Under your cars dash you will most likely see this style connector: There are, but the 12 pin OBD1 connector shown above is the most common. You can make your own cable, but it is much quicker and less headache to buy one already assembled and tested. It may possibly be the only thing you will need to buy to do your own diagnostics. The ALDL Cable Let's look at the ALDL (Assembly Line Diagnostic Link) OBD1 interface cable first, since we sell low cost ALDL OBD1 interface cables. For many, it is quite interesting to be able to see your car's sensor systems working in real time, and even having the potential to upgrade performance through PROM reprogramming of your cars ECM/PCM (not for the beginner). With your own setup, if your Service Engine Soon ( SES ) light comes on you can look at detailed OBD data for yourself to see what trouble codes have been set and the conditions they were set under, possibly saving you money in repair costs by knowing what is or isn't wrong with your car. Why This Setup? What is the reason for having the above setup for yourself? Mainly, you now have a powerful tool to analyze your cars OBD data yourself, better even than the specialized scanning tools only dealerships and big shops had in the distant past. 3 - A software program running on your PC to capture the OBD data. 2 - An ALDL cable to interface your PC computer to the ALDL OBDI diagnostic port on your car. 1 - A PC computer, preferably a laptop, to collect, log, and analyze the OBD data. OBD Diagnostics Products: GM OBD1 Cables Low Cost ALDL OBD1 Cables - $59.95 12-Pin Version 16-Pin Version 3 Things Needed 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. An interpretation of the VN Holden Commodore's ALDL data. For later ECUs where software controls the ALDL. The above information was calculated with the aid of the DIACOM hardware and software program and an ALDL data.

It is currently compatible with both 160 baud and 8192 baud protocols.ĪLDL Information for the VN & VP Holden Commodore. ALDLdroid is an application for OBD1 GM (ALDL) ECMs. (If this step is missed, then OBD software is not going to work. It will then successfully work with OBD-I software (like award-winning TOAD) and your car. This article will guide you on how to install ALDL USB cable on your Windows system.

Aldl commodore software