diff --git a/src/Runway.php b/src/Runway.php
index 053191a2..f7e08db5 100644
--- a/src/Runway.php
+++ b/src/Runway.php
@@ -77,6 +77,13 @@ public static function registerResource(string $model, array $config): self
         return new static;
     }
 
+    public static function clearRegisteredResources(): self
+    {
+        static::$registeredResources = [];
+
+        return new static;
+    }
+
     public static function usesRouting(): bool
     {
         return static::allResources()->filter->hasRouting()->count() >= 1;
diff --git a/src/Traits/HasRunwayResource.php b/src/Traits/HasRunwayResource.php
index abaafba3..9a3658e7 100644
--- a/src/Traits/HasRunwayResource.php
+++ b/src/Traits/HasRunwayResource.php
@@ -3,7 +3,6 @@
 namespace StatamicRadPack\Runway\Traits;
 
 use Illuminate\Contracts\Database\Eloquent\Builder;
-use Illuminate\Support\Facades\Schema;
 use Illuminate\Support\Str;
 use Statamic\Contracts\Data\Augmented;
 use Statamic\Contracts\Revisions\Revision;
@@ -58,7 +57,7 @@ public function scopeRunway(Builder $query)
     public function scopeRunwaySearch(Builder $query, string $searchQuery)
     {
         $this->runwayResource()->blueprint()->fields()->all()
-            ->filter(fn (Field $field) => Schema::hasColumn($this->getTable(), $field->handle()))
+            ->filter(fn (Field $field) => $this->getConnection()->getSchemaBuilder()->hasColumn($this->getTable(), $field->handle()))
             ->reject(fn (Field $field) => $field->visibility() === 'computed')
             ->each(fn (Field $field) => $query->orWhere($this->getColumnForField($field->handle()), 'LIKE', '%'.$searchQuery.'%'));
     }
diff --git a/tests/HasRunwayResourceTest.php b/tests/HasRunwayResourceTest.php
new file mode 100644
index 00000000..e8e9b86a
--- /dev/null
+++ b/tests/HasRunwayResourceTest.php
@@ -0,0 +1,51 @@
+<?php
+
+namespace StatamicRadPack\Runway\Tests;
+
+use Illuminate\Support\Facades\Config;
+use Illuminate\Support\Facades\Schema;
+use PHPUnit\Framework\Attributes\Test;
+use StatamicRadPack\Runway\Runway;
+use StatamicRadPack\Runway\Tests\Fixtures\Models\ExternalPost;
+
+class HasRunwayResourceTest extends TestCase
+{
+    #[Test]
+    public function scope_runway_search_works_with_custom_eloquent_connection()
+    {
+        Config::set('database.connections.external', [
+            'driver' => 'sqlite',
+            'database' => ':memory:',
+            'prefix' => '',
+        ]);
+
+        Schema::connection('external')->create('external_posts', function ($table) {
+            $table->id();
+            $table->string('title');
+            $table->longText('body');
+            $table->timestamps();
+        });
+
+        Runway::registerResource(ExternalPost::class, []);
+
+        ExternalPost::create([
+            'title' => 'Test External Post',
+            'body' => 'This is the body of the test post.',
+        ]);
+
+        ExternalPost::create([
+            'title' => 'Another Post',
+            'body' => 'This is different content.',
+        ]);
+
+        ExternalPost::create([
+            'title' => 'Something Else',
+            'body' => 'No matching content here.',
+        ]);
+
+        $results = ExternalPost::query()->runwaySearch('Test External')->get();
+
+        $this->assertCount(1, $results);
+        $this->assertEquals('Test External Post', $results->first()->title);
+    }
+}
diff --git a/tests/TestCase.php b/tests/TestCase.php
index cadcbcbc..fb23bff6 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -8,6 +8,7 @@
 use Statamic\Stache\Stores\UsersStore;
 use Statamic\Statamic;
 use Statamic\Testing\AddonTestCase;
+use StatamicRadPack\Runway\Runway;
 use StatamicRadPack\Runway\ServiceProvider;
 
 abstract class TestCase extends AddonTestCase
@@ -52,6 +53,8 @@ protected function resolveApplicationConfiguration($app)
         Statamic::booted(function () {
             Blueprint::setDirectory(__DIR__.'/__fixtures__/resources/blueprints');
         });
+
+        Runway::clearRegisteredResources();
     }
 
     protected function getPackageProviders($app): array
diff --git a/tests/__fixtures__/app/Models/ExternalPost.php b/tests/__fixtures__/app/Models/ExternalPost.php
new file mode 100644
index 00000000..857b8576
--- /dev/null
+++ b/tests/__fixtures__/app/Models/ExternalPost.php
@@ -0,0 +1,20 @@
+<?php
+
+namespace StatamicRadPack\Runway\Tests\Fixtures\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use StatamicRadPack\Runway\Traits\HasRunwayResource;
+
+class ExternalPost extends Model
+{
+    use HasRunwayResource;
+
+    protected $connection = 'external';
+
+    protected $table = 'external_posts';
+
+    protected $fillable = [
+        'title',
+        'body',
+    ];
+}
diff --git a/tests/__fixtures__/resources/blueprints/vendor/runway/external_post.yaml b/tests/__fixtures__/resources/blueprints/vendor/runway/external_post.yaml
new file mode 100644
index 00000000..71ce191e
--- /dev/null
+++ b/tests/__fixtures__/resources/blueprints/vendor/runway/external_post.yaml
@@ -0,0 +1,16 @@
+tabs:
+  main:
+    sections:
+      -
+        fields:
+          -
+            handle: title
+            field:
+              type: text
+              listable: true
+          -
+            handle: body
+            field:
+              type: textarea
+  sidebar:
+    fields: {  }