Index: services/Fitment/fitment.service.ts
===================================================================
diff -u -r5b818f06be083386b111adbc6f878011b6410c3e -rdf4bd854cd5919180edd8440f3901addf39e12b1
--- services/Fitment/fitment.service.ts	(.../fitment.service.ts)	(revision 5b818f06be083386b111adbc6f878011b6410c3e)
+++ services/Fitment/fitment.service.ts	(.../fitment.service.ts)	(revision df4bd854cd5919180edd8440f3901addf39e12b1)
@@ -36,8 +36,8 @@
         get: (makeId: Id, modelId:number):Promise<IModel> => api.get(`make/${makeId}/model/${modelId}`)
             .then(api.getResults),
         merge: (destModel:IModel, srcModel:IModel) => api.post(
-            `make/${destModel.makeId}/model/${destModel.modelId}/merge`,
-            {srcModelId: srcModel.modelId}
+            `make/${destModel.makeId}/model/${srcModel.modelId}/merge`,
+            {srcModelId: destModel.modelId}
         ),
         year: {
             delete: (makeId:number,modelId:number,modelYearId:number) =>