Go to Tools … Preferences and select “Use Plug-in” for Interface type.Load a valid XDF / ADS-ADX combination for your vehicle.Start TunerPro RT with your cable plugged into your computer but unplugged from the vehicle.You will need to have TunerPro RT version 5.0 or later installed. Take a look at the USB troubleshooting guide if you have any questions or concerns here. Before you continue, you should have verified USB connectivity and you will need to know which COM port your cable is using. The first step towards determining if your ALDU1 is working correctly is to look at the USB side. Take a look at the OBD1 GM section of our online store here Test Procedure Pins 4 and 5 are connected to RJ45 pin 1.
This is the late model ALDL connector used in 1995: pin E and pin M are connected to RJ45 pin 3.This is the 86-94 original ALDL connector: In the event you need to build a custom cable, use the following pin outs for the RJ45 connector: It can be interfaced with many pieces of software, including TunerPro. The ALDU1 can be purchased by itself, or as a combo with either the CABL1 or CABL2.ĬABL1 is used for ~88-94 GM OBD1 vehicles with a rectangular ALDL connector like this:ĬABL2 is used only on 95 (and some late-year 94) vehicles that still speak ALDL but have the D shaped “OBD2-style” connector like this: The ALDU1 is compatible with the CABL1 and the CABL2, which are interface cables that connect to GM OBD I and OBD II vehicle respectively. The ALDU1 is a datalogger designed to work with OBD I GM vehicles.
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