The first generation Celica was released to the Japanese market in late 1970. For export markets, the Celica was offered in three different levels of trim; LT, ST and GT. The lower-end LT was equipped with the single carbureted four-cylinder 2T engine displacing 1600cc, while the ST came with a twin downdraft-carburetor 2T-B engine. The 2T-G that powered the high-end GT model was a DOHC 1600 cc engine equipped with twin Mikuni-Solex Carburetors.
The following radio wiring diagram apply for Toyota Celica 1990 model year. Here you will find detail illustration and description about the electrical schematics and wiring diagram of Celica 1990 which includes components such as power source system, junction connector, LH and RH Door Speaker, Rear Speaker, Tweeter, Stereo Component Amplifier, Front Speaker, CIG and Radio, Power Antenna, Parts Location, Junction Block and Wire Harness Connector, Connector Joining Wire and Wire Harness, Ground Points, Splice Points, and Console Box Wire.