFlashing = true;
+    if( !m_crossProbeFlashTimer.GetOwner() )
+        m_crossProbeFlashTimer.SetOwner( this );
+
+    bool started = m_crossProbeFlashTimer.Start( 500, wxTIMER_CONTINUOUS ); // 0.5s intervals -> 3s total for 6 phases
+    wxLogTrace( "CROSS_PROBE_FLASH", "StartCrossProbeFlash(PCB): timer start=%d id=%d", (int) started, m_crossProbeFlashTimer.GetId() );
+}
+
+void PCB_EDIT_FRAME::OnCrossProbeFlashTimer( wxTimerEvent& aEvent )
+{
+    wxLogTrace( "CROSS_PROBE_FLASH", "Timer(PCB) fired: phase=%d running=%d items=%zu", m_crossProbeFlashPhase, (int) m_crossProbeFlashing, m_crossProbeFlashItems.size() );
+
+    if( !m_crossProbeFlashing )
+    {
+        wxLogTrace( "CROSS_PROBE_FLASH", "Timer(PCB) fired but not flashing (ignored)" );
+        return;
+    }
+
+    PCB_SELECTION_TOOL* selTool = GetToolManager()->GetTool<PCB_SELECTION_TOOL>();
+    if( !selTool )
+        return;
+
+    // Prevent recursion / IPC during flashing
+    bool prevGuard = m_probingSchToPcb;
+    m_probingSchToPcb = true;
+
+    if( m_crossProbeFlashPhase % 2 == 0 )
+    {
+        // Hide selection
+        selTool->ClearSelection( true );
+        wxLogTrace( "CROSS_PROBE_FLASH", "Phase %d (PCB): cleared selection", m_crossProbeFlashPhase );
+    }
+    else
+    {
+        // Restore selection
+        for( const KIID& id : m_crossProbeFlashItems )
+        {
+            if( EDA_ITEM* item = GetBoard()->ResolveItem( id, true ) )
+                selTool->AddItemToSel( item, true );
+        }
+        wxLogTrace( "CROSS_PROBE_FLASH", "Phase %d (PCB): restored %zu items", m_crossProbeFlashPhase, m_crossProbeFlashItems.size() );
+    }
+
+    // Force a redraw even if the canvas / frame does not currently have focus (mouse elsewhere)
+    if( GetCanvas() )
+    {
+        GetCanvas()->ForceRefresh();
+        wxLogTrace( "CROSS_PROBE_FLASH", "Phase %d (PCB): forced canvas refresh", m_crossProbeFlashPhase );
+    }
+
+    m_probingSchToPcb = prevGuard;
+
+    m_crossProbeFlashPhase++;
+    if( m_crossProbeFlashPhase > 6 )
+    {
+        // Ensure final state (selected)
+        for( const KIID& id : m_crossProbeFlashItems )
+        {
+            if( EDA_ITEM* item = GetBoard()->ResolveItem( id, true ) )
+                selTool->AddItemToSel( item, true );
+        }
+        m_crossProbeFlashing = false;
+        m_crossProbeFlashTimer.Stop();
+        wxLogTrace( "CROSS_PROBE_FLASH", "Flashing complete (PCB). Final selection size=%zu", m_crossProbeFlashItems.size() );
+    }
+}
+
 
 PCB_EDIT_FRAME::~PCB_EDIT_FRAME()
 {
diff --git a/pcbnew/pcb_edit_frame.h b/pcbnew/pcb_edit_frame.h
index 4463015add..697f941a68 100644
--- a/pcbnew/pcb_edit_frame.h
+++ b/pcbnew/pcb_edit_frame.h
@@ -823,6 +823,15 @@ public:
 
     bool m_probingSchToPcb;         // Recursion guard when synchronizing selection from schematic
 
+    // Cross-probe flashing support
+    wxTimer        m_crossProbeFlashTimer;   ///< Timer to toggle selection visibility for flash
+    int            m_crossProbeFlashPhase = 0; ///< Phase counter
+    std::vector<KIID> m_crossProbeFlashItems;  ///< Items to flash (by UUID)
+    bool           m_crossProbeFlashing = false; ///< Currently flashing guard
+
+    void StartCrossProbeFlash( const std::vector<BOARD_ITEM*>& aItems );
+    void OnCrossProbeFlashTimer( wxTimerEvent& aEvent );
+
 private:
     friend struct PCB::IFACE;
     friend class APPEARANCE_CONTROLS;