Gm Aldl Wiring Diagram

Gm Aldl Wiring Diagram Wiring Diagram

Figure 4: GM OBD-I ALDL connector. The GM 160 baud OBD-I ALDL interface was the first of two GM OBD-I interfaces and uses synchronous serial communication utilizing one data line. This interface and data protocol does not allow for two way commutation with the ECU. The ECU constantly outputs diagnostic data at a rate of 160 baud over one wire

There are basically 3 things you need to record diagnostic data from a GM based On Board Diagnostic 1 ( OBD1 ) system on your 1982 - 1995 era car. 1 - A PC computer, preferably a laptop, to collect, log, and analyze the OBD data. 2 - An ALDL cable to interface your PC computer to the ALDL OBDI diagnostic port on your car.

Generic TBI Fuel Injection Block Diagram & Acronyms Individual Components and Their Function connections for each component, and normal GM wiring color codes. GM has ALDL Diagnostics Connector, both of which control nothing, but provide information and means

Download Wiring Diagrams and Pinouts. Below is a list of GM wiring diagrams and pinouts I currently have available for download. Some of these are ADOBE Acrobat . pdf format files in a .zip compressed folder. You will need to unzip these files and open them with adobe reader.

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FAQ: How to read older GM codes for free. (ALDL) connector. How to read the codes. 1. Ground terminals A and B (see diagram below) with the ignition "ON" and engine not running. The system will enter the diagnostic mode. In this mode, the computer will display a Code 12, three consecutive

Gm Aldl Wiring Diagram Wiring Diagram
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