Im trying to retrieve codes from a 1990 geo, prizm. Found no DLC under the dash. Is it under the hood? I found what might be the connection but i must input individual wires. I don't what wire color goes where
Cars & Trucks - Geo - Prizm - 1990 Geo Prizm
Answers & Comments
DIAGNOSTIC TERMINAL IS UNDER THE HOOD IN WHICH YOU FOUND. WITH IGNITION SWITCH ON POSITION USE JUMPER WIRE TO TERMINAL T AND E1 OF THE DIAGNOSTIC CONNECTOR.YOU NEED ECM CODE BOOK.THE CHECK ENGINE FLASHES WILL BE YOUR CODES.TWO FLASHES AND PAUSE THEN THREE MORE FLASHES IS CODE 23.THAT HOW YOU DO IT.TO ERASE CODES AFTER THE REPAIR.REMOVE NEGATIVE BATTERY CABLE FOR 1 MINUTE TO REMOVE CODE.