1989 Cadillac Brougham need help changing my EMC

1989 CADILLAC FLEETWOOD BROUGHAM
13,000 MILES • 5.0L • V8 • RWD • AUTOMATIC
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BIG FLETCH
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  • 1 POST
code 53 faulty emc
Apr 8, 2015 at 11:23 AM
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HMAC300
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that is obd 1 it's remove it, unplug it,then take out prom inside ecm transfer prom to new ecm and plug in and go.
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Apr 8, 2015 at 11:59 AM