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This E.C.M. fits the following vehicles: 1994 5.7L Pontiac Firebird Formula & Firebird Trans Am. The knock module is a computer chip that is located under the plate held by two screws on the computer.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.