diff --git a/RecoHI/Configuration/python/customise_ECALsequence.py b/RecoHI/Configuration/python/customise_ECALsequence.py
new file mode 100644
index 0000000000000..7fe57e179e2b7
--- /dev/null
+++ b/RecoHI/Configuration/python/customise_ECALsequence.py
@@ -0,0 +1,20 @@
+import FWCore.ParameterSet.Config as cms
+
+def changeHeavyIonsToUseECALGlobalFit(process) :
+    if hasattr (process, "caloReco") :
+        process.load('RecoLocalCalo.EcalRecProducers.ecalGlobalUncalibRecHit_cfi')
+        process.ecalUncalibRecHitSequenceHI = cms.Sequence(process.ecalGlobalUncalibRecHit*
+                                                           process.ecalDetIdToBeRecovered)
+        process.ecalLocalRecoSequenceHI     = cms.Sequence(process.ecalUncalibRecHitSequenceHI*
+                                                           process.ecalRecHitSequence)
+        process.ecalRecHit.EEuncalibRecHitCollection = cms.InputTag("ecalGlobalUncalibRecHit","EcalUncalibRecHitsEE")
+        process.ecalRecHit.EBuncalibRecHitCollection = cms.InputTag("ecalGlobalUncalibRecHit","EcalUncalibRecHitsEB")
+        process.caloReco.replace(process.ecalUncalibRecHitSequence, process.ecalUncalibRecHitSequenceHI)
+
+    if hasattr (process, "ecalMonitorTask") :
+        process.ecalMonitorTask.collectionTags.EBUncalibRecHit = cms.untracked.InputTag("ecalGlobalUncalibRecHit","EcalUncalibRecHitsEB")
+        process.ecalMonitorTask.collectionTags.EEUncalibRecHit = cms.untracked.InputTag("ecalGlobalUncalibRecHit","EcalUncalibRecHitsEE")
+        process.ecalMonitorTask.collectionTags.EBLaserLedUncalibRecHit = cms.untracked.InputTag("ecalGlobalUncalibRecHit","EcalUncalibRecHitsEB")
+        process.ecalMonitorTask.collectionTags.EELaserLedUncalibRecHit = cms.untracked.InputTag("ecalGlobalUncalibRecHit","EcalUncalibRecHitsEE")
+
+    return process