1996 Buick Riviera Cat reject, for 1 year now

1996 BUICK RIVIERA
150,000 MILES
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96RIV
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On 1996 Riviera, ecm/ecu wont throw a code at e-check, for a year now. Where is the ecm/ecu located on a 1996 Buick Riviera? I plan on swapping it out with a working computer from a parts car. Thanks!!
Sep 8, 2013 at 6:29 PM
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JACOBANDNICKOLAS
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It should be in the engine compartment. See attached picture.
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Sep 8, 2013 at 6:43 PM
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96RIV
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I found it - it's actually behind the glovebox on 1996 Buick Riviera Supercharged...
Sep 10, 2013 at 2:06 PM
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JACOBANDNICKOLAS
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Glad you found it.
Sep 10, 2013 at 5:37 PM