Service manual
Electrical Service Manual V4.0 
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CENTRAL COMMAND I
1227
Used on models:
 Factory Cat: 38, 40, 48, 52
 Tomcat:   3700, 4700, 5100
Definitive characteristics:
 Labeled Curtis 1227 on the face
 Has an orange diagnostic code LED
 Has a 4 pin, 16 pin and 4 lug style connectors.
 Has an aluminum back plate
Diagnostics
 See Chapter 4
1213
Used on models:
 Factory Cat: 38, 40, 48, 52
 Tomcat:   3700, 4700, 5100
Definitive characteristics:
 Is labelled Curtis 1213 on the face label,
 Sliding door that covers 3 micro potentiometers.
 Has only one 16 pin molex and 4 lug style connectors.
 Has NO flash code LED
 Has an aluminum back plate
Diagnostics
 See Chapter 3
Note: The 1213 controller was replaced by the 1227 con-
troller beginning February, 1997 production. Serial num-
bers with the new controller began with “EB”.










