You are bidding on a used Engine Computer/ECU removed from a 1996 Toyota Celica GT with a Manual Transmission and the 1.8L 7A-FE Engine. AS far as I know this ECU was only compatible with 1994 and 1995 Celica Model Years. The Denso Part Number is 175700-5631 and the Toyota Part Number is 89661-2B770.  Please make sure that if you bid on this ECU, the unit that you are replacing has either the same ID number or is otherwise compatible. This Unit was tested on a running Engine and works Perfectly. As an extra Bonus you get a Complete Set of pig-tailed Input Connectors. I am willing to Guarantee that you are completely satisfied with this item or your purchase price will be refunded. However, it must be returned at your expense and the original Shipping, packaging, and handling charges are non refundable under any circumstances.