Reatta Owners Journal

Thanks to Padgett for this information. - performanceresearch.us/padgett

The Black (and silver) Boxes of the 88-89 Reatta


(90-91 has less and different)


From top to bottom, left to right:
First Row: Instrument Panel Cluster (IPC), Cathode Ray Tube (CRT), Body Control Module
Second Row: Central Power Supply, Cassette Player, (upper) Engine Control Module (ECM), (lower) HVAC programmer
Bottom Row: CRT Controller, Radio, TEVES ABS Controller



Top row, from left: Magnavox ignition module, Magnavox Coilpack, Reatta CRT, Riviera CRT
Second Row Center to right: Compass Module, HVAC Blower Module, Headlamp Motor
Bottom Row: Delco Ignition Coil (1 of 3), Delco Ignition Module, Power Antenna








The following four devices are all Engine Control Modules. Note the long slender access cover held in place by two screws. The two on top are service replacement modules. The one on the bottom left with the access cover off is an original unit and has the PROM ID on the upper right corner of the sticker. On the bottom right is a aftermarket replacement that services both modules. I have not found any difference between the 1228253 and the 16198264 other than the part number. It might be a difference in suppliers. Note: as of Dec 2006, GM has superseded both the -253 and -264 with a p/n 88999198



 Thanks to Padgett, member of the Reatta forums, for this information.


 

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