How do you check OBD1 codes on a Chevy?
To get the check engine codes to flash in your dash panel, use a jumper wire or a paper clip and connect terminals A and B of the diagnostic connector. Turn your ignition key on with engine off and the codes should start to blink. All codes should start with code 12 which is one long flash followed by 2 short flashes.
How do I check OBD1?
The diagnostic connector is located under the dash panel by the driver side. To get the check engine codes to flash in your dash panel, use a jumper wire or a paper clip and connect terminals A and B of the diagnostic connector. Turn your ignition key on with engine off and the codes should start to blink.
What year cars have OBD1?
OBD1 is a diagnostic system that only supports cars made before 1996. Introduced in 1991, it does not support all older models. The downside of these scanners is that they are manufacturer specific.
How do I get the code for my Chevy OBD1?
Can you read the OBD1 code on a GMC?
This connector is unique and applies to Pontiac, Chevrolet, GMC, Oldsmobile, Cadillac, and Buick, and more. The good thing with the OBD1 connector is that you can read your trouble codes at home without any diagnostic tools.
Is the OBD2 connector on a 94 car?
Even though it is an OBD2 connector, it has an OBD1 system behind it on these 94-95 cars. If you have a 94 or 95 car with the 16 pin connector, we sell 16 pin USB ALDL connector cables for it here.
Do you have to short connector for OBD1 code scanner?
With an OBD1 code scanner, you do not have to short the connector, and you do not have to count the flashes on the dashboard. You will get the problem in clear text on your device, and this is, of course, a great investment to make if you are reading a lot of trouble codes from older vehicles.
Where is the ALDL connector on a GM car?
This system is unique to the GM manufactured cars which include: Buick, Cadillac, Chevy, GMC, Oldsmobile and Pontiac. To start diagnostic trouble code gathering locate the ALDL (assembly line data link) connector which is located on the driver’s side lower part of the dash on most cases.